Street Stocks

Competing Models – Competition is open to two types of cars (1) OSP Street Stocks and (2) Southern Outlaw Super Street Stocks
a. Competition is open to any rear wheel driven American made sedan automobiles with a minimum factory wheelbase of 108”. Camaros, Firebirds and Mustangs will be allowed to compete, but no other sports cars are legal for competition. Any car with a factory wheelbase of less than 110” must have make and model approved by the chief steward prior to competition.
b. Bodies: Only stock metal bodies or aftermarket bodies listed in this section allowed. Bodies are to retain stock appearance. Body mounting grommets may be removed. Front fender wells may be removed. Rear window panels may be removed. Support braces may be removed from the hood. A hole may be cut in the hood for breather. Original grill may be removed but screen wire or expanded metal must be installed to retain stock appearance. A dash panel may be installed for gauges.
1. Front firewall holes must be covered with sheet metal (no aluminum). Fuel cells are required, refer to safety rules for explanation. Sheet metal must be installed between the tank and track (no aluminum). Fuel cell cannot hang any lower than the frame rails. Rear floorboard and firewall may be removed but remaining floorboards and firewall must cover the driver area and be constructed to provide maximum protection.
2. Stock bumpers are required. No bracing allowed. Stock brackets and mounts may be welded. If stock bumpers are absolutely unavailable for a particular make of car, contact the chief steward to discuss options.
3. A radiator support bar may be run from roll cage through the front firewall and around the front for radiator support only. Two (2) support bars may run from loop down to frame behind radiator only. A support loop bar may run through rear firewall around fuel cell inside of trunk only. Support bars can be installed from main cage through rear firewall down to rear frame rails only.
4. A minimum of three (3) front windshield driver safety bars required.
5. Aftermarket stock appearing steel or aluminum body is allowed with stock appearing nose piece and rear bumper cover. Aftermarket nose and rear bumper covers allowed on stock bodies. The factory stock front floor pan must remain intact. The GM Sealed Crate Engine may be run with Chevrolet, Ford or Dodge body.
a) Performance Bodies and Five Star Bodies old or new allowed.
Aftermarket body dimensions are as follows (diagram in back)
Center front hub to tip of nose piece – Maximum of 45”
Top roof height – Minimum of 47”
Roof rake (front to back) – Maximum of 2”
Center of car width – Maximum of 74”
Rear of car width – Maximum of 72”
Center rear wheel to rear of quarter panel – Maximum of 50”
Window opening – Minimum of 13”
Rear deck height – Maximum of 37”
Roof Panels must match Body Style dimensions as described by aftermarket manufacturer.
6. No flat sided cars or flat roofs (must maintain creases and appear stock)
7. Must use front and rear template bumper covers
8. Roof must remain in the center of the race car
9. Any car with an aftermarket body must declare chassis (make, model and year) at the initial inspection and must follow all rules for that chassis with the only exception allowed being that of the aftermarket body.
10. Spoilers: Stock body with stock spoilers allowed. Aftermarket body cars or cars without a stock spoiler may add a spoiler to the rear deck within the dimensions of maximum length of 70”; maximum height of 6” and bracing allowed on each end. Bracing 6” x 18” maximum.
c. Suspension: Unitized frame may be connected together to complete full frame. Stock rear ends, stock 9” Ford or 9” Ford floater with any gear ratio. Front suspension must be strictly stock except for alterations specified below. Lower control arms may be changed within manufacturer’s line and must be stock appearing. Lower control arm mounting brackets must remain factory stock. Lower control arms must be same lengths and may use screw in ball joints. Tubular upper A-arms may be used and must bolt to stock arm mounts. Tires may not protrude outside body line more than 2”. Any spring, spacer or screw jack may be installed on front end in stock location. Stock A-frame bushings may be replaced with Teflon. Sway bars must be mounted in stock location and larger diameter bolts may be substituted for stock ones to attach to each end of sway bar to lower control arm in a stock manner. Any coil spring and adjustable screw jack or adjustable spacer on rear end with no lower spring pad modifications allowed other than tab welded to lower pad to hold spring in place. On rear leaf springs, rubber mount spacers may be replaced with steel plates (maximum 2” thick) and must be stock appearing. Rear leafs may be changed. Adjustable rear shackles allowed. Any stock or stock appearing shocks with rod bearing ends mounted in stock position are allowed, cars with screw jacks would be allowed to have out board mounted shocks. Stock brackets required. No gas, coil overs or adjustable shocks allowed. Fords that do not come with front sub-frame may mount an alternate track approved Ford sub-frame under front of car in stock manner (no interchanging/mixing of suspension parts). May add square channel or tubing from rear frame to full frame under rear end to support rear clip.
d. Brakes: Stock master cylinder or aftermarket dual master cylinder with stock brakes. Brake bias adjusters allowed. After market pedals allowed.
Will use following 2014 Southern Outlaw Super Street Series rules:
a. Bodies: Any American made 1960 or newer production sedan or sport coupe.
1. Must have firewall and floorboard to rear of driver’s seat. Full Firewall – fender to fender – May be fabricated.
2. Full floorboard under driver past rear of seat – May be fabricated.
3. Car may have drivers compartment boxed.
4. Uni-bodies may be tied together.
5. No sharp edges.
6. Aftermarket noses permitted. No late model style sloping noses such as MD3 or Dominator.
7. Must have bars in front of driver.
8. Must have tow hooks on front and rear.
9. Aftermarket steel and/or aluminum bodies OK.
10. Rear of car may be open.
11. May run skirts. Skirts must be same width entire length, for example on rear quarter panel skirt must taper upward same as quarter panel.
12. Rear spoiler 6″ Maximum.
b. Suspension:
1. Minimum 101” wheelbase, must match chassis, example Camaro snout 108” plus or minus 1”.
2. Front snout must remain completely factory stock at all suspension mounting points except where otherwise noted. No cutting and widening of front snout, must be factory width. Snout may be cut and notched for clearance. Snout must match rear suspension, Camaro snout-leaf spring rear, metric snout-metric rear. Rear clip suspension mounting must be in stock location, may reinforce rail with tubing to rear bumper both thru and under frame.
3. Rear jigged square tube chassis will be legal, must have stock front snout. Car must measure correct wheelbase for type chassis used, example leaf spring-Camaro, metric-Monte Carlo. Rear leaf cars cannot splay more than 2 inches outside of factory specs. Metric cars allowed adjustable upper arms for pinion angle adjustment and screw jacks, all else must be stock type and stock length measurement from front snout. NO ROUND TUBE CHASSIS CARS.
4. May relocate top A-frames. Top A-frames may be tube. Control arms cannot be swapped from manufacturer to manufacturer. (Ford to Chevy etc.)
5. May run heims and swedged tube tie rods. Stock type aftermarket center link ok.
6. Screw jacks ok.
7. Changing of springs OK. Coil for Coil, Leaf for Leaf. No composite material leaf springs.
8. May run adjustable screw buckets, rear shackles and lowering blocks.
9. No wide 5 hubs or spindles – adapters ok.
10. Sliders can replace shackles at rear of leaf only, No sliders on axle mount. Chrysler springs NOT allowed. Stock Camaro spring dimensions will be checked. Damper shock legal on top of rear.
11. Sway bars and lowering blocks optional.
12. Any shock, any location EXCEPT: NO coil over shocks. No remote adjust shocks. NO canister shocks. Front or rear shocks do not have to be in stock location. There is a $150 per shock claim rule. Only cars finishing in top three at an event are eligible to have their shocks claimed and you must finish behind the car that you are claiming shocks from. You must claim all 4 shocks. Coil spring cars may run jack bolts in rear.
13. Offset chassis. Weight penalty 50 lbs. Must be mounted on right side of car in line with driver.
14. May run one 90/10 shock – upper rear.
15. Drive shafts can be steel or aluminum only. Must be painted white.
16. Leaf spring rear – No bar systems.
c. Brakes:
1. May run brake adjuster, front to rear bian. Rear disc brakes okay.
2. Any OEM factory brakes or OEM replacement. Calipers must be single piston. All cars must have 4 wheel brakes.
d. Transmissions:
1. Stock type. No aftermarket. Lighten gears permitted. Must have working forward and reverse. Gears must be in stock location.
2. Automatic transmissions must have working torque converter, and working forward and reverse.
3. No direct drive trans – 3 or 4 speed ok – No Super T-10-2 Transmissions, standard T- 10 legal.
e. Rear-end:
1. Changing or rear-ends, gears, ratios and locking OK.
2. No wide 5 hubs. Wide 5 adapters & wheels OK.
3. No quick change – May run 9: Ford, Floater OK.
4. No aluminum parts in rear end.
a. Wheels: Any steel wheel not exceeding eight (8) inches in width will be allowed for competition. Stock wheel studs may be replaced with larger ones for safety on all wheels.
b. Tires: Only standard rain tread DOT tires will be allowed for competition. High performance, soft compound, directional tires will not be permitted. Maximum size is 275-60. Tire softeners and heaters will not be allowed. Minimum durometer reading is 65 (the track durometer is the official durometer). Tires may be impounded by OSP officials and checked. Tire manufactures markings may not be ground off tire. No grooving or siping allowed.
c. All drivers must use a “RaceCeiver”. This will allow the control tower officials to communicate with each driver. The “RaceCeiver” is available for purchase from OSP.
d. The absence of a specific rule does not imply approval, consent or permission regarding that subject. Any questions or doubts regarding such matters should be directed to speedway officials for a clarification.
e. Any further definitions or interpretations of the rules will be made by the Oglethorpe Speedway Park officials only.
f. Safety regulations are listed under “Safety” at the front of this book.
g. Transmission: Any standard factory three or four speed transmission may be used in place of factory automatic. Automatic transmission coolers allowed, but must be mounted and concealed under the hood. Transmission must be stock, having all working forward and reverse gears. No racing transmissions allowed.
h. All cars must use non-high performance, non-special order, stock or stock replacement steel clutch assembly. No ceramic, ceramic button or high-performance clutch plates, disks or parts. Clutch assembly includes: flywheel, clutch, pressure plate and release-fork. Minimum flywheel weight is fifteen (15) pounds. Aftermarket hydraulic clutch slave cylinder, aftermarket hydraulic throw-out bearing and clutch pedal assembly allowed. Steel scatter shield bell housings allowed and recommended for safety.
There are four (4) different types of engines allowed: (a) GM Factory Sealed Engine; (b) GM Authorized Sealed Crate Engine; (c) OSP Built Engine; (d) Southern Outlaw Super Street Engine.
a. GM Factory Sealed Engine
1. The only GM Factory sealed crate engine allowed to compete within the Street Stock division will be the GM Performance 350-HO Factory Stock Sealed Crate Engine (GM part number P/N 88958602). The GM Factory Sealed Crate Engine may be run with Chevrolet, Ford or Dodge bodies.
2. Seals must remain intact on new engines and not be tampered with prior to competition at OSP. The penalty for anyone tampering or modifying any internal engine parts, changing the parts from stock as delivered sealed from the factory will be subject to expulsion from racing at OSP the remainder of the season and future seasons.
3. No changes are allowed to the engine manifold or other exterior components (polishing, machine work, etc.). All engine parts must remain stock as they came from the factory. Engines must remain stock as they were delivered from GM, no changes to the rocker arms, harmonic balancer, etc. Any modifications will result in the engine being declared illegal for usage at OSP. The penalty for anyone tampering or modifying any internal engine parts, changing the parts from stock as delivered sealed from the factory will be subject to expulsion from racing at OSP the remainder of the season and future seasons.
4. The only carburetor allowed on GM Factory Sealed Crate Engine is the Holley 650HP, model number 80541-1. 1” Aluminum spacer allowed. Carburetor must be stock out of the box with the only changes allowed to be the power valve and jets. A one piece open hole paper gasket (maximum 0.065 inch thick) that matches the exterior dimensions of the carburetor throttle base plate must be installed between the carburetor and the intake manifold with no air leaks.
5. GM Factory Sealed Crate Engine maximum cylinder compression is 155 p.s.i. with engine hot, plus or minus 5. Engine compression will be checked at Chief Steward’s discretion. Track gauge is the official gauge.
6. GM Factory Sealed Crate Engine Claim Rule
a. Oglethorpe Speedway Park or any driver finishing on the lead lap of the feature race may claim another driver’s crate engine (GM P/N88958602) for the current retail price including tax, plus an additional $250.
b. Refusal to accept the claim will result in immediate disqualification of the claimee for the event.
c. A driver must have competed at the track the previous three race events to be eligible to claim another driver’s engine.
d. The chief steward has the right to refuse any claim. OSP will not allow the claim rule to be abused.
7. A rev-limiter is optional. The only rev-limiter allowed is the MSD Soft Touch Control (part number 8728). No exceptions.
b. GM Authorized Sealed Crate Engine
1. All GM Authorized Sealed 602 crate engines must meet the original blueprint specifications using original or replacement GM parts as described in the GM Performance Parts Crate Engine Technical Manual – part number 889958668.
2. OSP at its discretion will use all necessary means to determine the legality of a GM Authorized Sealed crate engine.
3. All crate engines must have GM Factory seals of GM Authorized seals to compete.
c. OSP Built Engine
1. Must be mounted in stock location, cannot be lowered or set back in car. Solid mounts allowed. No internal engine coatings/painting allowed.
2. Engines are to be strictly stock except for specified alterations. No high performance parts. Oil returns may be screened only. Engines may be balanced. Lightening of components is not allowed. Crankshaft counterweights may be drilled for balancing only. No knife-edged or polishing of crankshafts allowed. Rod ends may be drilled for balancing only. Engine size must match car make and model with the exception to some Ford and Chrysler cars. Fords which are eligible to run 351 c.i. engines may run “Windsor” or “Cleveland” (no interchanging of parts).
3. Engines are allowed .060 overbore plus wear. Piston deck clearance is .005 minimum.
4. Any flat top piston/wristpins allowed. No pop-tops allowed. Hole may be drilled at the end of the rod for wristpin lubrication. Bushing allowed at the end of rod. Any rod bolt allowed. No other work allowed on rods other than what is specified. Stock rods only.
5. Maximum cylinder compression is 185 p.s.i. with the engine hot. Engine compression will be checked at the chief steward’s discretion and the track gauge is the official gauge.
6. Heads must be factory stock steel production only. Combustion chamber size for all heads is 68cc minimum. Small block head valve sizes must not exceed 1.94 and 1.50. Any (single coil with dampener) stock diameter spring that will fit in unaltered pocket with steel retainer only is allowed. GM casting numbers NOT ALLOWED are: 3782461; 3891462; 3932386; 3947041; 3973487; 3928494; 3890462. Vortex heads not allowed. Aftermarket hex type screw in studs allowed, maximum 3/8”. Long slotted rocker arms with poly-lock nuts allowed. Heads must remain as manufactured with no porting, polishing or machine work allowed. Stock ratio rocker arms only. A maximum of three (3) angle valve jobs are permitted. When cutting the valve seat angles, no stone or grinding marks are permitted above the bottom of the valve guide. All cutting in reference to the valve job and bowl area must be centered off the centerline of the valve guide. No radius cuts permitted. Upon completion of the valve job, the bowl area under the valve seat down to the bottom of the valve guide must still be in the same configuration as far as shape and finish as it was from the manufacturer. Surfaces and/or edges where the cutter or stone has touched must not be polished or ground. No hand grinding or polishing is permitted on any part of the head. Heads with factory cc of less than 68 cannot be altered or modified in any way to raise combustion chamber cc to legal size. Note: Because of availability problems, Chrysler heads with combustion size less than 68cc may require a track approved modification to bring chamber size up to 68cc. All Chrysler heads must be pre-approved and registered with the track officials. It is illegal to angle mill heads. The maximum valve sizes as measured across the face of the valve are as follows:
GM Small Block Intake – 1.94 Exhaust – 1.50
Ford “Cleveland” Intake – 2.19 Exhaust – 1.71
Ford “Windsor” Intake – 1.852 Exhaust – 1.548
Chrysler Intake – 2.020 Exhaust – 1.60
7. Intake manifolds must be stock steel production quadrajet type only. No high performance or marine application allowed. Must remain as manufactured with no porting, polishing or port matching allowed.
8. Headers allowed. 180 degree headers are not allowed.
9. Any hydraulic lift camshaft allowed. No solid, roller, mushroom cams or lifters allowed. Longer pushrods allowed. Hydraulic lifters must be all steel (NO ceramic or ceramic buttons). Any stock diameter hydraulic lifter which meets test criteria listed below is allowed.
Test #1 – When engine is running and valve cover off, rocker arm at zero lash is screwed one full turn. Engine must start skipping on that cylinder momentarily then level off.
Test #2 – Warm engine is shut off and valve cover removed. It must be observed that hydraulic lifters start bleeding off and rocker arms start leveling off.
10. Any valve cover, oil pan, reduction starter, electric engine fan or radiator allowed as long as they are safely concealed under the hood. Adapters, substacks, velocity stacks or any other air directional devices are not allowed. Standard round breather elements and cans only. Front half of breather element may be shielded with sheet metal.
11. On the OSP Built Engines only, any stock four (4) barrel carburetor may be used with an aluminum adapter of one inch (1”) maximum height. Holley carburetors may not exceed 750 CFM. The only Holley 750 CFM carb that is eligible for competition is the Model 4160, series 3310 with a throttle bore 1-11/16”. The Holley 3310 may have stock rear replacement metering block installed so jets may be changed. Optional removal of choke butterflies and shafts, changing of jets, power valves, squirters and accelerator pump cam only. Vacuum operated secondary required. No devices allowed to assist vacuum opening of secondary throttle plates. Double pumpers, “Fuel Cats” or any other fuel regulatory systems are not allowed.
12. Stock ignition only. No aftermarket distributors or coils.
d. Southern Outlaw Super Street Engine
1. Must meet following requirements of the 2014 Southern Outlaw Super Street Engine rules:
a. 362 ci maximum
b. GM 602 crate motor is legal crate motor, must have seals in place.
c. Built motor rules are as follows:
1. Must have factory stock block for make and model. No Big Blocks
2. Engine must sit in stock location. (1/2″ tolerance) 50 Lbs. per full inch, engine is set back, mounted in front of engine. 1″ = 50 lbs., 2″ = 100 lbs., Max. 2″ allowed. See engine set back diagram on web site.
3. High Performance engine parts limited to items listed in each component section.
4. NO porting and polishing.
5. Hydraulic cam and lifters only. NO 4/7 cross fire cams.
6. Anti-pump-up lifters OK. .000″ valve lash. NO oversize lifters.
7. Headers allowed.
8. Any flat-top piston. Dish pistons ok.
9. Bore .060″ plus .010 for wear.
10. No coating of engine parts, except pistons.
d. Rods: OEM 5.7 rods with 3/8 rod bolts or sir eagle stock replacement rods. Pins may be floated. Polishing of beams ok. May run scat with 3/8 bolt or cap screw.
e. Crankshaft:
1. Steel crank must weigh 49 lbs. Cast crank must weigh 49 lbs.
2. Must be stock stroke 3.48, plus or minus .005, no tolerance.
3. NO knife edging. Balancing ok.
4. May run eagle or scat. Must be run as produced from factory. Counter weights must not be windage cut when balancing, angles cannot be altered in any way.
5. All cranks will be weighed with pilot bushing, gear, bolt & washer.
6. Must run SFI approved balancer. (Safety)
7. True roller timing chain & gears OK. NO gear drives or belt drives.
8. No dry sumps.
f. Intake:
1. Stock Quadrajet or old-style Holley cast iron.
2. NO porting or polishing.
Chevy#EDL7101 Chevy # SUM226014
Ford#EDL7181 Ford# SUM226036
Dodge#EDL7176 Dodge#SUM226044
g. Heads:
1. NO vortec, bow-tie, or angle-plug. Angle-Mill heads OK
2. May use 300 hp 461, (461X NOT LEGAL) 462 or any stock production head. 492 with 1.94 and 1.50 valves and 165cc intake runner and 65cc exhaust runner only 492 legal.
3. Valve size 1.94 and 1.50. Three-angle valve job OK.
4. NO race flow valves Max. Valve stem step down .010
5. Stock type valve springs. NO double springs. Steel only. Screw-in studs and guide plates OK. Stud girdles OK.
6. No beehive springs allowed. Valve retainers and locks must be steel only, no titanium.
7. NO roller rockers. 1.5 roller tip OK.
8. Engine Quest part #350i heads. NO cc rule with 1.94 & 1.50 valves. Runners must meet factory specs.
9. RHS Head # 12402 60 CC Min. Must meet manufacture specs.
10. May use World product SR Torque head with 2.02 and 1.60 valves, must be 60cc’s.
11. World product part # 4361 heads. NO cc rule with 1.94 & 1.50 valves. Runners must meet factory specs.
12. FORD:
a. 351C 4 barrel head 2.190 intake 1.710 exhaust
b. Intake Part# EDL 2265
c. Cast iron heads only. 302,351C and 351W
d. World product Winsor Jr.180- 1.94 intake 1.60 exhaust, NO cc rule.
e. World product Sr 200 must be 60 cc.
f. (GT 40 , GT40P 1.94 intake 1.60 exhaust No cc rule) Stock rods and crank. Stock crank must weigh 49lbs. May run scat 4351W3500600 crank. Must weigh 53 lbs. May run scat rods SCR6A. Any flat top forged piston. Any I beam rod not to exceed Stock rod length.
13. All Heads must have straight stem valves. NO pro-flow or race flow or undercut valve stems. .010″ max stem. No cut marks lower than one (1) inch below seat. Intake and exhaust runners must maintain stock cc for head.
h. Carburetor:
1. Quadrajet, 4412 two-barrel, 1850 or 3310 Holley. NO porting or polishing. May remove choke butterfly. Metering block may be added to rear of 1850 and 3310. Must have stock air horn. Base plate must meet stock Holley specs. Stock 172 or stainless with same thickness butterfly with uncut brass screws. Carb. adapter 1 inch maximum. Maximum carb. spacer 1 inch. CANNOT run both adapter and spacer. Max.1.35 inch for spacer and two gaskets. NO HP series carbs. on series engines. Carbs MUST pass GO-NO-GO gauge test. Minor infractions may be adjusted by weight penalty.
2. Carbs: Must pass stock Holley spec. for base plate
3. Crate 602 engine may run any 4 barrel carb. ONLY One (1) inch spacer allowed on this engine. Two gaskets max. 0.070 inch thick. Weight penalty may be imposed for minor infractions.
i. Ignition:
1. OEM or single point distributor. Stock type H.E.I. OK. (MSD,DUI, etc.) NO MSD box. NO cross fire caps.
j. Clutch:
1. Any steel flywheel, must weigh 14 lbs. Stock-type clutch assembly minimum 10″ no lightweight. No aluminum parts. Clutch & pressure plate must weigh 16 lbs. NO triple disk clutch. Solid disc or spring disc ok.
2. Must meet following requirements of the 2014 Southern Outlaw Super Street Engine rules with the following exceptions:
a. Southern Outlaw Super Street Engine not allowed in OSP Street Stock cars.
b. No triple disc clutch with crate engine.
c. The only carburetor allowed on GM Factory Sealed Crate Engine is the Holley 650HP, model number 80541-1.
d. Must run DOT tires and 8” wheels.
a. All weights after race with driver:































b.    All weights will be made on Oglethorpe Speedway Park scales and will be with the driver.  Engine size and weight must be displayed on the top of right front fender.

c.    In order to keep parity in racing, the track officials reserve the right to modify the weight rule as the season unfolds.  All decisions to change the weight rule will be presented in writing two weeks prior to any change.

Street Stock Specs


southern outlaw

A.   Nose length: 45” from center of front hub to farthest point on nose

B.   Point where nose rake can begin: 6” from center of front hub to break start point

C.   Side window opening – minimum: 13”

D.   Door width – maximum: 28”. Break must be at least 14” from bottom of door, must be clearly visible. Bottom of doors must taper inward, 72” max width.

E.   Sail panel width – maximum- at bottom: 31.  Sail panels must match side to side and taper inward at top, NO arch in sails, must be flat.

F.    Rear length: 50” from center of rear hub to base of spoiler.

G.   Quarter panels 26” max. in front, 22” max. in rear. Quarter must taper upward 4” min. front to rear. Quarters must have a break at least 12” from bottom behind tire.

H.   Maximum body width in center section: 72”

I.      Maximum width at rear spoiler: 70”

J.    Minimum roof width: 48”. Roof must arch front to back.

 §  Rear spoiler dimensions: 6” x 70” Maximum

§  Side spoiler dimensions: 6: x 18” Maximum – Max. 3 side spoilers, must match see diagram.

§  Quarter panels must match side to side

§  Side of car must not rise from cowl to spoiler; deck may drop down in center area not to exceed 2.5” of drop, maximum of 2.5” high windshield/deflector.

§  Fender flares must tuck into fender and have no risers, be no wider than outside of front tires with tires straight forward.

§  No altering of nose pieces across top, must be original

§  Top of rear quarters and deck must be same height, no dropping deck below quarters at spoiler

§  Fenders cannot arch upward from cowl forward