A group of people have proposed a Street Stock AKA "Bolt On" Class for the LTX Shootout which is scheduled for Sept 3 2011 in Bowling Green, KY. This class was created with the budget racer in mind. This class is almost reality but it's not to late to submit your opinions about rules, so if you're serious about registering and racing in this class please submit you're setup.

This is your chance to help get rules that fit as many cars as possible. Please give as many details about the car you plan to bring.

Include:

1. Drivetrain modifications.

2. Interior modifications.

3. Exterior modifications.

4. Exhaust Setup

5. Race weight.

These rules have been submitted as a rough draft starting point:

Any non-internal engine modification is allowed. Any part that touches engine oil other than roller rockers is not allowed to be replaced. No aftermarket or modified intake manifolds. Aftermarket or ported throttle-bodies are permitted. Exhaust modifications permitted however exhaust must exit behind rear axle, NO open exhaust or “straight pipes” allowed. Engine must retain MAF sensor as well as Optispark, after market MAF’s and Optisparks are permitted. Absolutely NO camshaft/valve train modifications are permitted other than Roller Rockers. Engine must also retain stock compression ratio, vehicles subject to compression tests. All vehicles are subject to a possible vacuum test. Winning vehicle is also subject to a tear down at request if proper evidence is present of internal engine modifications. Stock transmissions are permitted along with rebuilt transmissions and stall converters. No TH350, TH400, Powerglide, etc. vehicle must have either 4L60E or T-56 transmission ONLY. Aftermarket rear ends permitted as well as stock style replacement suspension. Vehicle must retain stock width axles, no tubing/mini-tubing allowed. No slicks allowed only DOT approved radial tires, no Bias-Ply tires allowed on rear of vehicle. Minimum weight of 3330lbs with driver. Vehicle must have a valid registration as well as plates. Vehicle must retain stock window glass on front and side windows as well as a passenger’s seat. Rear seat delete is permitted.

-Dustin-

 

It's a street stock class, why would you not have a back seat ? Why would you allow headers and not be able to run them open, and last most curb weights are in the 3500- 3700 # range, so why a 3330 # with driver ? The race weight should be 3500# or the average weight of everyone in the class. The guy with 3700# convertible doesn't have a chance to the guy with no back seat. Make it fair.

 

Suggestions is what we are looking for, no back seat doesn't make sense to me either, 3500lb min weight is probably a good place for most true street cars, AKA it'll keep the low 11 bolt on cars in the pits.

I think lot's of folks run headers on the street, but most can agree open headers isn't exactly "street".

This is basically a bolt on class with street style rules to level the playing field for folks on a budget.

-Dustin-

 

is it gonna be a heads up or bracket style bolt on class.

 

Heads up race, AKA the fastest car wins! However there are bracket classes too.

-Dustin-

 

how big of a group have signed up so far for this class... or should i say how small? lol. if i end up holdin off w/my plans on the car that long ill prolly giv it a shot and enter this class. ill prolly be the slowest but atleast i could make everyone else feel better.

 

No one has signed up yet because the class doesn't really exist until the rules are finalized. This class is designed so the average bolt on guy can out have fun and be competitive.

Hope to see you there.

-Dustin-

 

any news on yet on whether this class is gonna happen?

 

I think a "stock bottom end, street N/A" class would be a cool class, because so many cars fall into this category.

Rules could be:

Stock heads required (porting permitted)
Stock intake manifold only (porting permitted)
Stock rods, rod bolts, pistons and block
4L60e or T-56 only
Muffler required but single cutout permitted
Minimum 3500 lbs
Hydraulic Roller setups only
Stock Style suspension
No electronics or power adders
Drag Radials permitted

There seem to be far more cars that would fit this mold than there are in any of the classes above it.

 

Lloyd Elliot ports heads, so someone could technically run his ported heads? Who is to say who ported those heads? And who is to say which ported heads can be run and whose can't. So it needs to remain black and white on heads. Heads, other than rockers and springs, should be untouched.

But I think the stock ported LT1 Intake manifold should be allowed.

 

Extreme N/A is the class you're going to end up in with ported "stock" heads and intake manifolds. Street stock is basically a "bolt on" only class. The rules are quite specific and listed below.

Here are the Classes and Rules:

http://www.ltxshootout.com/classes/

LTX Street Stock

• Limited to quickest 16 qualifiers
• Sponsor: TBD
• Payout: TBD

Designed to be an entry level class, LTX Street Stock will be run heads-up on a .400 pro tree utilizing a pro ladder (1 runs 16, 2 runs 15, etc.). This is a “stock internals” class where all cars will have to pass a pre-race inspection including a vacuum test. Any entry that fails inspection prior to the race will be permitted to run in other classes at the shootout. The winner may have to submit to a second inspection. A tear down rule is in place, but will only be enforced in extreme circumstances. It is the responsibility of the entrant to present a class legal car to tech. If you don’t see it here it probably isn’t legal. Please ask before making modifications that are not clearly listed. All entries run at the discretion of the technical committee.

Permitted Platforms & Weights
Minimum weights include the driver. NHRA rules for ballast apply. Minimum 100 lbs removable weight including weight box. Any loose ballast will result in disqualification.

* L99 – minimum race weight 3200 lbs, Automatic only.
* LT1 – minimum race weight 3350 lbs, Manual or automatic.
* LT4 – minimum race weight 3450 lbs, Manual only.

Body
Open to third and fourth generation F-Bodies and factory LTX equipped Corvettes. GM LTX conversions will be considered on a case to case basis. All requests must be submitted in writing and must include as much detail as possible. The body must be stock for the year and model claimed. Aftermarket replacement body panels are limited to the hood only. No fender well or wheel tub modifications permitted.

Brakes
Must be OEM complete and functional. OEM upgrades allowed (LS1, C5, etc.). Line lock accepted on front brakes only. No aftermarket race brakes allowed. ABS may be removed. Factory drum brakes permitted in the rear.

Interior
OEM dash required. Carpet and interior panels required forward of the package shelf. Must have headliner and sun visors. Must have instrument panel, vents, heater controls, etc. Radio may be replaced with a delete plate. Two matching front seats required. Must be securely bolted down. Aftermarket seats are permitted. Rear seats may be removed. Head rests mandatory.

Exterior, Windows, Wheels & Tires
All stock glass needs to be in place. Windows must be operative, but closed during competition. No lexan, etc. allowed. Bumper supports and energy absorbing materials may be removed, but this practice is not recommended. All mirrors for body style claimed must be present. Any automotive wheels permitted. Minimum diameter 14 inches. Any DOT legal rear tire allowed that fits within the stock un-altered wheel opening. May not stick out past the fender. No slicks. Front tires must have a minimum tread width of 4.5 inches.

Ignition, Electrical & HVAC
Must be equipped with a fully operational Opti-Spark distributor. Stock style aftermarket replacements allowed (MSD, Accell, etc.). Aftermarket ignition box allowed. Two-steps not permitted. Heat and air conditioning may be removed. All holes must be properly covered. OEM alternator must be in place and functional at all times. No loose belt, etc. No mini alternators allowed. Battery must be of sufficient capacity to start the car at all times. Rear mounted batteries need to be mounted and vented per NHRA regulations, including a functional disconnect switch.

Drive Train
Steel or aluminum only. Driveshaft safety loop required on all entries. Any automotive rear axle allowed. Aftermarket axles and C-clip eliminators required in any replacement housing. Recommended in all entries.

* Automatic Transmission: 4L60E or 700R4 only. Modifications limited to shift kit, pan, and cooler. Any stall converter. No trans brakes allowed.
* Manual Transmission: T-56 only.

Engine
Stock LT1, LT4, or L99 only. Modifications limited to roller rockers and any stock diameter valve spring. Guide plates allowed with non-self-aligning rockers. Stock rebuilds permitted, but must retain stock bore and stroke. Minimum deck height is .015 inch. Stock head gaskets required for the engine claimed. OEM hydraulic lifters required. Modified or “limited travel” lifters not allowed. All internals including, but not limited to pistons, rods, crank, valves, cam, heads, block, etc. must be correct for engine claimed. Cylinder head modifications limited to a stock valve job. Heads must hold NHRA published volumes. In addition, any replaced head gaskets or other engine work must be reported on the tech sheet. Failure to do so could result in disqualification from the event. The LT4 is restricted to stock rockers and springs. Stock un-ported manifold required. Manifold may be modified at the front openings for larger than stock throttle body. Edelbrock LT1 specific intake may be used. Full size stock radiator mandatory for body type used. OEM replacements may be aluminum. Minimum one quart overflow required. Air cleaner is optional. Direct replacement electric water pump allowed.

Exhaust System
Stock manifolds may be replaced with tubular headers. Mufflers are required. A single cut-out is allowed in vehicles equipped with a factory style exhaust with the muffler behind the rear axle. True duals permitted, but must run through mufflers at all times. All exhausts must exit behind the front seats.

Suspension & Chassis

* Front Suspension: Direct replacement aftermarket A-arms permitted. Stock type drag shocks allowed. Must be in stock location. Sway bar may be removed.
* Rear Suspension: RearBolt-in aftermarket components allowed. Stock style replacement sway bar allowed. No wheelie bars or coil over shocks allowed. Aftermarket torque arms permitted. Front mount of torque arm may be relocated. NHRA legal bolt-in traction bars allowed (Pete-Z, etc.).
* Chassis: Tubular bolt-in replacement K-member permitted. Sub frame connectors permitted. Rollbars are optional.
* Steering: OEM steering required. Power steering pump may be removed or bypassed.

Fuel, Fuel Injection & Fuel System
Gasoline only. E85 not permitted. Stock GM computer required. Any size injector allowed. Any size throttle body allowed. All entries must have the stock gas tank. Fuel pump upgrades allowed. Adjustable fuel regulators allowed (Must be mounted per NHRA regulations).

Power Adders
No nitrous or other power-adder equipment will be allowed on the vehicle.

Safety
SN 90 or newer helmet required. Protective clothing recommended. Long pants and closed shoes mandatory for all drivers. In addition to the class requirements all entries must meet track/NHRA requirements for the ET run. The removal of OEM safety equipment is not recommended. Seat belts required and may be upgraded. If the entry has a roll bar a dated aftermarket harness installed per NHRA regulations is required.

Street Equipment
Required. All entries must have functional lights, horn, turn signals, and wipers minimum. Cruise, fog lights, radio, etc. may be removed.

-Dustin-

 

under the "body" section it says only an aftermarket hood is allowed, would that mean that if i have a ss spoiler this would disqualify my car

 

I think that's doubtful, it's not a weight saving mod and it came factory on F-bodies... PM fast93z if you're worried, but again I'd say you're good to go.

-Dustin-

 

thanks.

 

I'd imagine it is more to prevent people from tubbing the rears and running huge tires...

Not that you would need that much tire in a bolt-on class, but you have to be clear and specific with something like this.