Reply With QuoteI think these are workable for sure. The only thing that I dont like is the weight, but I dont think its a bad idea because it seems like they a shooting for more "stock" type cars.
They posted the final rules today for the class, anyone planning on running with them? Here's the rules.
Ultimate Street
(Final Rules 6-16-09)
Class Description
Ultimate Street is a heads-up class designed for any passenger vehicle from any major manufacturer. Ultimate street cars may be powered by small blocks only and are limited to a maximum cubic inch limit of 440 cubic inches. Power adders are limited to a single nitrous plate utilizing one nitrous solenoid, one fuel solenoid and one purge solenoid ONLY. Turbos and superchargers are not allowed. No alcohol or nitro allowed. Purge must be redundant inline with nitrous supply line with only one supply line.
Body
Fiberglass / Carbon body panels are limited to hood, rear deck lid, and bumpers. Cowl hoods may not be taller than the half-way point of the windshield. Forward facing hood scoops are prohibited unless equipped from the factory, in which case the factory hood must be utilized. Front and rear spoilers & wings are allowed. Sheet metal / “Pro Stock” style wings are prohibited. No full fiberglass / carbon bodies allowed unless equipped from the factory. Stock firewall must be retained in the stock location. Firewall may be notched for clearance and/or smoothed for appearance. All entries must have operational headlights and taillights and must retain the stock grill. Full factory floor pans are required but may be notched for roll bars, sub frames, etc. Stock core support and inner fender wells are required but may be notched for clearance.
Interior
All cars are required to have a stock dash and dash pad, steering column, door panels, and carpet. The rear seat may be removed but area must be upholstered. Dash may be notched for roll bar clearance. Factory glass is required. NO LEXAN. Exception: Trucks may replace rear window with lexan to allow for roll bar. Nitrous bottles are allowed in the passenger area but must be properly vented to the outside of the car. Bottle must be securely mounted using proper bottle mounts.
Electrical
Optical devices are prohibited. Progressive nitrous controllers are allowed. All progressive equipped entries are required to utilize a maximum 275 DOT Approved Radial and must use a single spray bar plate only. No Diffuser or Annular style plates are allowed in conjunction with a progressive controller. Any progressive equipped car using a crossbar style plate must have one nitrous and one fuel spray bar capped off at the plate.
Engine
After Market blocks and cylinder heads are allowed. Sheet metal intakes are prohibited. Intakes must be cast. Entries may utilize a single carburettor only. Motor plates and solid mounts are allowed. Engine must be in the stock location. Mufflers are required on all vehicles. Entries must utilize a single nitrous plate with one Nitrous, one Fuel, and one Redundant Purge solenoid. Foggers but must disconnected and ALL solenoids must be capped off. Turbochargers and superchargers are not allowed. Nitrous plates using fogger nozzles are not allowed. All Ultimate street entries are required to use an engine diaper.
Transmission
Any OEM style automatic or OEM manual transmission is allowed. Manual transmission must utilize an SFI approved bell-housing.
Rear Suspension
Stock type rear suspension only. Stock rear frame rails must remain intact. Minor notching of frame rails is allowed for tire clearance. Bolt on traction devices only. Coil over shocks are allowed. Aftermarket, factory length torque arms are allowed if equipped from the factory. Aftermarket replacement control arms are allowed. Rear control arm mounting points must remain in stock location on the stock frame rail. Mini tubs are permitted. Electric shocks are prohibited.
Wheels / Tires
A maximum of a 28 x 10.5 Non-W slick or 275 Radial may be used. Wheel width is limited to 12”.
Weights
Base Weight – 3200 lbs.
All heads 14.9 and under – 3250 lbs.
Any canted valve head – 3300 lbs.
All heads 15 degrees and above carry no additional weight.
Any 23 Degree combo - 3100 lbs.
Sponsorship Decals & Lettering
Decals and lettering is restricted to windows, quarter panel’s front bumper and front hood scoop. All cars are required to have identifying number posted on front and rear windows.
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5.43@128
1.26 60 ft
I think these are workable for sure. The only thing that I dont like is the weight, but I dont think its a bad idea because it seems like they a shooting for more "stock" type cars.
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intersting that cross bar platea and diffusers are allowed with slick and no progressive, should be interesting. I hope some of the Real Street guys decide to play
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"..a true hotrodder would'nt be content untill he had created a car so violent, so totally sick that the act of dropping the hammer would result in instant death. Anything less results in the need to go faster. " Tony DeFeo
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Won't run that show.
Cu.in. limit.
No lexan front & rear to try and make weight (safety).
Has to have inner front wheelwells.
Oh well guess I'll save the gas money. :(
Well I quess we have another class to play in count us in
Last edited by The Joker; 06-23-2009 at 09:44 AM.
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Sheet metal / “Pro Stock” style wings are prohibited.
Keeps us out. Too bad, cause I don't think there is any performance advantage having one.
Joe
FordSpeed Racing
9.78 @ 136.05
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I agree, especially in 1/8 mile. Can't you remove the wing just for these races, or is that a PITA?
These rules look very similar now to the current ORSCA Modified Street Rules. Radials can use a progressive with only a single cross-bar plate. Slicks can use a double cross-bar plate but no progressive.
Originally Posted by T/S #25
why don't you guys juts take them off then ?? serious question. if you feel there is no advantage why have it, you are only going 130 or just a little more in the 1/8th ?
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"..a true hotrodder would'nt be content untill he had created a car so violent, so totally sick that the act of dropping the hammer would result in instant death. Anything less results in the need to go faster. " Tony DeFeo
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For the most part, the sheet metal wings are attached with fixed fasteners to the deck lid and would have to be drilled out for the wing to be removed and then re-installed at a later date. I agree, they really serve no purpose in the 1/8th mile format so why is it such an issue to have them on the car? Same goes for the interior agenda within Modified Street and this class seems to be following suit, I like the rules but once again we will have to pass based upon specifications that really have no value on performance gains.
From what I have heard its because they are looking for "street" type cars because thats what the fans like. I like the idea but wont comply.
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