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Just finished watchin SCCA Valvoline runoffs american sedan!

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Old 11-15-2001, 10:15 PM
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Just finished watchin SCCA Valvoline runoffs american sedan!

Mustang won though . My question is, what kind of rules do they use? how fast are they? What kind of engines do they run. They look to outragously modified.

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Old 11-15-2001, 10:46 PM
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they are real race cars. the cars are gutted, hae full cages, and run carbed engines(yuck to the last one)
you can see al the rules at www.scca.com
it is a wicked class, all you need is a good chassis and body and you can get into the class for under $45,000. not bad for that high a level of racing.

later
tim

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Old 11-16-2001, 12:45 PM
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I watched that too ,a bunch of third gens. I thought i heard they were 5.0 liter max on the engines. Looked like fun to me . Dave

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Old 11-16-2001, 01:56 PM
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Car: 84 Z28
Engine: L69: cam and porting
Transmission: T5, 3.73 rear
5.0 liter max with some (11.5:1?) compression limit. Factory heads ported only 1 inch in. I think there is a cam lift limit of .480"
Most heads are L69 heads.

Also reqired to run an Edelbrock performer (rpm?) intake with holley carb. Any axle is legal(most run 9 inches or dana 44s).

16 inch wheels with 255/50/16 tires, shaved DOT legal. Goodyear Eagle GSCS is common.

Stripped interior with full roll cage and belts. I think a fuel cell is required also.

Check the scca website as noted above for official rules.
The mustangs are allowed more cam lift and GT40 heads because the F bods used to dominate.

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84 Z28 L69. 5 speed with 3.73 posi (broken)Ported heads, intake, 10:1 comp. 230/230 .480 lift cam @.050" w/108 LSA

Triumph Spitfire SCCA roadracer. 1.1 liter 4cyl w/ 14:1 comp.
Outcorners anything!
Old 11-16-2001, 03:14 PM
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There is a 3rd gen Camaro already setup for A Sedan in the classified section of Automweek Magazine. $25,000.
Old 11-17-2001, 06:42 PM
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I tried to watch but my stupid digital cable wasn't getting Speedvision at that time . I've missed so many races because of digital cable.
Old 11-20-2001, 09:41 PM
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Now if only they would let the LS1's in on it...

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You have walked onto the biggest baddest dog porch and you will be dealt with accordingly.

I'd rather be historically accurate than politically correct!
Old 11-20-2001, 11:26 PM
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Car: 84 Z28
Engine: L69: cam and porting
Transmission: T5, 3.73 rear
Check out the T2 class for basically stock LS1 camaros.
Old 11-21-2001, 09:48 AM
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Car: 1983 Z28
Engine: 350
Transmission: WCT5
If you can find class rules on (ahem) scca.org let me know where. I think the only way to get a rulebook is to buy one from the main office. If I'm mistaken, please let me know, as I don't want to spend the money right now on a rulebook (I've got a '99 or '00 one) since I'm not planning on building a totally a-sedan spec car.

I'm thinking about building an open track type car that could someday be spec'ed to a-sedan.

thanks
Clem

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Old 11-25-2001, 09:23 PM
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yep a stang won, Tom84L69 is right the 1lE Camaros use to dominate SSA (showroom stock) and AS. Now the stang are allow aftermarket parts to compete. If you look at the overall results the top 5 were 95% Camaros.
Tom84L69
I truley dout your G production spitfire (trailing links and all) will out corner everything. My brother and myself had our share of Spridgets, Triumph race cars G and F production. We both went to the runoffs in '82 (Alanta) for F production region 89 (we broke..scatter cammed 14 to 1 motors don't last). We now race Late Models...they can make a "right" even faster. I still like Britt cars though "they have souls" just sold my TVR 2500M.
Old 11-26-2001, 01:22 PM
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Car: 84 Z28
Engine: L69: cam and porting
Transmission: T5, 3.73 rear
MorgRS... What is your best time at Mid Ohio?
The spit's rear suspension is actually very good. Maybe you just never knew how to set yours up or never raced against a good one. After you relocate the trailing links inboard, i think it can outperform solid axle cars. In fact, it does. Check out Kevin allen at the G prod runoffs this year, pretty impressive till he had a failure.

As for outcornering...compare speeds in the turns with a T1 Corvette, Viper, whatever, my little spitfire and probably your spridget will turn harder than they will. that's all i meant, compared to any street car, there is no comparo.

As for my 14:1 motor, it went a full season last year with no problems to the bottom end, maybe if you built your motors correctly, they wouldn't blow up.
Old 11-26-2001, 01:37 PM
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Car: 84 Z28
Engine: L69: cam and porting
Transmission: T5, 3.73 rear
There, i fixed my sig.

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84 Z28 L69. 5 speed with 3.73 posi (broken)Ported heads, intake, 10:1 comp. 230/230 .480 lift cam @.050" w/108 LSA

Triumph Spitfire SCCA roadracer. 1.1 liter 4cyl w/ 14:1 comp.
turns on rails!
Old 11-26-2001, 08:52 PM
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When you make the runoffs it's all out, you know that...we had no problems with our regional motors. National motors are very loose. Scatter pattern cams were new then, made lots of power way way up the rpm range, ran the cranks into some harmful harmonics. Things are fixed nowadays (isolated flywheels and such). The tailing links are too short...you have to keep travel too short, ok on a perfect surface. Brakes are poor for trail braking into a corner. Did not run at Mid, our region included Daytona, Sebring, Alanta, Savanah and West Palm. Mid's a very nice track would like to have run it. Not to be a smart *** but try some circle track racing (like a school)...we use to laugh at these guys years ago. It's some of the best wheel to wheel racing in this country. These guys have perfected it. There's no less then 5 zero scrub setups for my chassis alone. 500+hp. Looking back SCCA club racing was pretty boring: follow the leader stuff, the people are very colorful and freindly though. I'm going to stop now. I'm sorry that I'd said something about your Spit. They are fun cars, and a good stepping stone. I shall not reply on this site about this subject again...learn my lession the hard way. Now howz that Z28 of yours doing......lol Good luck next season!!


[This message has been edited by MorgRS (edited November 26, 2001).]
Old 11-26-2001, 10:04 PM
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now, now... Whats zero scrub mean? no bumpsteer?
Old 11-26-2001, 10:43 PM
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Car: 84 Z28
Engine: L69: cam and porting
Transmission: T5, 3.73 rear
Ok ok, i got a little flustered about the spit, i really love the thing. You're right, I'm sure there has been a lot of development in the last 20 years. I wouldn't know too well cause I'm only 20 years old! I respect circle trackers, have a friend racing late models. It really doesn't seem to take the rhythm and focus that roadracing does (only turning left). Roadracing doesn't seem like a logical stepping stone to circle trackin. I am biased though and have never tried it so I'll quit.
By the way, I do trail brake the spit, and I am running nationals next season, maybe I'll make the runoffs? What do you mean by scatter cammed? I've never heard this before.

My Z28 is sadly broken, too many street racing launches for the weak ### T5 and 7.5 ring gear. I really want to make an A sedan racer out of her but the body is just too nice to waste bangin fenders.
Old 11-27-2001, 04:38 PM
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Cam profiles are different from cylinder to cylinder. Helps with the breathing of the seimesed ported centered cylinders. The Huff cars were the first. I see by watching speedvision their still leading the pack.
Wow 20yrs..didn't seem that long ago, why you have to remind me...LOL SCCA racing is a good stepping stone. We run round and round for the chase of money...nothing like winning money. Money can make you focus. At the tracks (1/4 to 5/8) we run at, 2 seconds covers a 20 car starting grid, 10 go home early (thats needs focus too!!) 200 laps needs rhythme too. Rubbin's racing. Good luck next year getting your national points (if the regional/national thing still goes on). Somthing you may enjoy: years back a club member use to run a mini in the mini-stocks in Tampa. Cleaned-up, financed his road racing!!! I beleave they out law'd the mini. I never saw it or had him pionted out to me, just one of those paddock stories.


[This message has been edited by MorgRS (edited November 27, 2001).]
Old 11-30-2001, 02:49 PM
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back to the A-sedan topic .... most guys have switched to vortec heads .. 305 version ... the leaders are running bow tie rods !! $1100 ... ouch .. custom cams .. "bent" rear axles .. etc etc ... I have the front suspension from the record holder at road atlanta If I remember correctly .. you can only run parts that are atleast 8 years old .. as in .. the 4th gen body started being legal last year ... they still haven't made a competitve 4th gen though :\
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