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Considering a 2g Time Attack build

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Glad to see some people are interested in this. I really didn't think many people here would car much.

I was talking to my neighbor at the bodyshop so I can get the car on his frame machine so i can make sure the frame is perfect. Then I'm going to select wheels so I can see what quarter panel mods need to be done before paint and body work.
 
I talked to Jon (TRE) about what to do with the center diff, and really there isn't the impact abuse that you get into drag racing and typically Road Race DSM's are under 450hp. I would look at the Speed Design 4 Spider.

Also what is your target weight? I would be more concerned with what the car weights. I am a huge fan of weight reduction because it equals free hp, and it also helps in the suspension department by increasing your natural frequency with out increasing your spring rate! Which allows the suspension to work better.
 
I think there is a lot more interest in road course racing in the DSM community than people give credit too. I think it is just an issue of money when it comes to participation. I'd have been road racing for the last two-three years if I'd had the dough. :p

That said, I'll be keeping tabs on this. Keep us updated!
 
I think there is a lot more interest in road course racing in the DSM community than people give credit too.

Yeah. I want to see this car kick some butt to give the DSM community as a whole more respect in road racing, and interest within the community in road racing. All we see all day are people looking to go a certain time down the 1320, or 1000hp+ motors. So this is indeed a great project to handle.


Do you happen to have any pictures of what the car looks like now? Would be good to have before pictures. As well as what the car looks like throughout the build. I can already tell this is going to be a poster car :D.
 
I talked to Jon (TRE) about what to do with the center diff

Also what is your target weight?

First off, Jon sponsors one of our T2 cars (Marty Grand) I know him very well and he should be expecting a phone call from me about this real soon. ;)

I plan on putting the car on the scales real soon so I can get a before weight and go from there.

Do you happen to have any pictures of what the car looks like now? Would be good to have before pictures. As well as what the car looks like throughout the build. I can already tell this is going to be a poster car :D.

I'll try to get some pics soon.

Well looks like the engine will be going to my bro-ham Mike Huml!
 
I agree you can make a DSM handle very natural. When I take a long but fast turn, i can feel my car's limit as all wheels start to slide a little, but neither the front nor rear slides more than each other. Makes it much easier to tell where your car's limits are. I have drivin some RWD cars where there is no warning, and if you push it to hard, you'll end up in the tulips.

2nd, I would love to see if possible detailed write-ups and pictures on your progress. Threads like that give me lots of motivation!

:thumb: :thumb:
 
It'll be interesting to see how this turns out. Just familiarized myself with the Redline series rules but modified class leaves a lot to be determined. It sounds like pretty much anything goes in regards to vehicle power output, weight, and suspension.
 
Martin, are you planning on doing the JDM Galant spindle/EVO style caliper mount swap?
 
Well something like this has already been done. There is a full track car GSX in the classifieds for sale. But there is no records or results of it being tracked. So like everyone else wants to know...WHATS THE STATUS ON THIS BABY?

EDIT: This is the one I was talking about.
http://www.dsmtuners.com/classifieds/showproduct.php?product=61224&cat=4



Or you could buy my car for $10,000.

Here are the details:
FOR SALE

1990 Eclipse GSX AWD Turbo
$10,000 OBO
Performance of an M3, 911 or Z06 at a fraction of the cost

History:
Ran 2003 One Lap of America
Won NASA TTB event at Road America, 2006
Won six NASA TTR events in Midwest, 2007
Currently Midwest Region TTR points leader
Retuned for NASA TTS class, 2007

Modifications

Engine:
AMS 2.3 stroker motor, currently tuned for 355 hp at the wheels (about 410 flywheel hp) to be within 10 hp of NASA TTS class maximum hp/wt ratio. Only 500 track miles on motor. Installed winter 2006. Stage 4 ported and polished head, titanium keepers, 272 cams, 20G Frank turbo, Extreme Motorsports FMIC and piping, Fluidyne aluminum radiator, Electric Flex-a-lite fans, 660 cc injectors, 2G MAF, Buscher FPR, Walboro Fuel Pump, DSMLink, data logger, balance shafts removed, remote oil filter, oil cooler.

Chassis:
Kirk Racing bolt-in cage (SCCA approved), Spearco steering wheel, Kirkey seats, New 5-point harnesses (2007), Ground Control coil-overs with Koni adjustable struts and camber plates, front and rear strut braces, Stoptech brakes (widened 10 mm for a larger rotor), battery moved to rear, baffled gas tank. Weight: 3,000 lb with full tank.

Wheels and Tires
Five SSR GT-1 rims. Four rims have Dunlop Supersport Race tires 225/45/17 (used as rain tires), one has a Toyo Prox 235/45/17 RA-1 tire
Four 17x9 wheels with Toyo Prox 235/45/17 RA-1 tires
7-8 used Hoosier 245/45/17 tires, unmounted.

Contact: Rich Merritt, 319/393-2917 [email protected]
3076 Brittany Circle, Cedar Rapids, Iowa.
Will deliver within 250 miles of Cedar Rapids.
 
Or you could buy my car for $10,000.

Here are the details:
FOR SALE

1990 Eclipse GSX AWD Turbo
$10,000 OBO
Performance of an M3, 911 or Z06 at a fraction of the cost

History:
Ran 2003 One Lap of America
Won NASA TTB event at Road America, 2006
Won six NASA TTR events in Midwest, 2007
Currently Midwest Region TTR points leader
Retuned for NASA TTS class, 2007

Modifications

Engine:
AMS 2.3 stroker motor, currently tuned for 355 hp at the wheels (about 410 flywheel hp) to be within 10 hp of NASA TTS class maximum hp/wt ratio. Only 500 track miles on motor. Installed winter 2006. Stage 4 ported and polished head, titanium keepers, 272 cams, 20G Frank turbo, Extreme Motorsports FMIC and piping, Fluidyne aluminum radiator, Electric Flex-a-lite fans, 660 cc injectors, 2G MAF, Buscher FPR, Walboro Fuel Pump, DSMLink, data logger, balance shafts removed, remote oil filter, oil cooler.

Chassis:
Kirk Racing bolt-in cage (SCCA approved), Spearco steering wheel, Kirkey seats, New 5-point harnesses (2007), Ground Control coil-overs with Koni adjustable struts and camber plates, front and rear strut braces, Stoptech brakes (widened 10 mm for a larger rotor), battery moved to rear, baffled gas tank. Weight: 3,000 lb with full tank.

Wheels and Tires
Five SSR GT-1 rims. Four rims have Dunlop Supersport Race tires 225/45/17 (used as rain tires), one has a Toyo Prox 235/45/17 RA-1 tire
Four 17x9 wheels with Toyo Prox 235/45/17 RA-1 tires
7-8 used Hoosier 245/45/17 tires, unmounted.

Contact: Rich Merritt, 319/393-2917 [email protected]
3076 Brittany Circle, Cedar Rapids, Iowa.
Will deliver within 250 miles of Cedar Rapids.

Is this the classifieds section now?
 
Is this the classifieds section now?

Sorry about that. It's not ready to go into the classified yet. Got a couple of minor things to deal with, such as losing power to the fuel pump on the 1/2 mile oval at Hawkeye Downs and breaking off the muffler at Road America. I figured road racers would understand: if it's not one thing, it's another. Once it gets all fixed, I'll put it onto Ebay and the classifieds.
 
Isnt the 2G on paper setup well just as good as a evo or better? Granted it would take time and money etc
 
I believe he was comparing the suspension design of the 2g to the evo. Saying that from purely scientific and numbers standpoint, the 2g could be just as competitive as the evo.
 
I believe he was comparing the suspension design of the 2g to the evo. Saying that from purely scientific and numbers standpoint, the 2g could be just as competitive as the evo.


that's kind of what i thought. I beleave the 2g AWD's are competitive with an evo with a few modifications to the 2g. Also an EVO has a big advantage with the center diff. DSM's are an open-end center differential. EVO's use an LSD in the 03-05.5 evo 8's and they use an active center differential (ACD) in the 05.5 and up EVO's. That gives them a huge advantage around and out of tight turns.
 
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that’s kind of what i thought. I beleave the 2g AWD's are competitive with an evo with a few modifications to the 2g. Also an EVO has a big advantage with the center diff. DSM's are an open-end center differential. EVO's use an LSD in the 03-05.5 evo 8's and they use an active center differential (ACD) in the 05.5 and up EVO's. That gives them a huge advantage around and out of tight turns.

How different would the ACD be on the evo in comparison to a 2g awd tranny or even a 1g?
 
Well, at least the plan is for a 2G Time Attack and not a 1G. Ooohhh. :tease:
 
How different would the ACD be on the evo in comparison to a 2g awd tranny or even a 1g?

all dsm's come with an open-end center diff. as for comparison, lets say both a dsm and an evo are taking a tight turn. On the Evo, the power is directed to the wheels that need the power whereas a dsm, the inside wheels spin as those wheels have the least traction.
 
I think this whole DSM VS EVO conversation is drifting off topic but regardless, I thought we had a viscous coupling center diff in all AWD DSMs, which is a cheap form of LSD, hence why we can't tow the car with one end up in the air. Many also came with the option of an LSD in the rear. So really the only true open differential is in the front, correct?

That isn't to say that our LSDs are very good but I know first hand from playing on snow and ice and gravel covered roads, not to mention laying down three and a half strips of rubber on a hard launch or two, that they do function.

Oh, and as long as we're comparing DSMs and EVO's, the 1g has a more similar front suspension and a more rigid shell so I think we'd be more competitive with an Evo than those limp-noodle 2g's. ;)
 
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