Pics of my completed GT3 race car
09-05-2008, 12:41 AM
#46
09-09-2008, 09:30 AM
#52
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A Cup is a race car, so you get to run it in certain specific classes. You can build a car faster than a Cup within the rules of Racing classes that are slower (based on average lap times) than the Cup classes.
Also, a street based powertrain has longer life than a Cup. I had a compression leak down test done to my car and it got numbers from a fresh engine, after 34,000 miles.
ABS, you can run legally with ABS. You cannot install ABS in a Cup and run in the Cup class, if you do this, you get bumped to an even faster class.
grussell built an extremely competitive car for POC and PCA Club Racing. These classes are based on street cars, factory race cars are not allowed.
Also, a street based powertrain has longer life than a Cup. I had a compression leak down test done to my car and it got numbers from a fresh engine, after 34,000 miles.
ABS, you can run legally with ABS. You cannot install ABS in a Cup and run in the Cup class, if you do this, you get bumped to an even faster class.
grussell built an extremely competitive car for POC and PCA Club Racing. These classes are based on street cars, factory race cars are not allowed.
09-09-2008, 09:32 AM
#53
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A Cup is a race car, so you get to run it in certain specific classes. You can build a car faster than a Cup within the rules of Racing classes that are slower (based on average lap times) than the Cup classes.
Also, a street based powertrain has longer life than a Cup. I had a compression leak down test done to my car and it got numbers from a fresh engine, after 34,000 miles.
ABS, you can run legally with ABS. You cannot install ABS in a Cup and run in the Cup class, if you do this, you get bumped to an even faster class.
grussell built an extremely competitive car for POC and PCA Club Racing. These classes are based on street cars, factory race cars are not allowed.
Also, a street based powertrain has longer life than a Cup. I had a compression leak down test done to my car and it got numbers from a fresh engine, after 34,000 miles.
ABS, you can run legally with ABS. You cannot install ABS in a Cup and run in the Cup class, if you do this, you get bumped to an even faster class.
grussell built an extremely competitive car for POC and PCA Club Racing. These classes are based on street cars, factory race cars are not allowed.
Just sounded like an expensive way to build a Cup replica.
09-09-2008, 12:39 PM
#54
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A Cup is a race car, so you get to run it in certain specific classes. You can build a car faster than a Cup within the rules of Racing classes that are slower (based on average lap times) than the Cup classes.
Also, a street based powertrain has longer life than a Cup. I had a compression leak down test done to my car and it got numbers from a fresh engine, after 34,000 miles.
ABS, you can run legally with ABS. You cannot install ABS in a Cup and run in the Cup class, if you do this, you get bumped to an even faster class.
grussell built an extremely competitive car for POC and PCA Club Racing. These classes are based on street cars, factory race cars are not allowed.
Also, a street based powertrain has longer life than a Cup. I had a compression leak down test done to my car and it got numbers from a fresh engine, after 34,000 miles.
ABS, you can run legally with ABS. You cannot install ABS in a Cup and run in the Cup class, if you do this, you get bumped to an even faster class.
grussell built an extremely competitive car for POC and PCA Club Racing. These classes are based on street cars, factory race cars are not allowed.
So are you saying that the Cup engine is less durable than a street-based engine? I was under the impression they were very similar.
09-09-2008, 12:49 PM
#55
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street engines have slightly looser tolerances, while cup engines have to be rebuilt every 60-100 hours if you're lucky...cups are higher strung so they come out of tune much easier, and really start to lose horsepower at the end of their life cycle.
09-09-2008, 01:24 PM
#56
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but when I read his post I became a little confused as to what he is saying. He's saying that the leak-down doesn't go as fast which seems odd since the looser engine would leak more (at least I would think) unless he's saying that the Cup is so tight it abrades or stretches more, but at some point I'd expect that to slow down.
Further, his post appears to say that you can build a car that is quicker than a Cup to run in slower classes (?). But then many would do it and it would be a faster class (again at least I would expect that). Sort of a Yogi Berra-ism.
So I'm a little verklempt...
09-09-2008, 01:28 PM
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09-09-2008, 01:33 PM
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yes, I am familiar with that.
but when I read his post I became a little confused as to what he is saying. He's saying that the leak-down doesn't go as fast which seems odd since the looser engine would leak more (at least I would think) unless he's saying that the Cup is so tight it abrades or stretches more, but at some point I'd expect that to slow down.
Further, his post appears to say that you can build a car that is quicker than a Cup to run in slower classes (?). But then many would do it and it would be a faster class (again at least I would expect that). Sort of a Yogi Berra-ism.
So I'm a little verklempt...
but when I read his post I became a little confused as to what he is saying. He's saying that the leak-down doesn't go as fast which seems odd since the looser engine would leak more (at least I would think) unless he's saying that the Cup is so tight it abrades or stretches more, but at some point I'd expect that to slow down.
Further, his post appears to say that you can build a car that is quicker than a Cup to run in slower classes (?). But then many would do it and it would be a faster class (again at least I would expect that). Sort of a Yogi Berra-ism.
So I'm a little verklempt...
this is just like the porsche ethos-the unfair advantage of over-engineering
09-09-2008, 01:35 PM
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A stock 997 Cup competes in GTC-4
A modified Cup competes in GTA
My car competes in GT2
GT2 can be faster than GTC 3 & 4 but most do not spend the money required to build a street car that is faster than a Cup. A GT2 car won overall at Laguna 2 weeks ago so it is indeed a very fast class. No RSR's ran that weekend.
GTA is generally much faster than all 3 classes because the RSR's run in GTA.
09-09-2008, 02:01 PM
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A stock 996 Cup competes in GTC-3
A stock 997 Cup competes in GTC-4
A modified Cup competes in GTA
My car competes in GT2
GT2 can be faster than GTC 3 & 4 but most do not spend the money required to build a street car that is faster than a Cup. A GT2 car won overall at Laguna 2 weeks ago so it is indeed a very fast class. No RSR's ran that weekend.
GTA is generally much faster than all 3 classes because the RSR's run in GTA.
A stock 997 Cup competes in GTC-4
A modified Cup competes in GTA
My car competes in GT2
GT2 can be faster than GTC 3 & 4 but most do not spend the money required to build a street car that is faster than a Cup. A GT2 car won overall at Laguna 2 weeks ago so it is indeed a very fast class. No RSR's ran that weekend.
GTA is generally much faster than all 3 classes because the RSR's run in GTA.