993 GT2 EVO ride height & "angle of attack"
#1
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Thread Starter
993 GT2 EVO ride height & "angle of attack"
Just got this photo that was taken at a recent track outing.
The car is a little on it's nose. It used to be at RS height but I raised the rear 10mm for clearing the big tires. I have since modified the fenders/bumper so I can lower the rear back to RS height.
But my question is, is the RS height too high for EVO body? Does anyone have 993 GT2 EVO height specs that could be shared?
TIA!
The car is a little on it's nose. It used to be at RS height but I raised the rear 10mm for clearing the big tires. I have since modified the fenders/bumper so I can lower the rear back to RS height.
But my question is, is the RS height too high for EVO body? Does anyone have 993 GT2 EVO height specs that could be shared?
TIA!
#2
Rennlist Member
PM Chris Cervelli for full RSR specs and setup. Chris raced an RSR and sets up/builds these a lot. You need to install the tilt kit in the rear in order to lower the back to RSR height.
#4
#5
To bump this thread, (I know its Old)
we are in the process of fitting bigger tires in the rear, maybe this is also interesting for Juha, the thread starter:
we are planning to run 31/71/18 in the rear, these are 3cm (1,18inch) higher than the current 30/68/18 rears.
in the front we run 27/65/18 tires, we could achieve a Nice 50% cross weight on the scales.
with the new tires this Will be harder because lowering the car the 3cm Will cause fitment and suspension issues.
i’ve heard these cars like a little bit of rake.
How do You corner balance a car that has rake and What is a good percentage ?
Car is full flat floor which also benefits a little rake ?
we are in the process of fitting bigger tires in the rear, maybe this is also interesting for Juha, the thread starter:
we are planning to run 31/71/18 in the rear, these are 3cm (1,18inch) higher than the current 30/68/18 rears.
in the front we run 27/65/18 tires, we could achieve a Nice 50% cross weight on the scales.
with the new tires this Will be harder because lowering the car the 3cm Will cause fitment and suspension issues.
i’ve heard these cars like a little bit of rake.
How do You corner balance a car that has rake and What is a good percentage ?
Car is full flat floor which also benefits a little rake ?
#6
Three Wheelin'
Remember, you don't need to lower the rear 3 cm. You only need to lower it by 1.5 cm (radius of the increase in tire size, not the diameter). Clearance at the top of the tire to fender / fender well will be reduced by the full 3 cm, in case you hadn't considered that yet.
#7
Totally forgot that, but already lowered the car 1,5 cm and that didnt cause any problems.
but the remaining question is the amount of rake. Is that beneficial and What would me a Good percentage ?
but the remaining question is the amount of rake. Is that beneficial and What would me a Good percentage ?
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#9
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Porsche 993gtrsr
I don't know if you ended up doing it. I remember about 12-13 years ago I ran the 71 profile on my 993. It was tough to make them fit while having a good ride height, I had to cut the rear fenders in places from the inside so that under compression the slicks wouldn't rub. See how tight is the fit and this is in straight line.
If you get the ride height according to specs you shouldn't worry about rake, it will be ok, corner balancing is more important.
I don't know if you ended up doing it. I remember about 12-13 years ago I ran the 71 profile on my 993. It was tough to make them fit while having a good ride height, I had to cut the rear fenders in places from the inside so that under compression the slicks wouldn't rub. See how tight is the fit and this is in straight line.
If you get the ride height according to specs you shouldn't worry about rake, it will be ok, corner balancing is more important.