964 race car project
03-31-2014, 08:15 AM
#1
Racer
Thread Starter
964 race car project
Hello my name is Filip ,i live in Belgium. After a 951, 968 turbo RS (replica) and now a 997cup car i started to feel the need for a new project.I hope to get as much advice and tips here as i always did on the 944/68 and cup car forum.this is the basis I'm starting from it's a 1993 c2 ,first step will be to strip the car and dip the chassis . 
03-31-2014, 08:55 AM
#2
Nordschleife Master
Welcome Filip. You live in the country that is home to our favourite race track which we visit at least once a year to do track days. Hope to meet you there. 
03-31-2014, 05:07 PM
#5
Racer
Thread Starter
not completly decided yet . the car is going to be stripped and is getting a welded rollcage , all fiberglass bodypanels , 993rs spindels , 3way suspension .... I'm stil not sure if i want to make it a widebody i was searching for wheel sizes that wil fit a wide body 964 , and i was wondering how much horsepower you need for a widebody to go fast ...any advice is very welcome.
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04-17-2014, 05:54 PM
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not completly decided yet . the car is going to be stripped and is getting a welded rollcage , all fiberglass bodypanels , 993rs spindels , 3way suspension .... I'm stil not sure if i want to make it a widebody i was searching for wheel sizes that wil fit a wide body 964 , and i was wondering how much horsepower you need for a widebody to go fast ...any advice is very welcome.
Just had that conversation this morning. I love my car as it is; nimble, light and wonderfully balanced as a narrow body.
We feel that 360 to 370bhp is perfect for my car (currently 335) if it remains narrow. Any more and tire management becomes an issue. (much more and engine management becomes an issue!!!)
On a smaller track, I can run with wide body cars with far more hp as it is.
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04-18-2014, 08:21 AM
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This is my box.
It's worked well, but in a perfect world I'd consider making 2d a bit taller and 4th and 5th a bit shorter.
1st 2nd 3rd 4th 5th 6th Final ratio
3.500 2.250 1.684 1.286 1.040 0.000 3.333
It's worked well, but in a perfect world I'd consider making 2d a bit taller and 4th and 5th a bit shorter.
1st 2nd 3rd 4th 5th 6th Final ratio
3.500 2.250 1.684 1.286 1.040 0.000 3.333
04-18-2014, 09:55 AM
#10
Racer
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04-18-2014, 11:48 AM
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Infinite!
(It's a five speed box)
Of course though, all things are not equal. We're I to build up a six speed, I'd use 1.04ish for 6th.
One could build in an active first (say 2.250), but this is a hassle and tough on a tiny clutch.
One must also build around his own engine, its hp and torque curves and his own driving style and needs.
(I typically merely leave the car in one gear and shut my eyes....racing is scary!!!)
(It's a five speed box)
Of course though, all things are not equal. We're I to build up a six speed, I'd use 1.04ish for 6th.
One could build in an active first (say 2.250), but this is a hassle and tough on a tiny clutch.
One must also build around his own engine, its hp and torque curves and his own driving style and needs.
(I typically merely leave the car in one gear and shut my eyes....racing is scary!!!)
04-18-2014, 02:56 PM
#15
not completly decided yet . the car is going to be stripped and is getting a welded rollcage , all fiberglass bodypanels , 993rs spindels , 3way suspension .... I'm stil not sure if i want to make it a widebody i was searching for wheel sizes that wil fit a wide body 964 , and i was wondering how much horsepower you need for a widebody to go fast ...any advice is very welcome.
factory 964 3.8RSR used 9ET48 & 11ET5, the front suspension longitudinals in the outer position and n/b rear suspension arms
On a n/b I've seen 8.5ET50 & 51 and 10ET65 w/ 21mm spacers
If you go for the max wheel/tire width expect to massage the lips