Quote:
Originally Posted by brads911sc
So why wouldnt you just buy a car with the 3.6? It will have the G50 and cooling upgrades, will also have brake upgrades which we havent even discussed... everything you would need on a 3.0 or 3.2 car to turn into a proper 3.6... you can always remove weight cheaper than upgrading all these systems...
A 3.2 SS doesnt add to the cost of a rebuild. If I have to replace the P/C anyway, I am spending the same dollars.
That is not the case with a 3.6 upgrade.
Why would you do this? just a weight issue with the later cars?
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That's what I did, I still had to pour thousands into it to make it into the track appliance that I wanted.
If you want a cheaper track car stay w/ the 911 chassis and stockish motor and go for light weight, you avoid a whole host of secondary issues that will need to be addressed w/ a 3.6 t/p track car.
If you want a street/occasional track car a stockish 3.6/915 will be fine. I ran into issues when I had a 3.8RS/915. The trans is a stock late('84) 915 w/ cooling. When it was stressed, especially in the lower gears, the side plate distorted. Much of that and the cwp teeth will start to splinter, probably the 1 -3 gears too. Wevo mods could probably rectify that but a late chassis is sooo much more capable that I decided that was the way to go, haven't looked back.
I'm very pleased w/ stockish 993/915 combo for street use in my '76, the torque is just so usable the car just burbles along making great noises
Randy is correct it's the torque that will cause issues not so much hp.