D

Is an SC cam the same thing as a Carrera cam?

Steve Weiner-Rennsport Systems

Yessir, they are.

Bear in mind that this cams performs differently based on how the valve timing is set.

Other good cams for a modified 3.3 Turbo are the 964 ones, depending on what you want.

D

so how do the SC and 964 setups compare?

Steve Weiner-Rennsport Systems

The SC cams provide improved low-end and mid range and the 964 cams have a bit better mid and top end power.

Both are much better than the 930 cams.

PT

Steve,

What timing would you suggest for the SC cam?

thanks.

D

Do either of these cams 964 or SC require the piston to be machined for valve clearance?

Steve Weiner-Rennsport Systems

PT:

SC cams have a LOT of flexibility,....you can set them at .9-1.1mm or 1.4-1.7mm to shift the power around a bit.


D:

No machining of 930 pistons are required as the pistons are a flat top design and these cams have modest lift and duration.

PT

Thanks for the advice Steve... does setting it at 1.4-1.7mm favours more top end compared to 0.9-1.1mm?

Thanks.

Steve Weiner-Rennsport Systems

PT:

.9-1.1mm favors mid and upper end power.

D

All,
Thanks for all the info. Just purchased a set of low mile Carrera cams and they are already on their way to WebCam for the drive installation.