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Turbo Cam for STS Turbo Kit, what design?

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Old Nov 8, 2004 | 08:16 AM
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Arrow Turbo Cam for STS Turbo Kit, what design?

What would be a good all around turbo cam for the STS rear mounted Turbo?

Would you want one with more intake duration than exhaust or the other way around?

Bill
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Old Nov 8, 2004 | 08:59 AM
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The "new" line from the cam companies I talked to (from two cam companies -- one laaaarge, and my local engine builder) is that a reverse split doesn't matter all that much. The advice I got from the cam company (and verified with Dave and Rick at STS) was to go with a straight split with about 6* separating intake and exhaust durations and at least a 114lsa, but I was also told that a dual pattern cam would also work well.

I guess the thinking is that the pattern on the cam makes so little difference that you should get what your builder prefers?

Maybe Jose or Rick will weigh in here with some expert opinions (mine certainly isn't).
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Old Nov 8, 2004 | 09:18 AM
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big lift, no overlap. that's the most generic way of putting it. how much of lift and duration should be matched to your setup, but the idea holds true.
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Old Nov 8, 2004 | 09:24 AM
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Yah, I forgot that -- the cam guys said to match the lift to the heads, because they should be the bottle-neck.
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