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will i need to measure PTV clearance with this small cam? LQ9. expected gain in HP?

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Old 02-10-2010, 06:13 PM
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Question will i need to measure PTV clearance with this small cam? LQ9. expected gain in HP?

I know the answer is to always measure PTV clearane but there are also so many know cam combos that there is no need. I really do not want the expense of head studs and head gaskets if there is no real need to measure.

the engine is a 2004 LQ9.

cam specs are

@ .050 int. 220 exh 226
gross int .581 exh .584

on a 113 lobe seperation.


what kind of performace gain can i expect out of this cam in a otherwide stock engine?
Old 02-11-2010, 01:22 PM
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I have no experience personally with that cam but I would say that's a pretty good choice for a LQ9. Probably would net you 20-30 rwhp with a tune, and should sound pretty nasty. You need to throw on some headers and a CAI to let it breathe to its potential though.
Old 02-11-2010, 01:25 PM
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As long as your not milling the heads, a ton, That cam should be fine for that set up..

Heres a idle clip for ya, my cam is close to that one but on a 112lsa

http://www.youtube.com/watch?v=8ndHH03DZiE
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