vortech supercharged ls/vtec dyno
03-13-2004, 07:39 PM
#21
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Re:vortech supercharged ls/vtec dyno
Originally Posted by slammin86
I installed some type r cams in my car, and went to the dyno. My boost gauge would climb to 6 to 7 psi, but once vtec kicked on, it would drop to 6. For the hell of it we turned vtec off and made a run, and it ran up to 10 psi.....what could be causing this.
It is a vortech charger on a ls/vtec if that matters.
good news is i picked up 30 hp off of cams. 265@6 psi...not too shabby
It is a vortech charger on a ls/vtec if that matters.
good news is i picked up 30 hp off of cams. 265@6 psi...not too shabby
It went to 10 psi because the engine can't suck in as much air out of vtec...
Did you change ur valve springs and retainers for that cam swap?
hopefully you did.. or your valves are going to meet the pistons at high revs do to the valves floating.
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