There's a car on another board with a stock gt bottom end with comp 278s but it would be best not to gamble. You should find "stage 2" N/A cams with a tight lsa that won't have PTV contact. That will probably give you a good lope. What other mods do you have so we can pick more suitable cams for you?
LSA doesn't describe any indication of clearance - the LSA is the quotient of 2 of the sum of intake centerline and exhaust centerline. And each centerline is also a quotient of 2 of the duration which is a sum of 180+ intake opening and closing degree locations. So as you see, LSA is just a snapshot of how the cam behaves - not an exact indicator of any measurement, as it's the average of two averages.
Check out the houston performance regrind 292s cams. I just had some installed in my car and they make a lot of bumpty bump. No ptv issues. Pull all the way through the powerband.
Why do I think recycle when I think regrind...are these just as stong as new cams. Is there any drawbacks to using regrinds. I remember reading I think on VT's site that their cams were not regrinds - sounded like regrinds were a bad thing or inferior or at least thats how I took it.
I dont think Ill be going with stage 4's (wth)
Im intrested in the 292 regrinds...hmm tell me more.
My mistake, sorry. Yes, i agree a tight LSA would help with the lopey sound - CMS' are actually really right LSA's.I didn't say that it was a measure of clearance. I was just saying that he should get N/A cams with a tight lsa b/c he wants a lopey idle, but obviously he doesn't want PTV contact. Even though with enough duration, wider lsa's like blower ones are lopey too. My Crower S/C cams are loud, without a blower.
Ported heads aren't going to give you 40rwhp - especially through an auto.$450 per set. + $100 core charge for your stockers. With just the bolt-on's in my sig and the cams made 260 hp on a mustang dyno with custom tune. The heads were not touched. I think with some heads this could be 300 on the mustang dyno. The cams are 292 duraton and .531 lift. I don't know all the specs. I am happy with mine. I think regrinds are o.k. Not if your making 1000 hp and have huge valves with extreme spring pressures.
$450 per set. + $100 core charge for your stockers. With just the bolt-on's in my sig and the cams made 260 hp on a mustang dyno with custom tune. The heads were not touched. I think with some heads this could be 300 on the mustang dyno. The cams are 292 duraton and .531 lift. I don't know all the specs. I am happy with mine. I think regrinds are o.k. Not if your making 1000 hp and have huge valves with extreme spring pressures.
Check out the houston performance regrind 292s cams. I just had some installed in my car and they make a lot of bumpty bump. No ptv issues. Pull all the way through the powerband.
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