Cant deside on cam?
#21
Old School Heavy
iTrader: (16)
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Dmmizell: 2900lbs, 239/247@.050 110lsa+4, 9.87/137 - stock heads
87olds442: 3300lbs, 226/236@.050 110lsa, 10.79/121 stock ASA hot cam, LS376-515 crate engine.
Burgers: 3300lbs, 233/239 112lsa, 10.56/127, CNC TSP heads
IheartLS1: 3700lbs, 239/247@.050 110lsa+4, 10.77/125- stock shortblock, CFM ported heads.
Jgillen91: 3400lbs, 235/251@.050 110lsa+4 10.72/126, CFM ported heads
3pedals: 3425lbs, 236/262@.050 110lsa, , 10.90's@130
#23
Old School Heavy
iTrader: (16)
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Dmmizell: 2900lbs, 239/247@.050 110lsa+4, 9.87/137 - stock heads
87olds442: 3300lbs, 226/236@.050 110lsa, 10.79/121 stock ASA hot cam, LS376-515 crate engine.
Burgers: 3300lbs, 233/239 112lsa, 10.56/127, CNC TSP heads
IheartLS1: 3700lbs, 239/247@.050 110lsa+4, 10.77/125- stock shortblock, CFM ported heads.
Jgillen91: 3400lbs, 235/251@.050 110lsa+4 10.72/126, CFM ported heads
3pedals: 3425lbs, 236/262@.050 110lsa, , 10.90's@130
87olds442: 3300lbs, 226/236@.050 110lsa, 10.79/121 stock ASA hot cam, LS376-515 crate engine.
Burgers: 3300lbs, 233/239 112lsa, 10.56/127, CNC TSP heads
IheartLS1: 3700lbs, 239/247@.050 110lsa+4, 10.77/125- stock shortblock, CFM ported heads.
Jgillen91: 3400lbs, 235/251@.050 110lsa+4 10.72/126, CFM ported heads
3pedals: 3425lbs, 236/262@.050 110lsa, , 10.90's@130
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#24
10 Second Club
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Thats why I shot a lot of PM's and e-mails with more than a few who were running the numbers I was looking for....Time will tell ![Winky](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_wink.gif)
It's nice that some are willing to help others, give combo's, and aren't being so secret
in their set-ups.
![Winky](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_wink.gif)
It's nice that some are willing to help others, give combo's, and aren't being so secret
![Secret2](https://ls1tech.com/forums/images/smilies/LS1Tech/secret.gif)
#25
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Ok first, Sorry I can only post on here late in the evening due to me being deployed. I get back early next month!
Ok to answer some questions. Speedtigger i'm running my soon to be converted ltq t56 behind the 6.0
I want to car to be a dual purpose. street/strip. This is in no ways a DD car.
I want to make as much power on this stock bottom end lq9 as I can and still be able to driver her on the road. Hope this helps narrow the scope.
Oh and I'm getting a custom carb ordered as soon as I get the custom cam specs.
Ok to answer some questions. Speedtigger i'm running my soon to be converted ltq t56 behind the 6.0
I want to car to be a dual purpose. street/strip. This is in no ways a DD car.
I want to make as much power on this stock bottom end lq9 as I can and still be able to driver her on the road. Hope this helps narrow the scope.
Oh and I'm getting a custom carb ordered as soon as I get the custom cam specs.
#28
10 Second Club
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Gears
Stall
Cam
Will all need to be more street friendly. Big cam = low vacuum + bad brakes.
All said and told...if it were built full tilt drag Vs. a dual purpose car....it could be giving up a full second or more...all come down to what "you" think is streetable.
Last edited by Doug G; 07-18-2012 at 07:47 PM. Reason: spelling error :o
#36
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ive got a carbed lq9 with ls3 heads, why is my cam not ideal being that its on a 112 lsa? not to thread jack op but it might be helpful to some to go alittle into this for future searching
#38
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Wider LSA means less overlap. Overlap help create a vacuum signal by having both valves open at the same time. The scavenging effect from the exhaust pulls A/F mixture into engine. That's also where the beloved rumpety rump comes from. Tighter LSA
#39
Old School Heavy
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I will share another thing that an old engine builder friend showed me. He said that as the displacement gets larger in relation to the heads, the motor will generally favor a wider LSA. Meaning that a 5.3 might like a narrower LSA compared to a 408 stroker with the same pair of heads. The particular motor he demonstrated this to me on was a 406 small block compared to the 327 that was in this particular car. The 327 ran the fastest with a 106 degree LSA cam. However, the 406 was a pig with that cam. It ran the best with a 114 LSA cam and this motor had an intake similar to a Victor Jr. (Weiand Team G). Now those heads were probably too small for that 406, but it was a great illustration of his point.
#40
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Ok, so the smaller the ci the less lsa you want. But a larger ci engine is more forgiving to finding the sweet spot. I was thinkin if my cam is wrong for my engine id hate to see what the right cam will do cuz this thing is a monster!