LS noob question
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LS noob question
I'm on a budget build due to the fact I am also house hunting.. I came across a deal on a motor for my camaro roller. It's 1500 for a low miles LQ4, comes with ls6 valve springs, ls6 rods, ls6 cam, ls2 timing chain, ls6 oil pump, slp header back exhaust, ls1 heads and 317 heads. I can't really have anything else ported right now due to saving money, but what head combo should I run with the stuff I mentioned earlier? Car will be dyno tuned once it's all together.
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Its kinda like a double edge sword here. You can put the LS1 heads on and bump up the compression but then you have a little less flow than the 317 heads and they lower the compression.
I say run the LS1 heads so you bump up the compression because you won't even use the extra flow of the 317's with just an LS6 cam.
I say run the LS1 heads so you bump up the compression because you won't even use the extra flow of the 317's with just an LS6 cam.
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Is there really much of a difference in horsepower? I intend in using a turbo down the line in 2 to 3 years.. But how drastic is the power difference for now going with the LS1 heads as opposed to the 317s?
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#8
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In going with a turbo the dish of the LQ4 is going to keep your compression low 9.4:1 with the 317's and 10:1 with the LS1 heads. 10 might seem high but not in the LS world. It was back in the SBC world that 10:1 is high. You have a very efficient head compared to the SBC is the reason you can get away with more compression. I don't think you will see much difference in power from the 2 with that setup. Now if you were building a 370 with a custom turbo cam and a GT91 turbo in front, then that would be a different story.
#12
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In going with a turbo the dish of the LQ4 is going to keep your compression low 9.4:1 with the 317's and 10:1 with the LS1 heads. 10 might seem high but not in the LS world. It was back in the SBC world that 10:1 is high. You have a very efficient head compared to the SBC is the reason you can get away with more compression. I don't think you will see much difference in power from the 2 with that setup. Now if you were building a 370 with a custom turbo cam and a GT91 turbo in front, then that would be a different story.