LS1 intake vs LS6 intake... hmmmm
LS1 intake vs LS6 intake... hmmmm I've looked all over the internet boards about how people could get an LS1 intake for about $30 and an LS6 intake for $360. Yet the gains are still kind of on the small side regarding a full bolt on car. I've seen rwhp numbers ranging from +5 to +10 over a stock LS1 intake. On a heads and cam car, the gain is still slightly larger averaging in the +10 to +20 range. Is that really worth the money for just that much extra hp? How many rwhp is the stock LS1 intake capable of supporting? Would the intake be ok in a heads/cam 11:1 compression 6.0L LQ4 going in my Vette one day?
LOL at the LS1 intake over an LS6; its an easy mod and really worth it. In the end, you'll need these 20hp to break good numbers. Every mods count in the end. In fact, the LS6 intake is basic mod.
Yes, you could do a cam swap and get better gains, but it'll be pricier and complicated than just throwing an intake. You'll be sry you dont have the LS6 and after that, you'll want the Fast intake...
Yes, you could do a cam swap and get better gains, but it'll be pricier and complicated than just throwing an intake. You'll be sry you dont have the LS6 and after that, you'll want the Fast intake...
Staging Lane
Joined: Oct 2007
Posts: 76
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To me it seems like most start with a whole engine, which would have a minimum ls1 intake on it. I might be mis understanding, but are you building a ground up motor or starting with an LS powered car? Even the LS1 can be modified, but if your goal is a 500rwhp car, you should squeeze every bit out. If thats the case, go aftermarket. If you're doing a budget build, you can work with the LS1. I'm slowly upgrading stuff on my '98 LS1 and keeping the old. When I finally goto a 408 or other new block, I'm putting the old stuff in a 70's T/A.
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where did you get an 85mm opening for the ls6 done at? i've seen TPIS does a 90mm conversion for $350, but never seen an 85mm for $150. i'm thinking about sending mine for a 90mm from TPIS and saving $500+ over a fast
Ohh great.. cause thats a feasible, available option for the rest of us. Nice that you got a discount but thats not really repeatable for msot of us.
A LS6 intake will give you 14-17 HP over an LS1 intake and will make any other mods that you add in the future perform better too...it is cheep HP for $300...it was the first mod I did to my LS1 ... 
