Don't do my mistake .. go with 1 7/8" LT all day (+28 rwhp / +24 rwtq )
#25
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All true...even with my stock crap 98 heads and 98 cam I made 335/341 through TSP 1 7/8
and a stalled auto. Now getting milled 243's and G5X3 where the big headers will really shine! The coating on my TSP's looks great still too!
and a stalled auto. Now getting milled 243's and G5X3 where the big headers will really shine! The coating on my TSP's looks great still too!
#31
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Do you know if they already had their new designed oryp on before the header switch? In my mind, that would tell the true story of what kind of hp will be seen on even the mildest setup and not just a h/c car that alot of us will never do. No doubt, If you were far from stock the larger tubes would be worth it but, just saying...
#32
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Yep! Completely stock engine, and they still gained power! Anybody who preaches otherwise on the internet either hasn't tested it, or is just regurgitating something they read in another thread.
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#35
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Well that is just false based on the link below -- it was with a FAST intake, and lost a little power (6.1 TQ) at 3000 RPM, and only gained above 4800 RPM. Unless you're talking about some OTHER test...
https://ls1tech.com/forums/generatio...o-results.html
https://ls1tech.com/forums/generatio...o-results.html
Last edited by libertyforall1776; 06-21-2011 at 10:25 AM. Reason: Corrected HP to TQ for 3k RPM
#36
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Well that is just false based on the link below -- it was with a FAST intake, and lost a little power (6.1 HP) at 3000 RPM, and only gained above 4800 RPM. Unless you're talking about some OTHER test...
https://ls1tech.com/forums/generatio...o-results.html
https://ls1tech.com/forums/generatio...o-results.html
#40
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1 3/4's are fine for a bolt-on car, i would love to see some under the curve numbers on the dyno-runs, there are times you can make kickass peak numbers but it does not kick in till way high into the rpm power band, i think you still need to make choices for parts based on your set-up goal for the car, for a h/c car tho i would think 1 7/8 would be the way to go but 1 3/4 should be plenty for a bolt on car unless you just want shiny high-end numbers