Manifolds vs. Shorties
2 options:
1. Pony up the extra cash or the LTs.
2. Save $400, get the Vette manifolds and use the cash for other mods.
Basically, shorties are all but worthless on LS engines - generally speaking.
1. Pony up the extra cash or the LTs.
2. Save $400, get the Vette manifolds and use the cash for other mods.
Basically, shorties are all but worthless on LS engines - generally speaking.
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It's not a max effort build. Then engine is actually fairly mild. I agree, $1100 can make more improvements in other areas - like better brakes or suspension.
if im not wrong I believe some factory manifolds do flow better than the others but im not sure which vehicle they came on. I want to say the vette.
I would do some searching on that
I would do some searching on that
i would also go with LTs, but heres a test of vett manifolds vs 1 5/8 vs 1 3/4 LT vs 1 7/8 LThttp://www.carcraft.com/techarticles...t/viewall.html
IMO, unless there's some really good flowing/fitting LT headers for a ls1 conversion Miata I'd just get the corvette exhaust manifolds, You can always get LT headers later. Keep in mind that if you plan to put a performance cam in it give it a 4* to 8*(@.05") I/E duration split.