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Re: 99 lq4???
Quote:
Originally Posted by bark
well that sucks, you say the crank is longer and will only work with a 4l80e?? what do they do with the newer 6.0's do they use a spacer, cause I've read that you can get them with 4l60e in some suv
also can a guy bolt on aluminum heads off of a newer 6.0???
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Yes the aluminum 317 castings will bolt right on. The '99-'00 6.0's had the longer crank flange to mate up with a 4l80e, because that's the only transmission that was available behind it for those years. Starting in 2001, the 4l60e was available behind it and they went to the standard crank flange and the 4l80e equipped trucks used a spacer. If you want to use a trans other than a 4l80e or th400/350 then you need to look for a 2001+ motor.
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'85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread
'98 Camaro z28: 370ci twin turbo 370ci build
'01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD
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