<div class='quotetop'>QUOTE(Jewmont3 @ Apr 6 2006, 06:25 PM) [snapback]49514[/snapback]</div>This depends on a lot of things...... Does your state do underhood checks or just tailpipe sniffer? Will you be swapping all the 8.1 smog gear along with the engine? Do you have to bring swaps to referree stations or can you get a smog check done at any local "smog hut"? All things being equal and if you swap everything over complete, your newer model motor should have no problem with meeting '95 smog tail pipe standards. But if you have a state that is very picky, a big block swap can raise some eyebrows.....Hey I need to find out if a new 8.1L big block 496 will pass emissions for my 95 GMC Sierra with the 5.7L 350 TBI engine. That is a lot more cubes and with atleast cam, intake, exhaust probably more I need to make sure it will pass. I have a chance to pick up the 8.1 with 5k miles on it for under $1500. Please let me know what you think ASAP! Also has anyone in here sucessfully swapped an 8.1 into an 88-98 truck? Is it the same as the 6.0?
Thanks,
Mike
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Oh yea, once you swap cams, only the sniffer will ever know... so if you have a strict emmisions state you can't go wild with the cam.
The 8.1 is nothing like the 6.0. The 6.0 is a small block and the 8.1 is a big block. Different mounts, exhaust, accesory drives, etc., etc.
I too suspect you could bolt up a t-56 if you put a flywheel on it (the 8.1 is internally balanced, do NOT use a 454 flywheel on it)
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