96 engine in a 99

[leek]

Will a 96 engine in a 99 work,

what (if any thing special) is required in changeover ?

Just the intake and exhaust manifolds ????????

the local yard say's 99 only. BS

Thanks in advance

Sorry about the simple questions

Leek

[LiftedAWDAstro]

I can't imagine what would be different. Worst case is you may need a few sensors off the 99 engine to place on the 96. I am not sure though.

[rlsllc]

You will want the flexplate, and as many of the original 1996 bolts (like trans to engine, front accessories, etc, as some 1999 vans are all metric, as well as 2000 and on are reported to be by Hollander.

The problem, they are not all metric, and there is no rhyme or reason to it. When I did my 1999 van, all of the fasteners switched orer from the 1999 4.3 to the 1999 5.7 with no real problems, but I could have just gotten lucky. Mine had almost all metric hardware (wrench sizes, etc), but many if not all of the tapped holes in the block were SAE, like 3/8"x16.

There is something different about the flexplate, offset maybe, I really didn't look that close, I just put a new one on the 5.7 to be safe.

You may check your 99 out to see if it is metric or not, looking at the build date may or may not help, earlier would be SAE and later metric is my guess.

[leek]

Thanks guy's I bought a 96 long block and will check the bolts.
The local yard also confirmed the bolt problem.

Thanks again for the help
Lee =D>