MonteC Posted September 27, 2005 Report Posted September 27, 2005 are the bottom ends of the 3.1 and the 3100 identical? can i swap in a 3.1 bottom end into a gp with a 3100? Quote
OldSkoolGP Posted September 27, 2005 Report Posted September 27, 2005 Hmmm, can't say for sure. What I do know is that 3100 and 3.1 heads are interchangeable, of course that doesn't tell you if the bottom end is 100% compatible. I'd bet some parts are, I don't think the crank really changed over the years. Anyone else know for sure? Quote
z284pwr Posted September 28, 2005 Report Posted September 28, 2005 No they aren't, different block, 3100 block has extra space for cam sensor for one....list could go on Quote
IBuiltMine-o1oo Posted September 28, 2005 Report Posted September 28, 2005 so when i get my 3.4 can i put my 3100 heads and intake into my brothers 94 3.1?? Quote
GutlessSupreme Posted September 28, 2005 Report Posted September 28, 2005 yes, but there's more to it than that.. do a search. There's a site with tons of details on the swap but I can't remember the name.. 3400hybrid or something like that. Quote
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