Join Date: Nov 2002
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Re: gm350/700r4/np208 in CJ8 got questions
My first question is why? That 304 / TH400 / D20 sounds like a great combo. If you really need more power, find a 360 and call it a day. If it's for the overdrive....well that understandable. Don't get me wrong, it's your jeep, and should be however you want it.
The 208 will have a slip yoke to contend with, and not only is the eliminator kit expensive, it doesn't shorten the combo up. You can adapt it to the D20....but that's big $$$.
The radiator's bottom end will have to be switched (Chevy is backward from AMC) and that's only IF your factory radiator can keep up with a 350, and then all of the stuff Olin mentioned.