Here's the deal. I've got a 4bt going in a CJ-7. When I bought the motor, the previous owner was nice enough to throw in the TH400 auto tranny as well. My first idea was to scrap the auto and find a NV4500 out of a Dodge with the 6bt, but they are few and far between around my area, not to mention very expensive. I got to poking around on advanced adapters web site and found an adapter that goes from the TH400 to a Dana 300 (stock transfer case) for around $500. My question is, with 4:10 gears and 35" tires, what could I expect for a top speed? I would be installing the 3200 rpm governor spring in the pump, but I don't want to be running the motor over 2k rpm's for a long period of time. Also, the factory adapter from the 4bt to GM transmission clocks the motor 10 degrees. Has anyone split the difference between motor mounts and transmission mounts to lessen this angle? This Jeep will be seeing a majority of street driving with not a whole lot of offroad time, and I'd really like to be able to keep up with traffic on the highway. So, what do you think, am I crazy for wanting to give the auto a try? Lets hear it!
MIke
MIke
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