Quote:
Originally Posted by OM617YOTA
Just tossed some gear ratios into an online calculator. My 40mph 4th gear crawl up the mountain w/ 31" tires and 4.55 gears was turning that poor engine at ~2000rpms. Poor little diesel, no wonder she was struggling.
If that was only 2k rpms and she's SUPPOSED to spin faster than that normally, this thing is going to need a muffler. The noise gets pretty ridiculous.
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do you still have the gas V6 muffler system laying around?
I used my stock muffler in my swap, and just put in a straight pipe where the catalytic converter was. Saved a bunch of money on exhaust work.