Two FJ40's in the past here too Speed. The first one was a 66 rustbucket with a 350 conversion, and the second was a cherry 78 with AC. What is the 55 series? Never seen one.
The 3.9B 4 cylinder is the "bread truck" engine. See comment from 4BTSwaps.com:
I know what a 3.9 is and how good and tuff they are. I was just wondering how the 3.3 compared to the 3.9 and wondered if they were good enough to consider using for some project, nothing special in mind.
Thanks for the information and your opinions.
This is a very common swap for lighter vehicles. In factory trim they are available at 85hp 220lb-ft (mechanical) and the electronic versions are available up to 110hp 300lb-ft. If you did around on here you'll find explorers, S10's, and quite a few Jeeps running this engine. Fully dressed the 3.3L weighs 567lbs versus the bulky 750lbs of the 4BT, not to mention the overall size of the 3.9L when considering the smaller engine bays. However, the B3.3 is not nearly as readily available used as is the 3.9L. If you can get your hands on that one (assuming it's turbocharged), you should have no problem turning it around. The NA versions (<65HP) aren't as desireable but still bring decent money as long as it's the whole engine. Not much market for parts only.
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