All the info you could ever want about them, including and especialy swapping one into something else.
http://www.4btswaps.com

Depending on your needs for power thay can be and are great for our trucks. More power than the stock gas engine, peppy in a small truck but I'd say not a hot rod sort of thing in a BigBolt.

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-