Blazer/Jimmy engine swap question


saturnthegiant
12-07-2013, 11:36 PM
I have a '99 Jimmy with a cracked block, and I'm about to pull the engine in anticipation of putting a used 4.3 L engine in. The tranny is in good shape. I wondered if someone could tell me what I need to know as far as engine number codes....like will only certain engines fit in there? Also, will any other size engines fit in a '99 Jimmy, like is there a 4 cyl. that came in these? I really just want to put another 4.3 in, just exploring my options. I am only going to use the Jimmy for driving to work in bad weather.

old_master
01-23-2014, 08:14 PM
Any GM platform, (S, T, M, L, C, K, or G) 1998 through 2002, 4.3L "W" engine will work. If your Jimmy is 2WD, get an engine from a 2WD. If it's 4WD, get a 4WD engine, (less fooling around).

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