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4.0 L stroker recommendations

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Joined: 02 Nov 2005

PostPosted: Wed Nov 09, 2005 12:13 am    Post subject: 4.0 L stroker recommendations Reply with quote

I have a 94 grand with 180,000 miles and it is way tired from a heavy right foot, it needs motor mounts, exhaust manifold, and clutch so i basically have to pull the engine apart to keep it going. I figure while I'm at it I might as well upgrade the motor since I basically have to pull it anyway. I'm exploring my engine options and wondered if anyone could help in my decision. My jeep does double duty so I would like to keep the 4.0 in some form for reliability and economy, and my jeep has the AX15 manual tranny which i would like to keep, so I want to stick with the 4.0 (so i don't trash the tranny, budget issues), but I want more power. I was reading a few websites (, that tell me I can rebuild a 4.0 L with a 258 crank and rods, a crane cam #753901, and get the extra power using mostly stock parts without having to do any huge modifications. I work at a machine shop, so honing the cylinders and machining the head is not an issue. Since it is a daily driver i want to keep downtime to a minimum. Right now I'm thinking that the best plan of attack would be to get the cheapest HO 4.0 I can find and rebuild it with the 4.2 parts, then build my motor the same way for my buddy's cj; it just seems like a waste to rebuild any motor back to stock. I have investigated the cost and it seems preferable to a v-8 swap because all the parts are stock. This is a large project, but ohio has long winters, so time is not an issue. The other option I see and that has been suggested is get a new jeep, but I am sentimentally attached to this one and like the manual tranny and it doesn't seem too likely that I will find another one with a manual, so i'm pretty much sold on keeping this one. Any input I can get on this (namely the time it will take me, difficulty (I'm a decent wrench, but I haven't been inside an engine before with the intent of keeping it running) and the cost of the stroker) would be greatly appreciated. thanks fellas
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