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  #11  
Old 11-24-2008, 02:31 PM
Brian_B Brian_B is offline
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If you want to stay with the 2.9 there are some things you can do. Open up the air flow to the engine. Open up the exhaust. There are headers for them, but $$$$ (around $400).

You can add higher flow injectors (19#) and an adjustable fuel pressure regulator (one from a buick grand national will bolt on), but I am not as fond of that modification.

I also just happen to know where there is a 2.9 intake (upper and lower) that has been ported (gasket matched). That would help a lot if you do the other mods along with it.

As far as the head cracking...that depends on what year your engine is. In 89 they basically solved that one. The 89 heads are made different. Yes...they still do not like high heat, but they are not as prone to crack.

If you are going to modify the 2.9 or swap to a V8, I recommend getting a new radiator. The 1st gen explorer (4.0) radiator is a bolt in. You would need to swap the radiator hose, but that is about it. Those radiators can be bought new for around $90 from radiatorbarn.com.

As stated, the V8 swap is popular too. I have seen even the 351 stuffed in the 4X4 models. Not nearly as easy as the 302 though. You can actually buy kits from summit racing to drop a 302 into the 1st and 2nd gen rangers.
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  #12  
Old 11-24-2008, 03:03 PM
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You could put a 4.0 in they have enough power for a ranger and everything (Kinda) bolts right up. If you can find a 4.0 from a 91-94 with the tranny you can just bolt it in and swap the harness and computer and your good to go.
The 302 fits nice if you have a body lift, otherwise you need to do a little hammer work to the body at the tunnel.
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Old 08-22-2009, 01:45 PM
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Swap it for either a beefy 4.0L V6 or a 302 V8.
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Old 08-22-2009, 04:21 PM
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5.0...

that is all.
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