Any of you 3.0 guys know anything about 2.9's? - Ranger-Forums - The Ultimate Ford Ranger Resource


2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 08-12-2008
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Any of you 3.0 guys know anything about 2.9's?

Why is there no 2.9 section? Anyway I've been searching for headers I've found some from Pacesetter. But for the 2.9 it says they will only fit 88-89 2.9's, I have a 92. I don't think there is really between the 89 to 92 models so why would it not fit? Am I missing something, did they just not research it enough? Would any of you know where to get a set of headers for a 92' 2.9 4x4 Ranger?
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Old 08-13-2008
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Im not sure if im totally right on this, but I thought the 4.0 OHV headers will work on a 2.9. Hopefully someone else will chime in on this.
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Old 08-13-2008
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Are you sure you have a 2.9? Shaklakan has a 92 and he has a 3.0.
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Old 08-13-2008
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The North American version of this engine suffered from several serious reliability issues over its lifespan.

Cylinder head cracking was very common in early models, but affected all model years. Compared to the relatively stout European heads, the North American 2.9 had apparently been subject to a reduction of material around the valve stem guides and rocker shaft mounting pedestals. Some engines would suffer from this failure after overheating only once, while some would fail without overheating at all.

The block and heads underwent a redesign for the 1989 model year, receiving additional material in some problem areas. This helped to reduce the chances of this specific failure, but it was still an issue. Some of these head castings are supposedly printed with the "89TM" designation, but there has been no verification of these claims as the "86TM" designation is usually found on the 1989 and newer heads as well. The redesigned heads also have larger diameter bosses for accessory mounting than the 1st design heads.

After-market heads are also available from World Products, with better design improvements to the early OEM design. These heads use the early model narrow bosses for accessory mounting, so fitment of 1989 and newer accessory brackets will require modification.

Hope this helps.

Last edited by Dustin S; 08-13-2008 at 07:06 PM.
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Old 08-14-2008
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Quote:
Originally Posted by fddriver02 View Post
Are you sure you have a 2.9? Shaklakan has a 92 and he has a 3.0.
Unless some one changed the intake manifold to say 2.9 I think its a 2.9. Over 250,000 miles on that beast, original engine and heads. Only problum I've ever had is the stupid Mistu. transmission in it, but I'm switching to a mazda tranny. While on that subject has anyone ever bought one of those rebuilt transmisions off ebay? How are they?
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Old 08-14-2008
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I have heard good things about Kormex Transmissions but I have never tried them for myself.
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