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2.8/2.9


Richard

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this guy has a 1985 ford ranger with a 2.8 and he wants to put a 2.9 in it. is there much difference between the two ? will it just bolt up ? any info would be great. Thank You.
 


BobR

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the pilot bearing on the 2.8 is in the crank, on the 2.9 its in the flywheel.

so 2.8 engines can be bolted to a 2.9 tranny

there will be clearance issues to deal with when bolting a 2.9 engine to a 2.8 tranny.


4.0 trannys can work on both.


the biggest PITA when installing a 2.9 in an older vehicle is the wires.

Bob
 

Richard

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Thank You.
 

Tumbleweed

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Also the 2.8 is carbureted and 2.9 fuel injected so the gas tank/fuel pump will need to be addressed.
 

yodusty

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I am considering this swap also and would like as much input as possibe. I want to turn my truck with a 9" lift into a daily driver so I don't want to go with a 4.0 or 5.0 for fuel economy purposes.
 
Teoma

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Other then the fuel injection, are there other differences in the engines? Could you just swap a 2.8 intake onto a 2.9 block?
 
85_Ranger4x4

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Teoma said:
Other then the fuel injection, are there other differences in the engines? Could you just swap a 2.8 intake onto a 2.9 block?
Click to expand...
The valves are in different places so nothing would line up. Add to the mix that the 2.9 has a timing chain and the 2.8 have timing gears so the camshaft spin in different directions. Not much interchanges between the two engines.

Although I took a 1986 A4LD that was behind a 2.9 and put it behind my 2.8, so far 6 years later it still works perfect. It fits in there just as well as the burned out one I pulled out.
 
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