I have 1985 ford f150 2wd with a aod tranny with a 302 what size motor can I up grade to without changing the tranny for more power

10

Asked by Dec 12, 2014 at 10:43 AM

Question type: Car Customization

11 Answers

16,640

I believe a 351 will drop right in.

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10

thankyou,is there any years that are interchangeable for the 351

4,805

They make AOD shift (reprogramming) kits so you can go with more power. An example http://www.transmissionpartsusa.com/AOD_Transmission_shift_kits_s/12284.htm

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16,640

351 CID Windsor V8 1983–86, 351 CID HO Windsor V8 1984-86. You will have to change over the electronics and a few other minor things to make it work.

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143,375

Yes it will the 351W is a small-block, up to 1997 when it was discontinued in favor of the 4.6 but Ford began using fuel injection in 1987

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143,375

Not to be confused with the 351 Cleveland, a completely different engine

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16,640

Wow I learned something today! I had no idea they made the 351 that long. Thanks Fordnut. Since I learned something already today I can turn my brain off and look forward to the weekend, LOL

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143,375

It was not in trucks after 1986, Mustangs and some others though

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16,640

Ahhhh ok. So I'm not totally losing my mind, LOL.

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143,375

It had a different cam and heads, and valves, from '86 to '97 for the cars sacrificing some low-end torque for more HP for the cars

16,640

Well that does make sense. I thought the Mustangs had 302's in them until 1993 when they ended the Fox body? The 351 in the crown vic, Marquis, Town Car and Super Duty trucks makes sense.

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