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Old 01-21-2011, 05:20 AM
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5.0 Ford Head swap

I own a 95 F150 5SP with a 302. I am sick of having to down shift to 3rd on the highway at 70 to climb a hill in central VA. I did a little research and found the 5.0 heads from a newer explorer are a far better product. I can get a pair for 200 dollars have them cleaned up for 100 bucks.

Question is all the hassle worth the trouble to swap heads? The truck is completely stock? Also intake and plenum would go with it? And I don't want to cob-job the truck its bone stock reliable and never lets me down. If it involves hacking and what not forget it.

BTW time is a no worry I am an auto tech by day so I would do this on my "slow times at work" and its a 4th vehicle. I don't want to soak more than 500 bucks into the entire project. and 1 manifold is cracked already so I am thinking headers as well.

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Old 01-21-2011, 05:21 AM
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This only bills at 10HRs labor so this has to be the shortest head gasket job ov a V-8 Ive ever seen.
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Old 01-21-2011, 06:27 AM
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Sounds like the engine is just tired and worn..fresh heads will help and i would also look at the cam as high milers will wear the cam down to a point where you are no longer getting the lift and duration to make good power..If your carb and manifold are ok then use what you have and just make repairs or replace as needed any other parts on an as needed basis and you should be fine or at least better off.

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Old 01-21-2011, 06:50 AM
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Those GT40P heads will help, but be advised that OEM exhaust manifolds may not fit around the spark plugs as well as many tube headers. Of course, the engine probably could use a heart transplant as well - like a 351W short block that had been rebuilt. If it's a 4x2 it weighs close to 5K pounds a 4x4 is close to 6K. Then add a 3.55 set of gears, standard tall tires and the 302 is just enough at the best of times
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Old 01-21-2011, 07:45 AM
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what rearend ratio?
3rd@70mph?
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Old 01-21-2011, 08:50 AM
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Quote:
Originally Posted by matts37chev
what rearend ratio?
3rd@70mph?

Or the tag info from the door jamb will give you a code which we can translate (too cold to crawl under to see if there's a name plate on the diff)

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Old 01-21-2011, 09:03 AM
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Quote:
Originally Posted by matts37chev
what rearend ratio?
3rd@70mph?
have you put larger than stock tires on it?
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Old 01-21-2011, 09:05 AM
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I believe about '92-up 302 F150 engines were roller cam-equipped, so you could swap out the camshaft along w/the heads and reuse the lifters- provided the bottom end was sound. If not, the swap to a 351W could make good sense. The engine condition could be checked out before proceeding.

My concern would be that just a head swap alone on the 302 wouldn't give you enough "bang for the sweat", w/o a cam and exhaust upgrade along w/them.
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Old 01-21-2011, 10:43 AM
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Thanks Cobalt thats my fear.

I am now looking at just buying an entire Explorer motor and swapping but then the more I lean on it Down shifting is just easier.

Motor doesn't burn any oil, but I agree its probably a little tired, problem is the trucks been gutless since purchased. I haven't looked at gears they are stock and its 2wd drive open dif. I'll door tag decode it today when I'm home.

Thanks for the heads up on the heads not fitting the manifolds.

What this will turn into is parts for more Factory Five kit car I want to buy once my 20K student loans are paid off. 21 Months to go LOL.

In the end I will probably not do anything yet I only paid 1000 for the truck 5 years ago... (Guy was desparate for cash, and had only driven it 2500 Miles in 4 yrs before I got it the oil stick and reciept was from 2000 and said change at 119000 or January 2001)
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Old 01-21-2011, 11:06 AM
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those kind of trucks are what I call "good ole truck" runs good and is reliable so use it as a parts chaser and dump runs and keep it around for those times you just need a truck for something.

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Old 01-21-2011, 11:19 AM
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Yes I agree its been the longest relationship I have ever had especially with a vehicle, its just sad that it goes back wards at highway speeds with the cruise on.

But oh well I guess I'll jerk the motor when its time to retire the beast and rebuild it for my coupe car.

To bad Ford didn't make it as easy to swap components like Chevy did for so long. Take a 79' chevy truck bolt Vortecs to it and Boom 25 - 40 HP.
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Old 01-21-2011, 12:11 PM
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you may see a 25 hp gain on the GT40P's.. there the head of choice for the Mustang guys, and pretty much like the Vortechs for the Chevy's. the best factory head Ford produced... I'v never heard of any exhaust complications with them, altho the Explorer manifolds are kinda goofy looking
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Old 01-21-2011, 12:59 PM
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Man o man - I really appreciate being contradicted again Matt!!!!

These are GT40P heads. They require a special headers due to spark plug angle and placementThese are on my avatar car!! These are Sanderson FF1-GT40P headers

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Old 01-21-2011, 01:13 PM
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as I said. the Factory Explorer manifolds are goofy looking.. I was not contradicting anyone. I had not heard of any complications. that was not to say there arn't or wouldn't be any.. I'm sorry if you took it that way..
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Old 01-21-2011, 01:30 PM
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I dug up a pic to show what I mean about the manifolds being goofy...
compared to Daves engine, can see how they fit on

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