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post #1 of 27 (permalink) Old 01-20-2013, 08:53 PM Thread Starter
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Bronco Info: 1995 bronco 302 4 inch bds mickey thompson mud terrains
headers

I have a 94 bronco with a 302 efi im not sure if i want to convert to a 351 carb system or not but can anyone suggest some headers that would be compatible with both engines so im not wasting money if i swap motors id like to be able to use the same headers if i swap motors also any more suggestions as far as compatible perfomance parts would be appreciated
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post #2 of 27 (permalink) Old 01-20-2013, 09:18 PM
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Bronco Info: 1990 bronco 5.0, 1979 f150 4x4, with the 400/c6
More exspensive headers the better, cheaps you'll have nothin but problems, me personally headers are nice but not worth the headache, I went back to manifolds ( just my opinion )


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post #3 of 27 (permalink) Old 01-20-2013, 09:18 PM
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post #4 of 27 (permalink) Old 01-20-2013, 09:22 PM Thread Starter
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why do you say they arent worth the headache
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post #5 of 27 (permalink) Old 01-20-2013, 09:48 PM
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I've had nothin but with blowin gaskets, and bolts not holding, I get the same out of manifolds that I did outta headers, the only thing you get with headers is sound and a lil hp, for me not worth it


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post #6 of 27 (permalink) Old 01-20-2013, 09:51 PM
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Manifolds are reliable and always there, headers constantly adjusting and replacing gaskets and bolts just for sound and that you can say you got "headers" (just my opinion and expirence)


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post #7 of 27 (permalink) Old 01-20-2013, 09:52 PM
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post #8 of 27 (permalink) Old 01-20-2013, 09:54 PM
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There really isn't much gain for the cost.
Cheapest way to go is port out a stock OEM Ford manifold.
Dyno tests showed only a 5hp gain with headers over stock manifolds and only 2hp gain over ported stock OEM manifolds on small block Fords all other things being equal. That's an expensive HP mod.

Some guys also complain about fitment issues with headers.
Although if you buy better quality they seem to fit better.

I went with a full Bassani system; ceramic coated headers, high flow cats and stainless exhaust. Not for any expected gains in HP but because I had a cracked exhaust manifold with other leaks in the exhaust system and shot mufflers.

I did it because I wanted a replacement that I would hopefully never have to repair or replace again. But it was expensive. I think at the time the parts ran me about $1200 for the system and I've heard their prices have gone up.

You just might be a redneck if you start a conversation with:
"happened to us when Dad got pinched by the feds."
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post #9 of 27 (permalink) Old 01-20-2013, 10:04 PM Thread Starter
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Bronco Info: 1995 bronco 302 4 inch bds mickey thompson mud terrains
what mods can i do to gain a little horsepower that are compatible with a 351 im just trying for a little more power not anything fancy but im scared to invest money in this 302 if i swap to a 351 id like to be able to swap the parts if i swap motors
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post #10 of 27 (permalink) Old 01-20-2013, 10:53 PM
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Couple of things going on here.

First off, there are plenty of performance upgrades for the 302, so if the only reason you want to swap is for more power it will be cheaper to just upgrade what you have.

Secondly, if you are intent on the swap then I wouldn't recommend you go carbuerated. You will lose HP, mileage over the EFI and carbed motors can have problems off-road when the truck is tilted where fuel injected motors don't have this issue.

And if you are committed to swapping to a 5.8 I would refrain from any performance upgrades to your 5.0. You can find anything you need for swap from another 5.8 donor vehicle since this was a factory option.

You just might be a redneck if you start a conversation with:
"happened to us when Dad got pinched by the feds."
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post #11 of 27 (permalink) Old 01-21-2013, 12:43 AM
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Efi us more work but is better that is why you see guys doing efi swaps over carb. Plus if you have smog where you live you will never pass switching from efi to carb. If you are intent on going carb efi headers will not work for carb since egr tube, heads would be the only things that you could reuse. I hear there's a lot of potential in the 5.0 if you build it right bit me I'm a displacement guy so if I were you I'd just save for the 5.8 swap plus parts on that ie. Edelbrock truck intake and heads then think about exhaust.

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post #12 of 27 (permalink) Old 01-21-2013, 09:09 AM Thread Starter
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Bronco Info: 1995 bronco 302 4 inch bds mickey thompson mud terrains
Im not sure if i want to swap motors yet i have 200000 miless on it and not sure whats left which is why im considering it but what mods can be done on the 302
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post #13 of 27 (permalink) Old 01-21-2013, 10:07 AM
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the mods for the 302 are just about endless,you need to decide what direction you want to go with the truck,off road,DD,speed demon or what.Then you can put together a good combination for your rig.

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post #14 of 27 (permalink) Old 01-21-2013, 07:05 PM Thread Starter
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Bronco Info: 1995 bronco 302 4 inch bds mickey thompson mud terrains
i just want some extra power and not sure what would be the best way to go about it. Intake? Throttle body?rockers? any suggestions would be great
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post #15 of 27 (permalink) Old 01-21-2013, 08:54 PM
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Put a mild rv cam and lifter kit in, you'll notice a big difference


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post #16 of 27 (permalink) Old 01-21-2013, 10:14 PM
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do a ford motorsport "B" cam a good set of heads,1.6 roller rockers and 24lb injectors and mass air flow sensor calibration,then you can get the bigger throttle body.the factory intake works great with some mild porting.

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post #17 of 27 (permalink) Old 01-21-2013, 10:40 PM
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With 200k on the motor, I would start saving for another motor. Decide on a 302 or 351, buy one then do research and start buying parts for it. Have it rebuilt and swapped in. I personally wouldnt put anymore money into a motor with 200k on it over what it takes to keep it running (unless you pull it for a rebuild).

If your trans also has 200k on it, you may very well have to rebuild it after you swap in a fresh motor.

My other car has doors.
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post #18 of 27 (permalink) Old 01-21-2013, 11:37 PM
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x2
That's probably the best advice so far in this thread.

You just might be a redneck if you start a conversation with:
"happened to us when Dad got pinched by the feds."
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post #19 of 27 (permalink) Old 01-22-2013, 09:34 AM
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he asked what parts to make more power,i would go with the 351 swap he talked about doing earlier my self.although i have 220,000 on my 302 and have done several things to it.as long as you have good compression and you check the motor over completely,you can build a high milage 302,but if your thinking about doing a swap anyway then go with more cubic inches,no replacment for displacment.

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post #20 of 27 (permalink) Old 01-23-2013, 08:41 PM Thread Starter
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Bronco Info: 1995 bronco 302 4 inch bds mickey thompson mud terrains
well in that case would i be better off rebuilding the 302 or or putting in a whole new motor
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