302 questions
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Junior User
Joined: Dec 2005
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So do you think I need to swap the cam out to a new one? There a good chance the old one is truly junk because of the lack of oil changes over its life time correct? If so I will just leave it sd for now and buy a sd cam for it.
Any tips on buying a sd cam kit?
Any tips on buying a sd cam kit?
Lead Driver
Joined: Nov 2002
Posts: 9,558
Likes: 45
From: Concord, NC
I thought you were wanting to swap in an entire HO engine from a mustang. I wouldn't just replace the truck cam because the oil wasn't changed regularly. That's assuming you are talking about the truck cam being worn from lack of oil changes.
The mustang has a roller camshaft with roller lifters, so it is less likely to be damaged by dirty oil. Take the HO engine that you were given/bought/whatever, get roller lifters, pushrods, and rockers for it and install it in your truck with the truck intake manifold and wiring and computer. The stock HO cam should be alright on the truck speed density setup until you can afford to convert to MAF. Don't bother with swapping cams; it's too much hassle to swap it twice. Just wire the spark plugs in the HO firing order; the injectors will take care of themselves since the truck computer fires 4 injectors at once.
The mustang has a roller camshaft with roller lifters, so it is less likely to be damaged by dirty oil. Take the HO engine that you were given/bought/whatever, get roller lifters, pushrods, and rockers for it and install it in your truck with the truck intake manifold and wiring and computer. The stock HO cam should be alright on the truck speed density setup until you can afford to convert to MAF. Don't bother with swapping cams; it's too much hassle to swap it twice. Just wire the spark plugs in the HO firing order; the injectors will take care of themselves since the truck computer fires 4 injectors at once.
Freshman User
Joined: Jan 2006
Posts: 37
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From: Altus, OK
Why do you want to swap to MAF? There is really no "performance gain" to be had by swapping it on a basically stock motor. Unless you are radically changing the engine (i.e.-stroking it, aftermarket aluminum heads, larger than an HO cam ) your existing SD should work just fine.
Are you going to be drag racing this truck? If none of the above applies, I would re-think the situation. Just trying to save you some time and $.
Are you going to be drag racing this truck? If none of the above applies, I would re-think the situation. Just trying to save you some time and $.
Freshman User
Joined: Jan 2006
Posts: 37
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From: Altus, OK
You will not need to switch to MAF for those minor mods, as long as you don't install anything bigger than an HO cam. It is more to do with the vacuum the engine produces....bigger cam - less vacuum.
A correctly tuned SD will run as good as MAF.
Spend you $ elsewhere..........just my two cents.
A correctly tuned SD will run as good as MAF.
Spend you $ elsewhere..........just my two cents.
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Junior User
Joined: Dec 2005
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True, I just thought it would help smooth out the engine revs, and again a bit better mpg.
Im starting to rethink the the ma swap, because I could buy a lift kit for about the same price.
Im starting to rethink the the ma swap, because I could buy a lift kit for about the same price.
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Hotshot
Joined: May 2004
Posts: 12,170
Likes: 5
From: The hills of No. Calif.
I was thinking I'd have to do a MAF conversion on mine as well, and to that end I found a '95 Cougar in the boneyard with MAF. I could have all the stuff I needed for $250. But in rethinking, I decided the build was too mild to need it. I might go MAF later, if I change the intake, throttle body and injectors. Of course, that would allow me to change the cam, too.
I used mildly ported GT40P heads, long-tube 1 1/2" headers, and a Crane 444211 SD-compatible cam. Other than that it's all stock so if that combo doesn't cause a problem for the SD system, I don't see why yours would.
Yeah, spend your money elswhere. When you're not looking for a MAF conversion, one will probably just fall into your hands cheap!
I used mildly ported GT40P heads, long-tube 1 1/2" headers, and a Crane 444211 SD-compatible cam. Other than that it's all stock so if that combo doesn't cause a problem for the SD system, I don't see why yours would.
Yeah, spend your money elswhere. When you're not looking for a MAF conversion, one will probably just fall into your hands cheap!
Hotshot
Joined: May 2004
Posts: 12,170
Likes: 5
From: The hills of No. Calif.
Is there something wrong with the lifters you have? Roller lifters can be reused, as the roller on the bottom of the lifter doesn't "wear in" to the cam like a flat lifter does. And yes, you can reuse pushrods and rockers.
I'd stay with the 1.6 ratio.
I'd stay with the 1.6 ratio.
Last edited by TigerDan; Jan 22, 2006 at 09:55 PM.
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Junior User
Joined: Dec 2005
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I want to use the H.O. cam, and I thought that my truck engine wasn't a roller. The H.O. I have didn't come with lifters pushrods or rockers so Im forced to buy roller lifters.
Plus wouldn't it be safer putting new ones in? I would love to save the cost of new lifters if I could, I have another 302 but I dont know if its a roller if it is I could use those.
Plus wouldn't it be safer putting new ones in? I would love to save the cost of new lifters if I could, I have another 302 but I dont know if its a roller if it is I could use those.
Hotshot
Joined: May 2004
Posts: 12,170
Likes: 5
From: The hills of No. Calif.
Thread Starter
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Junior User
Joined: Dec 2005
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I have never done something like this before so please forgive all my questions, I just dont want to screw anything up. I just want to be 100% clear going into this.
Thank you for everyones help, Joe
Thank you for everyones help, Joe
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