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Old 09-08-2006, 18:50   #1 (permalink)
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90 F-150 302 carb conversion

Hey, I've got a 302 from a 1990 F-150 that I'm converting to carb, and putting in my 82 RX-7. I'm trying to figure out which distributor I need to use, I know that if its a roller motor i need an 85 mustang GT(manual trans) distributor, or if its a non-roller i can use any earlier carb'd dizzy.

So is my motor a roller or not? I've been searching and keep coming up with conflicting answers! I've read that all 302's after 85 are rollers, and i've also read that some aren't. help me!

Thanks in advance
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Old 09-11-2006, 05:38   #2 (permalink)
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Re: 90 F-150 302 carb conversion

All 302W after 1985 are equipped with roller cams.
It's the 351W that typically didn't get the rollers.
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Old 09-12-2006, 00:25   #3 (permalink)
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Re: 90 F-150 302 carb conversion

I have a 1986/87 bronco engine with a factory flat tappet cam so 1985+ rule is not always correct. For Mustangs it is, other sbf powder vehicles, especially trucks, it may not be.

Worry not. Just fit a whole mallory distributor, or a mallory distributor gear to your existing distributor. Their distributor gears are compatible with factory roller cams and factory flat tappet cams.

Good luck
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Old 09-12-2006, 11:09   #4 (permalink)
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Re: 90 F-150 302 carb conversion

Actually, I did a little research for you. All passenger car 302s '86 and later had the roller cams. The trucks (and Bronco) did not get the rollers until '93 or '94. You should be flat tappet with that '90 model motor.
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Old 09-13-2006, 19:10   #5 (permalink)
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Re: 90 F-150 302 carb conversion

Soo then I shouuld be able to use any pre-85 carb'd distributor correct?
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Old 09-15-2006, 06:42   #6 (permalink)
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Re: 90 F-150 302 carb conversion

Aye, Cap'n.
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Old 09-18-2006, 04:00   #7 (permalink)
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Re: 90 F-150 302 carb conversion

Yep you could run a pre-85 dizzy, but why would you want to? Golden rule, when you need to replace a part, upgrade it.
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Old 09-19-2006, 16:46   #8 (permalink)
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Re: 90 F-150 302 carb conversion

Even golden-er rule...pay the mortage first....I can get a duraspark for way cheaper than aftermarket, I'm already over budget!
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Old 10-13-2006, 17:52   #9 (permalink)
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Re: 90 F-150 302 carb conversion

Duraspark is all you need
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