1990 302 heads - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #1 of 5 (permalink) Old 07-16-2013, 10:50 AM Thread Starter
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1990 302 heads

Can anyone tell me about the 2 extra holes in the end of these heads? I think that they were for egr set up. I am putting it in a 64 so no need. There appears to be a screw in plug in them. Not a rookie, just no knowledge of these heads. Thanks
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post #2 of 5 (permalink) Old 07-16-2013, 11:06 AM
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Re: 1990 302 heads

Not EGR But AIR ("Smog pump") Air Injection ports
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post #3 of 5 (permalink) Old 07-16-2013, 01:45 PM
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Re: 1990 302 heads

Quote:
Originally Posted by 5.0 Chero View Post
Not EGR But AIR ("Smog pump") Air Injection ports
Yes, quite correct. BTW, those heads respond well to porting and general clean-up. The results are noticeable. John--Las Vegas
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post #4 of 5 (permalink) Old 02-08-2018, 04:50 PM
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Re: 1990 302 heads

A few years back I ported a set off a 1990 5.0. With a stage 1 trick Flow cam, value springs and the porting there was a very good improvement in performance . Very cheap upgrade. roger

Last edited by gtaroger; 02-11-2018 at 06:32 PM.
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post #5 of 5 (permalink) Old 02-02-2019, 06:07 PM
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Re: 1990 302 heads

You can buy some inserts that screw into the holes and block off the holes. Roger
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