Thread: speedster head info been working on a set
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Old 12-18-2020, 10:36 PM
74Grandville 74Grandville is offline
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Location: Plainville, CT
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Originally Posted by JD View Post
I checked the set I have with Edelbrock head guide plates and they line up. Not sure if stock will work.
stock Guide plates doing quite fit, they probably moved the valves like E-heads.

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1979 Firebird Trans Am 301/4spd (Now 428)
1977 Firebird Formula 400/Auto
2007 Grand Prix GXP 5.3L
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