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Post by john442 on Nov 6, 2018 20:04:19 GMT -5
I'm confused about which carbs and manifolds were used on 400 motors. I think I've heard that both the 4GC and quadrajets were used and the manifolds for the 4GC must be the one with 4 holes the same size while the quadrajet used a manifold with larger holes for the secondaries. Am I correct in this thinking or was the 4GC only used on the 330 motor?
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Post by sascha on Nov 7, 2018 1:02:06 GMT -5
Check BRO`s homepage which you find at the bottom of the forum and you find all answers
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Post by sascha on Nov 7, 2018 1:03:25 GMT -5
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Post by joepadavano on Nov 7, 2018 13:20:24 GMT -5
I'm confused about which carbs and manifolds were used on 400 motors. I think I've heard that both the 4GC and quadrajets were used and the manifolds for the 4GC must be the one with 4 holes the same size while the quadrajet used a manifold with larger holes for the secondaries. Am I correct in this thinking or was the 4GC only used on the 330 motor?
All 1965-older 4bbl Olds motors used the 4GC. All 1966-up 4bbl Olds motors used the Qjet. There is no confusion about this.
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