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Re: Cast header question
By gum, finally a header company that does something right, Here is the diagram from their cast LS header page. Real drawings with real measurements. https://www.holley.com/products/exha.../parts/8501HKR
Save it to your computer off this or off their website and you have it to expand and study. I'm thinking the measurements on 62C30's 61 are within frog hairs of the 47/54 in that area though.
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Founding member of the too many projects, too little time and money club.
My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
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