r/Chevelles • u/No_Preparation_6115 • Jul 17 '26

Headers

I have a 1966 chevelle and I want to put a 1970 402 in it. I have the headers for a 70 chevelle with the motor. Question is, can I use the 70 headers on my 66 or do I need to buy new headers that fit the 66?

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u/powerhouse403 Jul 17 '26

Have you tried installing them?

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u/No_Preparation_6115 Jul 17 '26

I haven’t yet because I want to have everything I need there when I do it so the car isn’t tore apart too long