440 HP manifolds vs. headers

Richard Samta M said

I had a 69 Valiant that the HPs wouldn't fit. The driver side hit the firewall, too much to hammer it out. The car had the Shumacher mounts, and they should have fit, but didn't.

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While copying the DC K-frame exactly, a friend's '69 Dart couldn't fit the HP B-Body manifolds, but another friend could on his '67 Barracuda. When using the Schumacher mounts, your motor position is mostly fixed, but if using the DC copy, there is the ability to move the motor around a bit to allow for production variances, and permit one to fit the HP manifolds in every '67 and later A-Body.