91 octane to stop vapor lock?
If you look at the picture closely, I think the original poster is running a setup like this. The routing off the filter goes to the 71 style vapor return hard line on the top back of the passenger side inner fender.
Were as the body long fuel hard line is supplied at the passenger frame rail down below.
A front pump is no damn good. You need to consider building a vapor return. Go dance around slant six . org. SOMEWHERE there is an article specifically on slants and fuel problems.
On mine, a 360 then 318, I finally went to EFI. "But before" that the best things I did was to go to a rear mount pump, vapor return system, and a nice carb isolator / spacer. Wix 33040 (5/16) or 33041 (3/8) filters have a 1/4" fitting with a return orifice
If you look at the picture closely, I think the original poster is running a setup like this. The routing off the filter goes to the 71 style vapor return hard line on the top back of the passenger side inner fender.
Were as the body long fuel hard line is supplied at the passenger frame rail down below.