1964 GMC 1500 "crustine" semi- build.

[beanstock]

Originally Posted by rusty76

Can you explain to me what a magnum intake is? What it came off of and so on. Pretty cool intake.,A magnum intake has the larger ports and used the large base two barrel whereas the non-magnum had baffles and a small base two barrel. Magnum intakes would have been on Magnum engines...351M, 401, 478 and others.

so,let me see if i understand, when you got the truck it already had the magnum
engine swaped in for the orginal 305 E, then you had the intake milled down for the adatper plate so a 4 bbl could be fitted.??