Re: 1971 GMC Donald
Following along with the Sloppy Mechanics recipe for big power, I installed a 3"x31"x12" intercooler.
Lots of measuring, eyeballing, googling, and contemplation were involved in this portion because I wanted everything to line up and keep the radiator in the stock location, but maintain the largest gap between the intercooler, radiator, and not hit the grill.
I totally whiffed on the passenger side and now have a "fresh air intake" hole in the lower core support, but I wasn't overly concerned with damaging my core support being that it is rust damaged under the original battery mount.
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