Re: My 78 K15 High Sierra build - Fish Tremble
Haha! Well, since mine is out of a newer style blazer, I'm going to keep the hole because the fan is mounted on the outside of the firewall just like the old one. Newer aftermarket units move the entire assembly under the dash, so you wouldn't need the hole. Are you going with something like a Vintage Air unit or something along those lines?
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