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Originally Posted by jaros44sr
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You've come to the right place for information from guys that know what they're talking about! These guys have helped me out alot. Hang around it only gets better with time
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Dude, I wish I had your engine compartment. Very clean.
Thanks for the pics, and tips. I agree this site is awesome. I just ditched a 78 for a new to me 72 and finding its somewhat a whole new game.
The PO indicated he had put a new booster and MC on, and they do look new, but the tip off should have been the xtra vacuum can/reservoir. He claimed it was needed because the aggressive cam had low idle vacuum. I find the extra boost to be worse, as you go from really good brakes to somewhat wooden when you exhaust the supply. I'd rather have wood all the time so I know what to expect. (no pun intended).
I added a road demon carb and fixed his goofy dual pcv setup and now get about 17 inches at idle, which I believe should be enough for the booster. Still, when compared to my 1978 this 72 stops for crap. Then again I note the booster is smaller than the 78, and now seem he put the wrong MC on.
Regards
PS> I would consider a booster/mc upgrade (1 tom) but so far all the options are very confusing. Not clear what will just bolt up to the existing firewall and pedal linkage.