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Discussion in 'Engine Topic' started by Nodus, Jan 25, 2018.
Paging @Quadrajet Power
I'll second JET (formerly Jones Carbs). I had them rebuild and modify the Q-jet carb on my 73 z28 back in the mid 90's. They rocked it! Just make sure to tell whomever does your carb all your engine specs (cam, heads, comp ratio, headers, etc) so they can get it as close as possible.
if anyone's got a used and working Qjet and want to sell, lemme know!
also do they sell Edelbrock Jets and rods alone? i don't wanna spend 50$ on a calibration kit to use like 3 parts out of it to tune it like a 1406.
FWIW I swap edelbrock and Qjets on my Caddy and truck and never notice a difference in fuel mileage. The small primaries of the Qjet always feel lazy to me compared to the Eddy. I have had one Qjet that didn't feel lazy so I know a savvy tuner can wake them up. They just need to be a lot richer and get that power valve kicked in sooner.
holy crap take your pick... http://www.ebay.com/bhp/quadrajet-carb
A "Stage 2" QJet from any reputable rebuilder/tuner should work just fantastic on almost any engine that's going to see significant street miles. "Stage 1" is typically a stock replacement and they were ALWAYS saddled with wicked-lean calibrations from the factory. On a motor that's got a cam a little hotter than stock they just SUCK. On anything that's been "warmed up" a bit over stock, a "Stage 2" carb fixes most of the factory calibration shortcomings.
Even "pretty big" changes on a factory QJet are like "baby steps" on a Holley when it comes to the primary idle circuits and primary jets/rods.
Cliff Ruggles is the guy who can build you a Q-Jet for any purpose. He has published books on it ! google him