#62147 - 12/15/10 04:21 PM
Re: Ebay internet find lump ports.
[Re: SCRAPIRON, #4711]
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panic
Active BB Member
Registered: 01/11/05
Posts: 1346
Loc: Hempstead, Long Island, NY
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I think a lot of it is personal preference and tuning abilities.
Some of it has to do with your prior experience. If you tried everything you could think of, and it still leaked, blah you're not likely to recommend one.
I've had nothing but good results with QJ since my 1st adventure in 1970, so I'm comfortable with them.
OTOH, Carter ThermoQuads make me nervous, even though my 1974 Dart 360 runs just fine.
Some older stuff can be sorted out, if you just do some homework. Here's an older example for Harleys: http://www.victorylibrary.com/L-BK.htm
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#62159 - 12/16/10 03:42 PM
Re: Ebay internet find lump ports.
[Re: Beater of the Pack]
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preacher-no choir
Active BB Member
Registered: 01/26/10
Posts: 401
Loc: left out
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Doug Roe was probably the first guy out with a Rochester book, back in the early '70 that covered Q-jets. He used them on as little as Chevettes and up to of course the 455 Buicks,Pontiacs,Olds, and the 500 inch Eldos. Like a Weber almost every thing is tuneable. Many parts are getting hard to find since everybody has gone to FI. They had a double pumper features, and with the metering rods both primary and secondary,you could change the sizes as well as the tapers, a lot of flexibility, adjustable secondary air valve,different rate power piston springs and flowed stock to 800(+). Wish I had 4 or 5 more of them now. Mercedes, on their carb'd V8's had their version of them. Imitation is the most sincere form of flattery.
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