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Dual Quadrajets ?
#1530582
11/09/13 02:43 PM
11/09/13 02:43 PM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
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Posts: 27,421
Balt. Md
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Got my latest issue (Nov 13) of Muscle Car Review and it has a nice write-up about Dick Harrel and Nickey Chevy and how they put a 427 in one of the first Camaro's in late 1966. They said with 8" slicks and 4.56 gears it ran 11.90's @ 114. But then it says they took of the single Holley carb and put 2 Quadrajets on it and ran 11.40's @ 126 ! Wow 12 mph pick up ? Dont sound right to me but it is a cool write-up. I cant say I have ever seen anyone run dual Quadrajets either ? Ron
Last edited by 383man; 11/09/13 02:45 PM.
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Re: Dual Quadrajets ?
[Re: topside]
#1530585
11/09/13 04:03 PM
11/09/13 04:03 PM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
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Too Many Posts
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OP
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Balt. Md
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Quote:
Might actually work pretty well at lower RPM, what with teh small/higher velocity primaries. 12 MPH would seem to indicate that the thing was starved for airflow with the single carb; that's a big bump, though, maybe something else was tweaked at the same time.
Thats what I was thinking. They dont have a pic with the dual Quadrajets. Ron
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Re: Dual Quadrajets ?
[Re: 383man]
#1530587
11/09/13 04:45 PM
11/09/13 04:45 PM
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Joined: Jan 2003
Posts: 4,720 Moved to N.E. Tennessee
GomangoCuda
master
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master
Joined: Jan 2003
Posts: 4,720
Moved to N.E. Tennessee
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Saw dual q-jets on a Buick in the "70's" I think the same guy had dual t-quads on a tunnel ram.
Last edited by GomangoCuda; 11/09/13 04:47 PM.
In theory, there is no difference between theory and practice. In practice, there is.
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Re: Dual Quadrajets ?
[Re: WO23Coronet]
#1530591
11/09/13 11:00 PM
11/09/13 11:00 PM
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Joined: Jan 2003
Posts: 6,392 nielsville, minn.
quickd100
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master
Joined: Jan 2003
Posts: 6,392
nielsville, minn.
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Yep....That be me. They cost little or nothing and with a bit of tuning they can scream. I made 18 dyno pulls on the 528 to get them where I wanted them but it was well worth it. On the 605, IF I drive it nice it geats 10mpg. That's with 4.56 gears, 10" TA convertor, and a custom Bullet solid roller that's 288/292 duration@.050 and .767 lift on the intake. I love thermoquads, on Speedtalk one guy quoted a Rochester Carb engineer that said; (The thermoquad is the next step in evolution of the spreadbore after the quadrajet.) Dave
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