Thermoquad on a Chevy 454?
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Thermoquad on a Chevy 454?
I'm having problems with my Edelbrock 1407 and my Quadrajet 17058213 so I found a brand new Thermoquad 9265-s on Craigslist and I bought it right away. I had one years ago on a 1977 Dodge 440 and it ran great. I soon realized that I've never heard of anybody bolting a TQ on a Chevy spreadbore manifold, yes the TQ is a spreadbore carburetor but it has 8 vacuum ports, the EB has 3 and the QJ has 4 so you can see that I'm a bit confused plus I can't find any port identification info online! "FRUSTRATED"! Can somebody help me figure out how to install this TQ on my mid 70's Chevy 454?
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Joined: Nov 2009
Posts: 148
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From: new brunswick,can
Engine: 350sbc
Transmission: TH700R4
Axle/Gears: 3.42
Re: Thermoquad on a Chevy 454?
The thermoquad is a good carb.they where avalible in 750 and 800 cfm
Also in a 1000 cfm via speed shops.
Sorry I can't help with the vaccum port problem.but I will look around to see if I can find something.
Also in a 1000 cfm via speed shops.
Sorry I can't help with the vaccum port problem.but I will look around to see if I can find something.
Thread Starter
Junior Member
Joined: Oct 2013
Posts: 5
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Joined: Oct 2009
Posts: 215
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From: Central Ks
Car: 1985 Pontiac Firebird S/E
Engine: 350, .5 lift cam, Holly 650
Transmission: Monster Transmission 700R4-2K stall
Axle/Gears: 4th gen 10 bolt, 3.42
Re: Thermoquad on a Chevy 454?
Were there any differences in linkages? I am doing the same but for my 350. Any possible issues?
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