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Old 11-24-2021, 03:12 PM
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Default Q-Jet Mystery

OK at 1st glance on the new to me 67 Sprint Firebird it looked to have the incorrect Q-Jet installed, it looks like a 68-72 Chevy style housing with the stamped part number, not the round tag but after looking up the numbers stamped into the body they seem to indicate a 67 Pontiac California Emissions automatic carb? Almost correct as the car is a Manual.
The car was assembled in the 3rd week of June 67, so it would be a late production car. Did they start using the 68 - 72 carb bodies before the end of the model year? Or is this a restamp or service replacement?
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67 Sprint Firebird 230 OHC-6 4-Speed A/C
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  #2  
Old 11-24-2021, 04:24 PM
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unruhjonny unruhjonny is offline
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Default

Sorry to poo-poo on what seems like a mystery.

This looks totally legitimate, all day long.

The OHC sprint Quadrajets used a fuel bowl with a side outlet filter - these are the only Pontiac Quadrajets to do so.

That particular Quadrajet is a service replacement;
The second line date code reads: 0364
That date code translates to the "thirty-sixth day of 1974" (5th of February 1974).

I have observed that in some instances the service replacement carb sold by GM some time immediately following the car's model year was one which was stamped with the automatic transmission application code;
Some great examples are:
1968 Ram Air (all) = 7028276
1969 Ram Air (all) = 7029270
1970 Ram Air (all) = 7040270

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Old 11-24-2021, 06:58 PM
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Default

Good to know, I was suspecting it was a SR carb. But I am not a Q-jet expert, I know just enough to be dangerous with the numbers. I had just never seen a 66-67 Q-Jet with the numbers stamped on the main body before. I am well aware the 66-67 Sprint Q-jets used the side fuel inlet like a Chevy. The 68-69 version have the straight fuel inlet like a standard Pontiac Q-jet.

Thanks for the input, any knowledge is welcome! So it may be a legit SR Carb.

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Jeff R
67 Sprint Firebird 230 OHC-6 4-Speed A/C
78 Catlina Safari, Soon to be Pontiac 400 powered
77 Astre Formula, 215 Buick V-8 T-5
73 Lemans Safari, 400 4bbl 4-speed
71 Catalina Enforcer, 455 4bbl
06 Mallet Solstice #024 LS2, Now with a Tremec 6060 6-speed!
09 Solstice Coupe, 2.4 Ecotech 5-speed manual
2012 F-150 Echo Boost (My local Ford Dealer SUX!!!)
2020 Dodge Charger Scat pack
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Old Today, 05:04 PM
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Jeff Hamlin Jeff Hamlin is offline
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Jeff,
I have that number listed for;
1967 F-BODY 2nd Type. AT, with A.I.R.

On my tag chart, it's listed as California "GREEN TAG" sorry no other info.

MT I show as 7037269

So looks like somewhere in its life, the carb has been changed.

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Last edited by Jeff Hamlin; Today at 05:20 PM.
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