I want a Quadrajet to put back on my '80. I bought one off of eBay for cheap wanting to rebuild it, but it's for the California 305ci engine and won't work for me without a computer. I need another one, but I'm not 100% what to buy. I really want to rebuild one so that I can understand exactly how they work because right now, they are a mystery to me. Even if I have to pay someone to rebuild it after I screw up, I'm still taking one apart to learn from.

I have Lars qjet rebuild paper and can decipher the carbs based on their part number now, and understand that during the rebuild I can choose the rods and jets for my application. Are there really any big differences between various versions that have been offered by GM through the years? If I recall correctly, Lars paper said that basically all Qjet's are the same with various sized rods, jets and springs.

All I know is that I want an electric choke, which I believe is on the carb I'm looking to buy. After that I'm not sure what to look out for.

 

from 75 to 80 they had the aneroid metering circuit. There is a sealed bellows in there that increases the richness as barametric pressure increases.

 

If you want to hook up your carb to the ECM (computer) you'll need a Q-jet E4ME model!
The E4ME has all the electrical gadjets to make it work with a ecm.

Groeten Peter.

 

He doesn't have an ECM, so he can't use an E4ME carb.

Ak. Mal -
You can run any Chevy passenger car Q-Jet from 1975 through 1980, except 1980 305 California as you've noted. Be sure the carb you choose is a passenger car carb and not a truck carb, as the primary metering rods are different. The 1975-1979 carbs use a hot air choke that can be converted to electric by simply installing a 1980 electric choke unit inthe carb (available from Edlebrock). The following carb numbers will work great, and all will produce the same excellent level of performance:

7045200 Chev 75 454 AT Chevelle/Monte
7045202 CHEV 75 CAMARO
7045203 CHEV 75 CAMARO
7045206 CHEV 75 350 NOVA FED A/T
7045207 CHEV 75 350 NOVA FED M/T
7045210 Chev 75 FEDERAL AT HIGH PERF VETTE
7045211 Chev 75 FEDERAL MT HIGH PERF VETTE
7045221 CHEV 75 454 CHVL & MONTE CNDA A/T
7045222 Chev 75 AT ALL VETTE
7045223 Chev 75 FEDERAL MT VETTE
7045224 Chev 75 CHVL, MONTE 400 CA A/T
7045228 Chev 75 400 FEDERAL AT Chevelle/Monte
7045294 CHEV 75 350 CHVL & MONTE CNDA A/T
7045502 CHEV 75 CAMARO 350 CA A/T
7045503 CHEV 75 CAMARO 350 CA M/T
7045504 Chev 75 350 AT CALIFORNIA
7045506 CHEV 75 350 NOVA CA A/T
7045507 CHEV 75 350 NOVA CA M/T
17056202 CHEV 76 350 CAMARO FED A/T
17056203 CHEV 76 350 CAMARO FED M/T
17056206 CHEV 76 Vette & Nova A/T
17056207 CHEV 76 Vette & Nova M/T
17056210 Chev 76 FEDERAL AT VETTE
17056211 Chev 76 FEDERAL MT VETTE
17056226 Chev 76 FEDERAL AT A/C VETTE
17056281 CHEV 76-77 CHVL, CAMARO CANADA
17056282 CHEV 76 NOVA, VETTE CANADA
17056286 CHEV 76 454 A/T CANADA
17056502 CHEV 76 350 CAMARO CA A/T
17056503 CHEV 76 350 CAMARO CA M/T
17056506 CHEV 76 Vette & Nova A/T Calif
17056507 CHEV 76 Vette & Nova M/T Calif
17057202 CHEV 77 CHVL, MONTE, VETTE 350 AUTO
17057203 Chev 77 FEDERAL MT NON-A/C VETTE
17057204 CHEV 77 CHVL, VETTE 350 AUTO A/C
17057210 Chev 77 HIGH PERF NON-A/C VETTE
17057211 Chev 77 HIGH PERF A/C & NON-A/C VETTE
17057228 Chev 77 FEDERAL A/C VETTE
17057502 CHEV 77 350 NON A/C AUTO CALIF
17057504 CHEV 77 350 A/C AUTO CALIF
17057582 CHEV 77 350 HI ALT NON A/C
17057584 CHEV 77 MONTE CARLO, HI ALT. A/C
17058202 CHEV 78 VETTE 350 FED NO A/C A/T
17058203 CHEV 78 FED VETTE A/C & NON-A/C 4-SPD
17058204 CHEV 78 VETTE 350 FED A/C A/T
17058210 CHEV 78 FED VETTE NON A/C AUTO
17058211 CHEV 78 FED VETTE H.P. A/C & NON 4-SPD
17058228 CHEV 78 FED VETTE H.P. A/C AUTO
17058282 CHEV 78 CANADA Z-94 CAMARO NO AC
17058284 CHEV 78 CANADA Z-94 CAMARO AC
17058502 CHEV 78 VETTE 350 CA NO A/C A/T
17058504 CHEV 78 VETTE 350 CA A/C A/T
17058582 CHEV 78 VETTE 350 HI ALT. NO A/C A/T
17058584 CHEV 78 VETTE 350 HI ALT. A/C A/T
17059203 CHEV 79 FED VETTE A/C & NON 4-SPD
17059207 CHEV 79 305 EL CAMINO M/T
17059210 CHEV 79 VETTE L-82 H.P. NON-A/C AUTO
17059211 CHEV 79 VETTE L-82 H.P. A/C & NON 4-SPD
17059216 CHEV 79 305-350 CAMARO A/C
17059217 CHEV 79 305-350 CAMARO NO A/C
17059218 CHEV 79 305 MALIBU 2.29 AXLE NO AC
17059222 CHEV 79 305 MALIBU 2.29 AXLE AC
17059228 CHEV 79 VETTE L-82 H.P. A/C AUTO
17059282 CHEV 79 CANADA Z-94 CAMARO NO A/C
17059284 CHEV 79 CANADA Z-94 CAMARO A/C
17059504 79 SKYLARK, NOVA, CAMARO VETTE CA
17059582 CHEV 79 305 MALIBU NO A/C
17059582 CHEV 79 VETTE 350 HI ALT. NO A/C
17059584 CHEV 79 305 MALIBU A/C
17059584 CHEV 79 VETTE 350 HI ALT. A/C
17080201 CHEV 80
17080202 CHEV 80
17080204 CHEV 80
17080205 CHEV 80
17080206 CHEV 80
17080207 Chev 80 VETTE M/T
17080212 CHEV 80
17080213 CHEV 80
17080215 CHEV 80
17080224 CHEV 80
17080228 CHEV 80 Vette L82 A/T

 

Thank you for the advice. As for the electric choke, could the electric choke from the E4ME carb that I already have be adapted to an earlier carb from your list?

 

Thanks Lars - I to am in a similar boat. This will help me in my search also.

 

The electric choke from an 80-81 Q-Jet will bolt right into a 1975-1979 Q-Jet. Just be sure you install it without the cover gasket, or the choke will not be grounded. Also, cap off the hot air inlet to the choke housing, since the carb pulls a slight vacuum on the housing when used with the hot air system.