QJ identify ?? - Team Camaro Tech
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post #1 of 5 (permalink) Old Dec 17th, 08, 02:14 PM Thread Starter
 
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QJ identify ??

After fighting with 3 "commercially rebuilt" QuadraJets on my 72 base 350 Vette......I tried an old one that has sat on my basement shelf for over 12 years. I runs like a NEW one.

Can anyone ID it for me....starting off with the digit 1 throws me off a bit.

17058213
0588 BJB Thanks.....
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post #2 of 5 (permalink) Old Dec 17th, 08, 02:34 PM
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Lane
 
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Re: QJ identify ??

17058211 is 4 bbl 78 350 vette manual hi perf w,w/o ac
17058228 is same except auto w ac

17058213 not in me book!
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post #3 of 5 (permalink) Old Dec 17th, 08, 02:58 PM
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Wink Re: QJ identify ??

The 1705X213/212 series carb.s were a popular Q-Jet used on 77~79 350's for 49-state/Federal emissions requirements and are not really tracable to any one specific vehicle application ...
They were used across the board at GM on many 350's installed in GM vehicles - note: in many documneted cases the 'odd' last digit numbered carb. sequences are found in Automatic application's, where there really should have been an 'even' last digit.
I owned a couple late 70s Pick-ups with this exact carb - and still own one of them.
You have to remember that by this time that engine was just really an RPO-LS9, no matter what vehicle it was installed into - it was just a run of the mill 350.

As far as decode, it would be as follows;
1 = post 1975 production
70 = Q-jet application from the Rochester assembly plant
5 = 1970's production
8 = 1978 year of production
2 = 49-state/Federal emissions calibration
1 = GM/Chevrolet division use - although many BOP vehicles built with "Corporate" 350's recieved these carb.s without their specific division identifier being used - conjecture is that they were supplied to the assembly plant under a Chevrolet originated purchase/specification system and identified as such.
3 = 'odd' number would normally indicate a manual application, but see note in above information, an 'even' number like 2 would have been the normal indication of an Automatic application.

1968 Convertible
Some trucks
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Other V8 things - some of which float
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Other V6 things - none of which float
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Oh yeah, and 1 "Straight-Six" ...
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If a man says something in the garage - and his wife can't hear him - is he still wrong !!!
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post #4 of 5 (permalink) Old Dec 17th, 08, 04:36 PM Thread Starter
 
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Re: QJ identify ??

Thanks for the replies!.....this might be best this 53,000 mile 72 has run in a LONG time.

I have had fits with rebuilt Q-jets....especially from the discount parts stores like autozone....advance....etc.

I can't recall where this filthy old carb came from. I thought it was the original carb off my 70 GMC c1500 but that may not be correct.
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post #5 of 5 (permalink) Old Dec 17th, 08, 06:03 PM
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Re: QJ identify ??

It's actually a truck carb with a 350 engine.


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