Q-jet tuning
03-26-2004, 09:06 AM
#1
Intermediate
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Location: virginia beach va
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Q-jet tuning
I just rebuilt my Q-jet an now I have a dead spot on the low RPMs. were should the mixure screws be set. and is there any other setting on the carb.
03-26-2004, 09:17 AM
#2
Le Mans Master
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Location: Coming home from Luckenbach Texas
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Re: Q-jet tuning (Deep sea vet)
You can get a copy of Lars' QJet tuning paper over at http://www.corvettefaq.com :yesnod:
03-26-2004, 09:21 AM
#3
Instructor
Re: Q-jet tuning (Deep sea vet)
Try 1&1/2 turns out as a starting point for the air adjustment screws. Fine tune from there. good luck :thumbs:
03-26-2004, 09:41 AM
#4
Re: Q-jet tuning (Deep sea vet)
... is there any other setting on the carb.
Assuming the rest of your engine is untouched (you haven't changed your camshaft, adjusted your ignition timing, no vacuum leaks, etc) I would say the next step is to figure out whether you are running lean or rich at idle. Try a forum search or even better, check out these articles written by Lars (Q-jet guru).
http://forums.corvetteforum.com/zerothread?id=431354
http://www.corvettefaq.com/listing.asp?group=1&sub=11
:cheers:
