It seems like I've read before that some qjets have idle mixtures screws that thread in for rich and out for lean. And that there was a way to tell from outward appearances.
CK5
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Qjet mixture screws, are some opposite of normal?
- Thread starter mrk5
- Start date
If there is, I've never seen them. They are all pointed "tips", that tip closes off the passage as they are screwed in.
That's gathered from 20 or so Q-jets I've played with, from the 60's to the mid 80's, CCC and all.
That's gathered from 20 or so Q-jets I've played with, from the 60's to the mid 80's, CCC and all.
not that I know of...
Some Holley crabs(oops--CARBS!) have the idle screws set up that way,the older 4150/4160 style,mostly the ones with 4 idle mixture screws(but not all!)...NO quadrajets were like that to my knowledge though--I could be wrong,but after working on GM's since my teens,and working in parts stores and junkyards for 20 years,I havent seen one like that yet--so if they DO exist,and you find one,its rare!....
Some Holley crabs(oops--CARBS!) have the idle screws set up that way,the older 4150/4160 style,mostly the ones with 4 idle mixture screws(but not all!)...NO quadrajets were like that to my knowledge though--I could be wrong,but after working on GM's since my teens,and working in parts stores and junkyards for 20 years,I havent seen one like that yet--so if they DO exist,and you find one,its rare!....
Mad-Dog
1/2 ton status
Nope, all Quadrabogs (M4 and 4M) series have the same configuration on the idle air screws.
Only some emissions oriented Holleys had that feature.
Only some emissions oriented Holleys had that feature.
Okay, must be the holley I was thinking of. My cuda came with a factory holley, and it may have been my research for that little project where I came across that.
Too many projects, and it doesn't help when they are from different manufacturers that only have firing order in common.
Too many projects, and it doesn't help when they are from different manufacturers that only have firing order in common.
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