Technical Tips > Pre 84
79 hesitation
StephenSLR:
--- Quote from: anychevy on July 29, 2013, 03:32:22 PM ---This place is also good with Q-jets http://www.carburettorservice.com.au/ if that's the problem.
Don't "throw a Holley on it" it could be something simple and a "properly" functioning Q-jet, is music to the ears.
--- End quote ---
I second that, I bought a reconditioned Q-Jet from CSC back in 2000 for my Torana and until last year I drove it twice weekly, it hasn't missed a beat and I've never had to adjust it.
Another time I had them recondition my electronic distributor when most told me to buy a new one, it's still going strong.
s
Lefty:
Thanks steven.
picture of engine attached - see the blue cover, it has the magneto udner it, and the leads differ from HT elads,
Cheers,
Lefty
bfit:
You would have to think that would through a biggggg spark
no fn about there! I would stay well clear of the leads when it s running
Bfit
72vet:
Hi Lefty, congrats on the purchase of the Vette. :thumb:
I had the same issue with the Rochester on my 72. Spent a small fortune on the darn thing.
We ran the car on the dyno, changed the primary & secondary metering rods, so many times, as soon as we drove the car on the road the hesitation was still there.
Adjusted the “secondary air door” on road but still had the bog down.
If you’re not a numbers matching man, I’d go and buy a new carb, it’ll be a few more $$$ than what you would spend on the rebuild but it won’t be 34 years old and who knows how many bubbers have had their mitts on it over the years.
I fitted a 650 Edelbrock to mine and after having it tuned I’m not complaining. :banana:
And yep, that’s a magneto and I’d take Bfit’s advice.
Nick
anychevy:
--- Quote from: Lefty on July 30, 2013, 01:42:09 PM ---
I fitted a 650 Edelbrock to mine and after having it tuned I’m not complaining. :banana:
--- End quote ---
Q-jets can be intimidating and not a lot of guys want (or know how) to fix them.
Ross Burgess used to be the man for Rochester's, but he's retired (unfortunately)
Yep, it's a magneto, but why ????? And are you sure you have a Q-jet on there ?
If that intake is a "square bore", then maybe an Edelbrock or a Holley isn't such a bad idea.
And I would sell the MAG and stick an HEI back on it as well.
Just my 2c
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