Archive: Carburetor

Problem report (what else)

Apologies for the complete lack of posts in 2012! – progress is not quite as ongoing as I would’ve hoped… Anyway, last summer I purchased a cast iron 4bbl intake (not date correct, but that doesn’t bother me too much). Here it is:       This was a typical eBay “perfect working condition”… clear, heavy rust pitting at the exhaust crossover and water ports. My engine shop suggested any…
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Problems fixed. Took her out for a “spin”

Kind of, but we’ll get to that. A quick before and after. Before, I had a surging idle (from 660 up to 940 rpm at the worst of times) with random stalls and weak vacuum (~ 14 inHg). Now, I have rock-steady idle (850 +/-10 rpm) and good strong vacuum (18 inHg). Here’s a video showing the typical readings I get, both ‘before’ and ‘after’ the fix. Vacuum gauge on…
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Rochester Quadrajet Carburetor Rebuild

How to rebuild a Rochester Quadrajet carburetor. For now, this is just a dump of all the remaining pictures I have of the rebuild process (unfortunately a few got corrupted on my failing hard drive). In time I will write the article step-by-step and arrange the photos in a logical order. For now, the photos may be of some help as a reference. Click on any image to view larger.…
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