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Old 08-14-2023, 07:31 PM   #15
67carry-all
Senior Member
 
Join Date: Jul 2008
Location: Central Coast, CA
Posts: 255
Re: 2-bbl or 4bbl for 292?

1) It’s been a while since I first posted about deciding 2bbl vs 4bbl, thought it was time to update the yet on-going saga. While I was deciding on which way to go, I came across a CL ad for an old Rochester 4-jet. I had one years ago on a small V-8 and remember it working well. On-line reference put the cfm of the smaller 4-jets at 486, should be good for a 292. Plus, asking price was $25(!). So, decision made. I picked up the carb, which had had some abuse in it’s long life, but nothing unfixable. Some cleaning and a carb kit later, it was ready to go.

My Offenhasuer intake is an older version with small, nearly square mounting holes. An adapter would need to be fabbed. I sketched out my idea on a piece of paper, my son put it into the computer and printed out a 3-D plastic model. Adjustments in hole placements were fine-tuned, then the data was sent out to an on-line metal laser-cutting service. A few days later, the part was in-hand...
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