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BUSY BOLTERS Are you one?  The Shop Area
continues to pull in the most views on the Stovebolt. In August alone there were over 22,000 views in those 13 forums.
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| | | Forums66 Topics126,777 Posts1,039,270 Members48,100 | | Most Online2,175
Jul 21st, 2025 | | | | Joined: Nov 2005 Posts: 123 Shop Shark | | Shop Shark Joined: Nov 2005 Posts: 123 | Redid the head on a 56. 235. Putting new things on trying to get things right. Is it important to put a new distributor vacuum advance on or can I run with get old one | | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | If the old one worked, use it. | | | | | Joined: Jul 2010 Posts: 592 Shop Shark | | Shop Shark Joined: Jul 2010 Posts: 592 | There is a simple way to test the old one...blow into it and then suck on it! If the diaphragm is good, you'll get positive resistance when you blow and suck and will feel it hit its stops. If the diaphragm is bad, you'll be able to blow or suck air past it. You can do it with a Mityvac pump, but the lips work just as well. Back in the day when cigarettes were more common, I've seen folks blow cigarette smoke into the vac advance. If smoke came out, it had a bad diaphragm.
Matt | | | | | Joined: Mar 2010 Posts: 10,059 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,059 | A working 60 year old original will likely outlast a Chinese replacement.
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | Nice, Matt
Correct, Carl
Use it, if it passes the sucking test, ecac34 | | |
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