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Mod | | | Forums66 Topics128,037 Posts1,055,466 Members48,424 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Nov 2017 Posts: 41 Fixer of Things I Probably Broke | | Fixer of Things I Probably Broke Joined: Nov 2017 Posts: 41 | I've got an auto choke Rochester BC that is currently set up for manual choke -- because... FUN!
However, the auto-choke vacuum port just keeps sucking in outside air. Is it fine to just cap this off hard? Or is the carb relying on that extra air intake for something besides heating the spring? (Ie, do I need to slap a filter on it).
1953 Chevy 3100 Frankentruck with 235 and mostly original bits.
| | | | | Joined: Feb 2004 Posts: 29,751 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,751 | It's already ruined with the manual choke conversion. Go ahead and plug the port- - - -it won't make things any worse.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Mar 2003 Posts: 1,132 Shop Shark | | Shop Shark Joined: Mar 2003 Posts: 1,132 | cant get a temp indication on the gage. How can I check the sender to see if its working? | | | | | Joined: Mar 2010 Posts: 10,272 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,272 | The only way to test the sender is to apply heat to it (run the engine for a while). If the gauge doesn't move when the sender is heated up, you either have a bad capillary tube/bulb or a bad gauge. Either way, you need another gauge/sender assembly.
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
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