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BUSY BOLTERS Are you one?  The Shop Area
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Jul 21st, 2025 | | | | Joined: Mar 2023 Posts: 52 'Bolter | | 'Bolter Joined: Mar 2023 Posts: 52 | Hey folks I have been skimming through but haven't found the information yet. Was going to replace my thermostats on my 67 401 magnum but low and behold i pulled the cover and both holes empty lol. I know they should be 180 degree thermostats but cant find a part number for them or the gasket. Any help would be greatly appreciated from service book (no numbers of course) from 351 to 478 thermostat should be the same.
Thanks in advance
Last edited by Bamafan0001; 07/09/2023 9:25 PM.
| | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | Measure the counterbore in the housing where the thermostat fits and buy one the right diameter. A piece of gasket paper and an X-Acto knife takes care of the gasket. Part numbers are for amateurs who don't know how to improvise.
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: May 2016 Posts: 268 'Bolter | | 'Bolter Joined: May 2016 Posts: 268 | More pearls of wisdom from the illustrious HRL. Sarcasm is alive and well
1949 gmc 1-ton | | | | | Joined: Mar 2023 Posts: 52 'Bolter | | 'Bolter Joined: Mar 2023 Posts: 52 | Hotrod Lincoln that's the next step was trying for the easy route lol. Got the gasket material already from all the other gaskets that have been needed. The entire build has been improvised so far lol hard to find parts for a 7500 been a TON of custom fab so far lol. (Worth it though) | | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | I've also got a 401- - - -a 1960 in an American LaFrance fire truck on a GMC chassis. It's a long way down the project list!
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!
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