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last year I found the right gas cap for another 61 I had. I just bought another 61 and need another gas cap. Did I post the part number here? did anyone save it? I couldn't find it in the napa book this time. the 61s have to be non vented caps. they have a separate vent tube that comes out of
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Re: 61 gas cap
Posted by:
PwrWgnDrvr
(76.220.73.---)
Posts: 1,438
Posts: 1,438
Date: December 23, 2017 12:59PM
You're missing the most critical part of this. When fuel is pumped out of the tank to run the engine, it will create a HUGE vacuum in the tank, which will collapse the tank by atmospheric pressure on the exterior. That is why ALL TANKS MUST BE VENTED, by some method or another. Its just basic physics.
Expansion pressure from gas or fumes is insignificant compared to the vacuum pressure differential.
Plastic trucks suck...
Iron trucks rule...
Expansion pressure from gas or fumes is insignificant compared to the vacuum pressure differential.
Plastic trucks suck...
Iron trucks rule...
| Subject | Views | Written By | Posted |
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61 gas cap
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1189 | Kaegi | 12/17/2017 01:01PM |
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546 | PwrWgnDrvr | 12/17/2017 09:06PM |
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567 | Kaegi | 12/19/2017 12:33PM |
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588 | PwrWgnDrvr | 12/20/2017 12:20AM |
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527 | Klebert L. Hall | 12/20/2017 08:35AM |
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542 | Kaegi | 12/20/2017 11:10AM |
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405 | PwrWgnDrvr | 12/21/2017 11:46AM |
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420 | Kaegi | 12/21/2017 11:57AM |
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387 | PwrWgnDrvr | 12/21/2017 09:13PM |
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356 | Kaegi | 12/22/2017 10:53AM |
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351 | Klebert L. Hall | 12/22/2017 09:44AM |
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369 | PwrWgnDrvr | 12/22/2017 12:25PM |
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366 | Kaegi | 12/22/2017 12:49PM |
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331 | Klebert L. Hall | 12/23/2017 08:52AM |
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365 | PwrWgnDrvr | 12/23/2017 12:59PM |
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569 | swptln | 12/20/2017 08:13PM |
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361 | Kaegi | 12/21/2017 12:04PM |
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329 | swptln | 12/26/2017 07:32PM |
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374 | swptln | 12/26/2017 09:21PM |
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341 | Kaegi | 12/27/2017 10:28AM |
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426 | swptln | 12/27/2017 04:22PM |
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291 | Kaegi | 12/28/2017 12:59AM |
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312 | swptln | 12/28/2017 10:02AM |
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252 | Kaegi | 12/28/2017 10:57AM |
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Re: 61 gas cap
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524 | PwrWgnDrvr | 12/28/2017 10:59AM |