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| 40HP Blown Head Gasket http://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=75211 |
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| Author: | OctoberHouses [ Thu Jul 30, 2020 8:20 am ] |
| Post subject: | 40HP Blown Head Gasket |
About to swap out a blown head gasket (verified with a leak down test), on my 40HP B&S. Do y'all resurface the heads, or just throw the new gasket on and roll with it? |
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| Author: | Russ [ Thu Jul 30, 2020 9:02 am ] |
| Post subject: | Re: 40HP Blown Head Gasket |
I'd check the head and the block with a straight edge and see if they're truly flat. If it blew a gasket, it probably is warped (but possibly not), which means another blown gasket in your future. If it's warped, pull the other side too and get them both shaved to match. #CFFITR #mudmotor>physics |
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| Author: | Will C [ Thu Jul 30, 2020 8:46 pm ] |
| Post subject: | Re: 40HP Blown Head Gasket |
Agreed ^^ on a seasoned head the deck surface moves around near the exhaust port and towards the pushrods. Guessing it pushed the gasket towards pushrods |
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