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#16997 05/25/2004 1:52 AM | Joined: Apr 2004 Posts: 4 Junior Member | | Junior Member Joined: Apr 2004 Posts: 4 | We have a 302 that has been sitting a while so we took the head off and it looks pretty stuck but not all rusted walls have a light rust but are smooth what is the best way to unstick this sucker?
Thanks Mark and Nick | | |
#16998 05/25/2004 2:28 AM | Joined: Jul 2003 Posts: 55 Member | | Member Joined: Jul 2003 Posts: 55 | One of the ways I've heard of, is to pour some Marvel Mystery Oil in the cylinders and let it soak. Probably do the same for 2 days or so, while trying to turn it over each day. I know some of the other people on here have their own way of doing it. Maybe they'll chime in later. Good luck. John
1968 Chevy C-10, 250 and 3 speed on floor, Hedman headers, Offy intake, Edelbrock 600cfm 4 barrel, HEI
1966 Chevy C-10, motor and tranny went into the '68. Waiting to be restored.
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#16999 05/25/2004 2:52 AM | Joined: Dec 2001 Posts: 215 Shop Shark | | Shop Shark Joined: Dec 2001 Posts: 215 | some times if you have the head off you can take a short 4x4 post and a big hammer and beat them lose but some times its a littel hard on the rings | | |
#17000 05/25/2004 3:58 AM | Joined: Mar 2000 Posts: 1,182 Red dot, center of chest ... | | Red dot, center of chest ... Joined: Mar 2000 Posts: 1,182 | The oldtimers used automatic transmission fluid for this. Just pour it in the cylinders and let it soak for a while. | | |
#17001 05/25/2004 4:18 AM | Joined: May 2003 Posts: 213 'Bolter | | 'Bolter Joined: May 2003 Posts: 213 | I've used the ATF method before with good luck. On my last one, I mixed in marvel mystery oil too. The engine runs without changing rings.
Fill up the cylinders and wait a while. Try it every couple days. Soon you will be running again. Good luck!! | | |
#17002 05/28/2004 4:39 AM | Joined: Nov 2003 Posts: 39 Junior Member | | Junior Member Joined: Nov 2003 Posts: 39 | PB Blaster is best but ATF works great. I just got a 2.5 that is stuck. Used PB and in a few days it was moving, but only about 45 degrees. It had water (gallon or so) in the crankcase so it is tough to get. I started filling the crank case with all my used oil and ATF (used cause the engine is probablly bad) and plan to fill it to the top and let it sit for quite a while to see if it will loosen up.
There is no mechanical problem so difficult that it can not be overcome by brute force and ignorance.
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