So, I have apparently blown head gasket The oil is full fo water and I will have to determine later why the gasket blew or if I have a crack somewhere. I'm hoping just a blown gasket and wondering what a good rinse for the block would be? Any suggestions? I plan to have the head to the machinist for magneflux and perhaps a bit of truing surface. The engine doesn't have 5000 miles since total rebuild by the boys in Oakdale so I'm still hoping just a blown gasket, clean up, relace and after a few passes with the torque wrench back to normal. 5.5 head. Gasket recommendation?
The "Ace" Mechanic, always open to learning. Dave Mc Arthur |
Re: So, I have apparently blown head gasket Have you been re torquing the head bolts over the 5,000 miles? I think that is a maintenance thing.
I have had the best luck with the Best brand gaskets and the copper spray gasket sealer. I have tried all the others. Besides the head, the block must also be flat without pits. I have had luck filling minor pits in the block with JB Weld and smoothing after it is cured with 400 grid sand paper wrapped around a flat file. The block and head must be absolutely clean before assembly. I use acetone for the final wipe. I hope you don't find any cracks. |
Re: So, I have apparently blown head gasket Full of H2O and not antifreeze? If anti freeze you should check all of the bearings! To clean the oily watery mess WD40 would be my choice, it can be bought by the gallon.
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Re: So, I have apparently blown head gasket Would have been nice. I now find that the third bore has a horizontal crack, perhaps an inch to inch and a half long just above the pistom dome when fully bottomed. The bore is one of two, .060 or .090. There is no descimal point so depending on how you look at it, could be either and I haven't miked it yet. I'd venture .090 over is too far to sleeve and bore back to .090 so I'm thinking it is back to stock or a better block. Any thoughts? My first thought is Terry's new engine.
The "Not" so Ace Mechanic. |
Re: So, I have apparently blown head gasket I'd say yes the new engine. I have never met an engine rebuilder that will bore and sleve an engine.
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Re: So, I have apparently blown head gasket If you have the money I would certainly go with Terry's engine. In his latest news letter he said that he has other parts available now or soon including a 30 pound flywheel for the V8 clutch and a 6.5 head and a touring camshaft. The head will have the same look as stock from outside and have improved water flow for the #3 and #4 cylinder exhaust ports.
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Re: So, I have apparently blown head gasket A good cleanout after oil in antifreeze can be done with liquid dish soap, after the oil leak cause is fixed. Drain old antifreeze and replace with water and a quarter cup liquid dish soap. Run engine for 15 minutes until hot. Drain block and radiator (pull lower hose and open draincock. Repeat this process. After second drain, run engine with radiator draincock and engine draincock open and a hose with clean water running into the radiator top. Run motor until water coming out of draincock and radiator is clear. Messy...but works great. Refill with new antifreeze.
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I was also wondering how to clean the oil, other than change the oil. |
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Note: The vendors sell sleeves so it must be done fairly frequently. |
Re: So, I have apparently blown head gasket I've also had a couple of sleeved engines with no problems. Just make sure they leave
a step at the bottom of the original bore so the sleeve can't move down. |
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