C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Feb 23, 2016 | 07:01 AM
  #1  
newbie2vette's Avatar
newbie2vette
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Burning Brakes
 
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From: Lexington Park Maryland
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Maybe I did not search enough and then again maybe I might be asking for everyone to reveal their secrets. I was looking for a post that talks about the good to know "Tech Tips".

I've used several method to clean burnt build up oil from engine components before. Someone sugested in one of the thread I started to use "easy Off" over cleaner to clean the cylinder heads from the 79 I am reviving.

If you never used it, it it the "BOM". I did not take picture what they look like before I cleaned them, after using oven cleaner. I am definitely making it my first choice.

I was wondering if we can start a sticky that will house all the good tech tips such as using over cleaner for cleaning parts. Oh yeah, since the piston heads were just as bad. I clean each one by bringing it to the TDC, then spray the over cleaner on them. Let it sit for 5-10 min, I was able to just wipe majority of the burnt junk off them and finish wire wheel.

Thank you for the suggestion.
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Old Feb 23, 2016 | 08:02 AM
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bashcraft
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Originally Posted by newbie2vette
Oh yeah, since the piston heads were just as bad. I clean each one by bringing it to the TDC, then spray the over cleaner on them. Let it sit for 5-10 min, I was able to just wipe majority of the burnt junk off them and finish wire wheel.
What are you going to do about all the crap that went down into the rings?

Last edited by bashcraft; Feb 23, 2016 at 08:02 AM.
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Old Feb 23, 2016 | 12:42 PM
  #3  
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newbie2vette
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Burning Brakes
 
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From: Lexington Park Maryland
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Originally Posted by bashcraft
What are you going to do about all the crap that went down into the rings?
While the piston still in the TDC, I look inside the bore from the oil pan side. I did not see any migrated through the rings, I guess the wet and dry vacuum cleaner idea workd. As I was cleand the piston head, I had the vacuum cleand close buy to extract and lose stuff. then I cycled the cylinder with motor oil in the bore to coat the cylnder wall.

One more "good to know", several members provide muptiple suggestion on how to extract the broken exhaust mount bolt using the welding technique. I modified a little and did not weld on the washer and the nut, instead I drill a hole on the broken bolt as if I was tapping it out. The heat losen the rust and I build enough weld so I can use a punch to rotate the left over pieces, after losening it a bit I was able to extract it with a pair of needle nose fliers.
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