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Author
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Topic: Engine ?
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Bluemustang
Journeyman Posts: 81
From: Nashville,Tn
Registered: Mar 2001
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posted 04-24-2001 12:44 PM
   
Someone told me that my had blowback, I think thats what it is call. Does anyoone know what that is?
Is that bad and is thare a way to fix it.
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steve'66
Gearhead Posts: 4307
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 04-24-2001 12:48 PM
Maybe blow-by?If that's it it's caused by poor ring seal, and the right way to fix it is with an engine rebuild. There are some additives you can add to the oil to reduce blow-by. Alex has a favorite, but I don't remember maybe Engine Restorer? Good luck, SteveW
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69maverick
Gearhead Posts: 742
From: Thomaston,CT.
Registered: Jan 2001
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posted 04-24-2001 01:38 PM
I'm pretty sure the name is Restore. It comes in a silver can. They sell it in 4,6 and 8cyl. cans. I used it a few times and it worked great!
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Bluemustang
Journeyman Posts: 81
From: Nashville,Tn
Registered: Mar 2001
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posted 04-24-2001 01:48 PM
ABout how much does it cost to have the rings replaced in a 302
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steve'66
Gearhead Posts: 4307
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 04-24-2001 01:54 PM
Approximately $1,000 to $2,000 for a rebuild. Once you have the engine out and disassembled you might as well have it rebuilt. How bad does it smoke?SteveW
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Bluemustang
Journeyman Posts: 81
From: Nashville,Tn
Registered: Mar 2001
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posted 04-24-2001 01:59 PM
When I first start it up and let it set and run it does not do it. After I driver it for a while and stop and pop the hood you can see just a little.
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steve'66
Gearhead Posts: 4307
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 04-24-2001 02:06 PM
Do a compression test, then another with a squirt of oil in each plug hole, and let us know the numbers.
If you can't, then have your mechanic do it (or a leak-down test). That'll let you know the condition of your engine.
How many miles are on the engine?SteveW
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Bluemustang
Journeyman Posts: 81
From: Nashville,Tn
Registered: Mar 2001
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posted 04-24-2001 02:09 PM
When I got the engine the person said it had 65000 on the engine.
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steve'66
Gearhead Posts: 4307
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 04-24-2001 02:15 PM
OK, still do the compression test. It should be part of a complete tune-up anyway. Then you'll know what you've got.There are other things that can cause blow-by too, like a bad pcv valve. If it runs good, you can try the restorer too.  SteveW
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Bluemustang
Journeyman Posts: 81
From: Nashville,Tn
Registered: Mar 2001
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posted 04-24-2001 02:18 PM
Thanks for all the help.
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