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sealer for newly rebuilt engine ?

Started by mr41cadillac, June 03, 2014, 07:25:31 PM

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mr41cadillac

June 03, 2014, 07:25:31 PM
 I have been advised to add some kind of engine sealer to my newly  rebuilt 346 ? why should I? and if so what kind ? thanks john

joeceretti

#1
June 03, 2014, 07:27:17 PM
Sealer... Where?

Did the rebuilder advise this?

mr41cadillac

#2
June 03, 2014, 07:29:56 PM
I haven't asked him ut can call him

TJ Hopland

#3
June 03, 2014, 07:32:54 PM
Perhaps in the coolant?   

My last rebuild the freeze plugs seemed to weep slightly.  Builder said thats not uncommon and to put a small dose of some kind of stop leak in it.  I put one of the 4100 / bars leak pellets in it and its been fine ever since.   
73 Eldo convert w/FiTech EFI, over 30 years of ownership and counting
Somewhat recently deceased daily drivers, 80 Eldo Diesel & 90 CDV
And other assorted stuff I keep buying for some reason

mechanic80

#4
June 04, 2014, 12:49:35 PM
I've been using Bar's Leak in customers cars  for decades.  That aluminum or copper powder is absolute trash.   One bit of advice: less is more.
mechanic80
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