Aluminum Block V8s 4.1, 4.5, 4.6, and 4.9 liter engines.

Oil stop Leak

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  #11  
Old 11-03-2009, 09:35 PM
99STSGUY's Avatar
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Location: S.Florida
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"the best way to keep an engine from leaking is to use it often"
Yea i was just thinking that, looks like i will be adding a quart and half to every oil change like clock work, that is of course if it holds it off. thats something i didnt try in past i kinda did a one time thing and walked away. with that said that just may be the case, also maybe in the past i when i put them in they all said treats 4-6 quarts obsioulsy thats not enough for our appliccation on N*. so the other day lucas bottle said treats 4qts. so bought the two bottles and used 1.5. So it looks like puttin in the right quanity really maters, and using it often..will be sure to spend few months testing this theory out.
 
  #12  
Old 02-08-2020, 02:16 PM
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Originally Posted by 99STSGUY
Just wondering if anyone had any experience with any oil stop leaks on these northstars? mine started leaking at 108K been since. I once used bars leak "rear main seal repair" and it actually stopped it for about 3 days then came back. it said it treated 4-6 quarts maybe i didnt use enough? shuda used 2 ? The leak is coming from up bewteen the trans on drivers side. stright up to the side bewteen the tans and that exhaust pipe that croses under oil pan. rear seal probably..
i know stop leaks are a temp fix but im definately not loooking to pull motor or trans. with usage and leak bout qt every 650-750 miles.
anyone try lucas oil stop leak?? or any stop leka w/ success? thanks
Lucas oil stop leak in my 1994 cadallic
 
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