Bill A Posted October 25, 2007 Report Share Posted October 25, 2007 Any one in Caddyinfoland familiar with the LS 1 V8 used in late model Trans Ams/Camaros? Wondering if the coolant sealant additive we use in the Northstars should be used in this aluminum block? The owners manual sheds no info and I have not got a GM service manual for it yet. Thanks Bill A Link to comment Share on other sites More sharing options...
bowtie123 Posted October 25, 2007 Report Share Posted October 25, 2007 I had a '99 Vette and I used them in that, even though they were not called for. Can't hurt. Link to comment Share on other sites More sharing options...
JimD Posted October 25, 2007 Report Share Posted October 25, 2007 Personal opinion only! But I would use the GM part number product, or the very same material from Bar's Leaks, in ANY liquid cooled engine. Sort of like chicken soup for cooling systems. What can it hurt? Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
Bill A Posted October 25, 2007 Author Report Share Posted October 25, 2007 What can it hurt was my thought too. But nice to have a panel of knowledgable and experinced people like that on this forum to poll. Link to comment Share on other sites More sharing options...
JasonA Posted October 25, 2007 Report Share Posted October 25, 2007 Based on our very positive experience with it, I would say that it would/could do no harm in an LS1 engine. I might also ask the guys on a Corvette or other LS1 forum to see if they've used it. Jason(2001 STS, White Diamond) "When you turn your car on...does it return the favor?" Link to comment Share on other sites More sharing options...
Ranger Posted October 25, 2007 Report Share Posted October 25, 2007 The Guru said he used them in every water cooled engine he had, including snowmobiles. Link to comment Share on other sites More sharing options...
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