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Bob, thanks to your ceramic gel, I'm a happy Jeeper. I bought a 1993 Jeep Wrangler with a 2.5 four cylinder engine. It ran awful. I did a compression check and had blowby in the #4 cylinder. Cost of rebuild was $900 if I brought the engine to them. So I bought a used engine for $500 from a man who just wanted to upgrade to a six cylinder for more power for rock climbing. then I found out about Certech gelsand I decided to try it before swapping engines. Worth a try, right? Did what you told me on the phone. Engine runs great. No more blowby and has even compression on all 4 cylinders. As you know I ordered more gel to put in some lawn mower engines. Will let you know how that works for me. Can hardly wait to try it.
Dean Kilgore, Poteet, TX