well im a happy camper now! i got the the other boots on the truck and every clamp tightened, took her fo a test drive and hit 32psi!. very pleased with piers boot kit. now i need that new transmission so the bombing bug can bite harder! - andy the oring is fine. i was refering to the boot that connects the elbow with that o-ring on it to the bent boost tube that connects to the intercooler. all is good now. no leaks