green at this exhaust thing. You guys are good at this 1000 times over. I got 1991 gmc 5.7. Can I put Dynomax ultra flow muffler 17519 on my stock exhaust with cat still on?. I will there Be issues with dash engine lights?.. and how about the sound?. I know it’s...
They just magnet on there. Keeps oil warm. I was going to try. I kniw mg engine ran king all 3 years I had it ,but just noticed this winter thag strange noise
I hear that sound on both sides though. Up front on drivers side. And on passengers side kind of in back. ?? Wanted to clarify. But when I plug it in. No sound. Cold engine.
Mine does the exact same thing. I got 1991 350 with 150000 km. It does exact same. Thag deep inside thing. I run 10/30 regular. I did switch to 5/30 regular oil. I don’t drive it on winter. Truck in nice shape. It’s parked in garage. I start it sometimes in...
Thx for reply yes. Only thing now. When I plug it in and block is warm it doesn’t n m she that churning sound . Would plugging truck block heater prevent torque converter sound?
Hi. Regarding my question. I know you a pro. Seen you in here often. I removed belt still same sound . I plugged it in for 4 hours. It is -15 or so at least in garage. nO SoUND. Seems to stifle that sound up when plugged just like a semi warm engine. What is your view...