rocketeer928
Veteran Member
I'm hoping someone can help me figure out an engine vibration problem that I'm experiencing that is driving me crazy.
Late June I did a full timing belt change (water pump, rollers, one-time use bolts, the works), along with a Colt Stage 2 Camshaft and new lifters. Now I have this engine vibration that I notice at all times and is most pronounce at 45-50 mph in 5th gear. Resonates always.
As first steps, I've looked into possible vibrations caused by the dogbone transmission mount, all air intake components up to the intake manifold, and the exhaust system. No adjustments to those systems have worked, and the vibration persists. I feel the vibration at idle, in-and-out of gear (manual tranny), and under driving load. I feel it in the accelerator pedal and my seat. A few years ago, I changed out the engine mounts, so I don't think the vibration would be because of worn mounts.
Like I said, it's driving me crazy and making the car not enjoyable to drive. I'm starting to wonder if the problem is the Colt Stage 2 Camshaft that I installed, and if I should go back to an ALH OEM camshaft. Unfortunately, I sold the original camshaft, so I would need to buy new. I did use installation paste on the camshaft and lifters, as well as a fresh oil change. But before I do buy a new ALH camshaft and start tearing the engine apart again...
Any thoughts?
Late June I did a full timing belt change (water pump, rollers, one-time use bolts, the works), along with a Colt Stage 2 Camshaft and new lifters. Now I have this engine vibration that I notice at all times and is most pronounce at 45-50 mph in 5th gear. Resonates always.
As first steps, I've looked into possible vibrations caused by the dogbone transmission mount, all air intake components up to the intake manifold, and the exhaust system. No adjustments to those systems have worked, and the vibration persists. I feel the vibration at idle, in-and-out of gear (manual tranny), and under driving load. I feel it in the accelerator pedal and my seat. A few years ago, I changed out the engine mounts, so I don't think the vibration would be because of worn mounts.
Like I said, it's driving me crazy and making the car not enjoyable to drive. I'm starting to wonder if the problem is the Colt Stage 2 Camshaft that I installed, and if I should go back to an ALH OEM camshaft. Unfortunately, I sold the original camshaft, so I would need to buy new. I did use installation paste on the camshaft and lifters, as well as a fresh oil change. But before I do buy a new ALH camshaft and start tearing the engine apart again...
Any thoughts?
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