Trans, motor or torque arm?
Here's the deal. For a while I have noticed the shifter really moving around while driving. It will go up and down over bumps and move hard to the right when I stomp it. I figured the trans mount was shot. I put a poly one in and all was well except for more noise which was fine, I expected it. So I bought a parts store rubber one for a lt1 car (ls1 not listed) and swapped it in. The first few blocks it was fine, REAL SMOOTH. Til I goosed it one time and heard what sounded like the u-joint popping against the tunnel. I pulled it and replaced the poly one back in its place and as I figured the rubber one came apart. So I 'm back to square one now. I have the poly one back in and I think all is well when today coming home from work a Stang was approaching so I nailed it in 2nd around 3300 rpm or so ( it was in town) and there it was again (thump-thump-thump-thump) real fast like. Just like when the rubber mount went. My question is when I drive normal it's fine. And when I tromp it it makes noises. How do I know if motor mounts are gone? And the torque arm too? The odometer shows 130k and it has had the engine replaced at least I think it has. It has center-bolt heads and no egr. I thought 2000 and up motors had no egr. Anyway what are your thoughts.
