Motor mounts question.
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iTrader: (4)
Joined: Dec 2007
Posts: 1,712
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From: Between Bowling Green/Owensboro
I thought it was going to be cake and bought some poly ones and asked if I could have help and all the local lsx people/shops said only if had headers going in at the same time. Gonna buy some headers soon and then im just gonna drop the k-member while im laid and clean some stuff up.
It is ridiculously tight lol. I just removed the headers. Now that I know how to do them it doesn't take long at all. The only problem I had was the slipfit y pipe was fused to the collector, but I cut it and I'm gonna flange the system for an even easier removal next time 
IMHO it saves one time and frustration by just removing the headers.
IMHO it saves one time and frustration by just removing the headers. With polys you don't have the luxury of unbolting the pedestals. You have to line up the hole throught the poly mounts with the holes in the pedestal. The reason so many people say this is so difficult is probably cause with everything in place its hard to see the holes to tell if they're lined up. You'd kinda just have to work the bolt in till it catches. When I did mine, I was able to see the holes and direct my buddy how to pry/jack the motor to line em up. They went through in less than 15 mins.
With polys you don't have the luxury of unbolting the pedestals. You have to line up the hole throught the poly mounts with the holes in the pedestal. The reason so many people say this is so difficult is probably cause with everything in place its hard to see the holes to tell if they're lined up. You'd kinda just have to work the bolt in till it catches. When I did mine, I was able to see the holes and direct my buddy how to pry/jack the motor to line em up. They went through in less than 15 mins.
What worked for me was installing the passenger side 18mm bolt, then loosen the 4 Motor Mount Pedestal Bolts on the Drivers side. Just so you have some play, don't remove them completely. Then just work with your jack and line up the Mount and Pedestal, and with the bolts loose you can manipulate the pedestal enough to get the other 18mm bolt started. Then just hammer it home, start the nut, and retighten the four pedestal bolts. Tighten both motor mount bolts and nuts and then onto the task of reinstalling the 3000 things you had to remove to get to the mounts.
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