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Just finished poly motor mounts! PITA!

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Old 09-03-2007, 09:20 PM
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Originally Posted by ProjecT 9
i really need to put mine on. they've been in my trunk for 1.5 years now. ehh, I'll get around to it one day when I'm bored. so how do you guys support the motor to get the mounts out/in?
we put a trans jack under the oil pan and lowered the car on the hoist and then give er hell
Old 09-03-2007, 09:21 PM
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Originally Posted by Hilton
Did your new poly mounts come with bolts for the clam shells or zip ties. Mine came with zip ties. I'm going to go ahead and use bolts.
bolts
Old 09-03-2007, 10:07 PM
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mine came with zip ties too, what size bolts are used? I'll run to the hardware store and get some. i assume 4 bolts/nuts per mount?
Old 09-03-2007, 10:59 PM
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Zip ties?! I bought mine from Thunder Racing and it came with bolts with those nylon locking nuts. I did mine while the headers were off and it still took about 8 hrs of wrenching, grinding, prying, drilling, even painting. Thank God my dad has a drill press!!! Doing that job with anything less would be a real PITA!
In the end I'm glad I did it though. Found that one of the stock mounts was broken. Now the engine sits still while loping.
-Dave
Old 09-03-2007, 11:19 PM
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damn seems like a weekend job, but my engine moves around to much. is there a write up??
Old 09-04-2007, 12:11 AM
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Originally Posted by mcamarols1
damn seems like a weekend job, but my engine moves around to much. is there a write up??
There is one here

https://ls1tech.com/forums/generation-iii-external-engine/492703-best-poly-motor-mount-write-up-ever-written.html

I posted a couple pics taken during my install in this post.
https://ls1tech.com/forums/showpost....44&postcount=3

I hope this helps.. its a Pain because its just a lot of time consuming work but well worth it.
Old 09-04-2007, 06:25 AM
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Originally Posted by ProjecT 9
mine came with zip ties too, what size bolts are used? I'll run to the hardware store and get some. i assume 4 bolts/nuts per mount?

Yeah, 4 bolts per mount. I used the same size bolts as the drill bit that I used. (Pretty sure 3/8")
Old 09-04-2007, 09:48 AM
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man, i guess i just need to step up and do them. i have access to a lift and can use a transmission jack to support the motor. I'll just knock it out with my next oil change. maybe...
Old 09-04-2007, 06:55 PM
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Originally Posted by svodave
Zip ties?! I bought mine from Thunder Racing and it came with bolts with those nylon locking nuts. I did mine while the headers were off and it still took about 8 hrs of wrenching, grinding, prying, drilling, even painting. Thank God my dad has a drill press!!! Doing that job with anything less would be a real PITA!
In the end I'm glad I did it though. Found that one of the stock mounts was broken. Now the engine sits still while loping.
-Dave
Why did you need a drill press?
Old 09-04-2007, 07:35 PM
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Originally Posted by candidate zero
Why did you need a drill press?

I was wondering the same thing...

I drilled the rivets on mine with a Dewalt 18v cordless and a small vice. I used one battery to drill them both. Granted the DeWalt probably more heavy duty than most people have laying around but there is no need for a drill press. minimum you would need a halfway decent corded drill, good sharp drill bit, small vice or clamps to hold the mount tightly while you drill, finally a cold chisel or really big screwdriver or something to split the mount apart.

It for me it look the longest to get the lmounts back in and lined up. I had to loosen up the mounts form the block. then pry just a little to get the long bolts into place. After that reverse order and replace and re-tighten everything back up. I also had a motor mount bolt that I just could not get in straight and had to borrow a tap set to get the threads straightened up.
Old 09-04-2007, 09:48 PM
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I used a handy-dandy 3" cut off wheel to cut off the heads. Then a regular drill to get the rest of it. Popped apart not problem.

Today was a friend of mines birthday. Didn't get much done on the car.
Old 09-04-2007, 10:17 PM
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Originally Posted by candidate zero
Why did you need a drill press?
Well I guess my hand drills are sub-standard at best. 9.6V & 12V. My bits aint much better. I only got one rivet out with with my stuff. With the drill press just zero'd in and went through it like butter.
Old 09-05-2007, 10:25 AM
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The motor mounts were awful. It took me and a friend at least 12 hours to take them out and put them back in. Lining them back up was the worse part.

I'd recommend at least having some ratcheting end wrenches and a grinder handy to grind down the tips of the bolts to a point. This way when you get close you can just hammer them home.
Old 09-10-2007, 07:29 AM
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I finished the motor mount install yesterday. I also had a difficult time lining up the bolt holes until I loosened the bolts I had already tightened.

My advice is this: Don't fully tighten ANYTHING until all the bolts are in.
Old 09-10-2007, 08:32 AM
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I did mine with the tranny off during my converter install.
Definitely hated life and never want to do it again.
Parts are cheap but the labor will cost you your soul.
Old 09-10-2007, 03:14 PM
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solid motor mounts are a breeze
Old 09-10-2007, 04:19 PM
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I just used a normal jack with a couple planks of load bearing wood to support the oilpan during my install.
Old 09-10-2007, 04:51 PM
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Originally Posted by DirtyJohn
I did mine with the tranny off during my converter install.
Definitely hated life and never want to do it again.
Parts are cheap but the labor will cost you your soul.
Lining them up made me want to throw up.



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