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Old 04-13-2011, 10:15 PM
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I am converting my LT car to an LS6.
I have the new K-member installed and motor stands with mounts are in the mail.

Next problem is finding source for the proper bolts.
I'd guess grade 8 hardness, but is there somewhere that lists GM bolt sizes?

I'd like to have it all ready to go when when stuff shows up in mail.
Need bolts for stands and motor mounts - Should I call the Chevy parts counter?
Haven't gotten alot of co-operation from them in the past with stuff like this.
They just want the no-effort/Big ticket sales it seems.
Old 04-13-2011, 11:25 PM
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Why not just go to a hardware store?
Old 04-13-2011, 11:53 PM
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Where to buy bolts is not the question,

I do not yet have the motor mounts as stated above- Would like to have proper set of bolts ready when they arrive.

I titled the post "Stupid Question" but it's really not stupid at all.

Just wondering if someone has a list of needed bolts for motor mount assembly.
Old 04-14-2011, 01:22 AM
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m10x1.5x20mm for the moutns for an ls1.

do a search on here or google and you will find every single bolt known to man and its size and/or oem part number. Im in the process of doing it myself and found every bolt i needed within 5 minutes.
Old 04-14-2011, 09:40 AM
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Originally Posted by itsslow98
m10x1.5x20mm for the moutns for an ls1.

do a search on here or google and you will find every single bolt known to man and its size and/or oem part number. Im in the process of doing it myself and found every bolt i needed within 5 minutes.
Thank you - I guess I could have thought of that!
Maybe it was a stupid question after all, Thanks
Old 04-14-2011, 10:36 AM
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A Dealership would be more expensive, but the Parts Dept. would be able to ensure you get the correct bolts for each application, rather than guessing at the hardware store or online.

I wouldn't want to purchase what I thought was correct and then go to use them and have them be wrong. Then you have to go through this entire ordeal again and worry about returning what you've already purchased.

Like I said, it'll probably be expensive, but, if it were me, I'd bite the bullet and get them at a GM Dealership.
Old 04-18-2011, 03:50 PM
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Originally Posted by Mumbles
A Dealership would be more expensive, but the Parts Dept. would be able to ensure you get the correct bolts for each application, rather than guessing at the hardware store or online.

I wouldn't want to purchase what I thought was correct and then go to use them and have them be wrong. Then you have to go through this entire ordeal again and worry about returning what you've already purchased.

Like I said, it'll probably be expensive, but, if it were me, I'd bite the bullet and get them at a GM Dealership.
I went to the Chevy parts counter today.
I was the only customer there and the guy was helpful this time.
He printed me out a blow up showing the motor mount assembly.
Believe it or not, they didn't list dimensions of all the bolts even though they were shown on the exploded view.

He gave me the dimension of the two long bolts that go thru the motor mounts but had no info on either the bolts that connect the iron stands to the k-member or the motor mounts to the block.

I guess I will try another search on ls1 tech and keep digging.
Old 04-18-2011, 03:53 PM
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it's slow98 had given me the motor mount to block bolt dimensions earlier,
(m10x1.5x20mm)

So now, I'm down to the stand to k-member bolt dimensions.
Old 04-19-2011, 09:03 PM
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Ok- While at the hardware store I picked up a Bolt measuring guage.

Have lot's more hardware to replace but this should help.

And yeah, I feel just a little stupid.....




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