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LQ4 to TH350 Pics of problem included

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Old 05-08-2011, 12:44 PM
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Default LQ4 to TH350 Pics of problem included

Heres the low down, I have a th350 with a 4k stall I purchased used. I also purchased the gm spacer and bolts to go on my 6.0 flex plate, but the problem is the guy that I purchased the used th350 and stall from cut the outside bolts off the dual pattern stall converter!!!!! Now I messaged a few people on here and their response was to get a new stall which will NOT be happening!!

The question I have is : Can I use another STOCK form flexplate on my lq4 to allow me to bolt up a small bolt pattern torque converter.

Old 05-08-2011, 01:27 PM
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Take the flex plate to amachine shop and have them drill it for the other pattern
Had to do it on a powerglide swap, that didn't have the correct bolt patern
Old 05-08-2011, 02:02 PM
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I would get a new converter or atleast send that one back to the manufacturer to have the tabs replaced. I would be worried bout it be out of balance.
Old 05-08-2011, 02:42 PM
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https://ls1tech.com/forums/automatic...0r4-4l60e.html

I have been looking at this thread. I am wondering if this means I can use the spacer I have + the bolts that I have and use a 4.8,5.3, or ls1 flexplate. It say's it will fit the small torque converter pattern, but not 100% sure.
Old 05-08-2011, 03:41 PM
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The spacer makes the converter snout reach the end of the crank. It has nothing to do with your problem. Like was said above, have your flex plate re-drilled at a machine shop.

Originally Posted by talon2008
https://ls1tech.com/forums/automatic...0r4-4l60e.html

I have been looking at this thread. I am wondering if this means I can use the spacer I have + the bolts that I have and use a 4.8,5.3, or ls1 flexplate. It say's it will fit the small torque converter pattern, but not 100% sure.
Old 05-08-2011, 05:12 PM
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Originally Posted by LS1MCSS
The spacer makes the converter snout reach the end of the crank. It has nothing to do with your problem. Like was said above, have your flex plate re-drilled at a machine shop.
2. you do not need a special flexplate, the curved 4.8,5.3,LS1- just need the t/c bolt holes ovaled out a bit and the 5.3 flex plates have a set of holes that match the small gm t/c bolt pattern perfect

Copied that from the link previously... so your telling me a 4.8 5.3 or ls1 flexplate will NOT work with the small bolt pattern torque converter??? I am not having a machine shop drill holes in my 6.0 flexplate for 50-60$ when I can get a used 4.8 flexplate for 20$, just trying to see if it will even work.
Old 05-08-2011, 07:26 PM
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Get a 5.3, 4.8 or 5.7 flex plate and the spacer from GM or Hughes and you will be able to use the small bolt pattern holes on the converter.
Old 05-08-2011, 07:35 PM
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^ thank you. was just looking for reassurance and double checking myself.

thanks again!!



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