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Old May 4, 2007 | 07:57 PM
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From: elizabethtown,ky
Default flexplate
i bought a flexplate at carquest for my 02 t/a,to do a m6 to th400 swap,anyways the flexplate has a weight on it.i thought the ls1's where internally balanced .thanks for your help.
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Old May 5, 2007 | 10:11 AM
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From: burbank ca
Default jw
jw in florida makes a crank adapter and that is all you need
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Old May 5, 2007 | 10:24 AM
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https://ls1tech.com/forums/automatic-transmission/639693-ls1-style-engines-old-style-trans-th350-400-2004r-700r4-4l60e.html
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Old May 6, 2007 | 03:01 PM
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From: elizabethtown,ky
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still didnt answer my ? about the weight...
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Old May 6, 2007 | 06:10 PM
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there is no weights on any of the 4.8,5.3,ls1,6.0's flex plates

they probly sold you a gen1 or gen2 flexplate you need a gen3 small block flexplate
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Old May 6, 2007 | 11:23 PM
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From: elizabethtown,ky
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i checked the fly wheel bolt pattern it fits an ls1..
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Old May 7, 2007 | 07:58 AM
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i dont remember any weights being on my new or old flexplates...
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Old May 7, 2007 | 11:21 AM
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doesnt matter if it bolts to your crank,, it isnt the correct flexplate, i have never seen a 4.8,5.3,ls1,6.0 with a weight on the flexplate

which flexplate you trying to run, the gen3 flat or curved, what crankshaft spacer/adapter are you going(gm or hughes) to use to keep the th400 converter

read my previous link, it is all in there
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