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SFI Flexplates

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Old Jun 26, 2011 | 07:28 PM
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Default SFI Flexplates

Working on a summer project that involves a new motor and tranny/diff by RPM. Looking around at flexplates while i have the driveline out. Are the plates in these cars the same as other LS1/x plates? I see that B&M, RPM, ATI and TCI all make aftermarket SFI flexplates. Is this a decent upgrade or is it more along the lines of good for peace of mind? Thanks!

Part Numbers/links:
ATI: 915733
TCI: 399753
B&M: http://bmracing.com/PRODUCTS/Chevy-S...LSx_Flexplate#
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Old Jun 26, 2011 | 08:03 PM
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I used a TCI once and I liked it, nice and thick.
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Old Jun 26, 2011 | 08:05 PM
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So there isnt some funky different one for a vette...and the standard issue LSx one fits?
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Old Jun 26, 2011 | 08:18 PM
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I installed a Yank flexplate.
It is defferent
Check it out.
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Old Jun 26, 2011 | 08:20 PM
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Im talking about the up front unit on the motor, not the drive plate on the converter.
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Old Jun 27, 2011 | 06:36 PM
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Here is my SFI Drive plate; is this what you are talking about?


I also installed a Quicktime scattershield:

Last edited by clif; Jun 27, 2011 at 06:40 PM.
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Old Jun 27, 2011 | 07:53 PM
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Yep, thats it. The one up front the starter spins. What brand?

Last edited by TwoValveKid; Jun 27, 2011 at 08:07 PM.
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Old Jun 28, 2011 | 04:39 AM
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Originally Posted by TwoValveKid
Yep, thats it. The one up front the starter spins. What brand?
It is the SFI plate.
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Old Jun 28, 2011 | 07:56 AM
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Rpm, tci, ati, b&m?
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