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Old 08-16-2022, 07:12 PM
OldSoul_YoungBlood OldSoul_YoungBlood is offline
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Join Date: Jul 2022
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Default Help: TH350 Torque converter Identification.

Hey guys, I recently picked up a 69’ Th350 from an old Firebird “1/8th mile car” as the fella who i bought it from put it…I’m trying to ID the Torque converter that came with it but there are no ID tags or typical GM numbers. Only redeemable markings are a (A11) stamping and a faint (GM10) that looks hand engraved. Before I resort to just throwing it in to replace my stocker i was wondering if these photos could rattle some memories.

Its 12in
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Old 08-17-2022, 01:39 AM
madokie's Avatar
madokie madokie is offline
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Default tq info

TCS Products has a 242 page torque converter catalog which ID's GM10 on page 127 under the th400 as a 79 on v6 turbo 30 spline, 2200 stall unit..provided GM10 engraved on your converter really means that..

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