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Topic Review (Newest First)
08-04-2006 09:03 PM
jpelli off set bolt pattern on starter , you have a 168 tooth flexplate.
08-04-2006 08:52 PM
jimfulco Be sure the bolt pattern where the converter bolts to the flexplate is correct.

153-tooth flywheels/flexplates are 12-3/4" in diameter.
168-tooth ones are 14".
08-04-2006 07:51 PM
sabino56 Thanks for response. With respect to the lock-out. I meant that the Turbo 350 auto tranny has a converter lockout. I'll check the number of teeth and make sure it meshes with the starter correctly. I'm concerned about the axial offset of the flex plate where the newer flex plates have an offset where the converter mounts.
08-04-2006 02:40 PM
DOUBLEDICK A 350 with lock out? what is that?Check the flex plate to the converter and see if the bolt pattern is the same.if it matches the crank on the engine and the bolt pattern on the converter it should work.I would just buy a new flex plate as they are cheap and you don't want any starter issues.early small blocks have 2 sizes as I remember it is a 158 tooth and a 162 tooth.I have run into this problem before the smaller one wont work with your starter on the 350
08-04-2006 08:32 AM
sabino56
flex plate for '70 sbc w/ TH350

Another in series of little things in our 65 belair 6 cyl refit to a 350.
The 6cyl had a power glide. We're putting a TH350 (early 80's vintage w/ lockout) behind a 1970 350. Can I use the flex plate off the 6 cyl or do I need to get a different flexplate. I see that at some point flexplates have a small offset where the torque converter bolts up. The flex plate on the 65 6 cyl does not.
Thanks
Ed

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