I received the ATI flex plate and had the same issue. Called the Torque converter company and their answer was to drill the flex plate holes slightly larger... called ATI and their answer was drill the flex plate holes a little larger.. Sooooooooo, 1/32" was all it took. Drilled each hole equally on a drill press in 1/64th increments keeping everything in alignment. The holes were exactly 29/64" and ended up 31/64"
Made a little progress, hopefully back in the chassis this weekend.
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It's been a little while and just messing with it little at a time. Pulled the engine and trans again to get better access to the firewall and trans tunnel.
used a lot of elbow grease and mothers aluminum polish and tried for a mirror finish then coated with Sharkhide.
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Put the engine and trans back in, cut and welded flanges on the new Borlas then wrapped them with DEI Form-a-shield to hopefully reduce the amount of heat coming up through the floors.
Last edited by 68454RS; 12-26-2023 at 08:36 AM.
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Added a small panel to hold a bus bar, vintage air relays and circuit breaker. Bus bar gave me a great place to connect the vintage air and the Micro steering. Plus a stud for common ground.
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