4th Engine coming up- L36 to L67 Swap - Page 7 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-22-2012, 10:57 AM   #61
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I FINALLY got my update this morning. I spent the last hour or so, recalibrating my file with L67 settings. That causes carpal tunnel to kick in I tell ya!

Dan, question for ya. I didn't change anything in the Speedo section of the editor. Right now, my PCM has the stock "General, Limiter, Gear/Tire Calc" settings. The new transmission is different. 3.29FD. Rotor=30 Sprockets-Drive/Driven=37/33. (found this in my ATSG manual)
What do I need to change in those tabs to reflect the new trans?
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Old 03-23-2012, 10:00 AM   #62
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Easy, go to speedo, choose calc gear range. It will show 3.29, change that to 3.69, click commit, and your done.
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Old 03-23-2012, 10:08 AM   #63
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Ok, thanks Dan. I'll give that a try and see what happens here in a few.
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