I figured out where I was confused. The 27sf512 is rated in bits not bytes.
27sf512 = 512 bits or 64 kb.

So nevermind the previous question. Thanks

Hi all, well it's been 10 or more years since I tuned with this ECM. I was never all that great at it to begin with though. I've read a lot of new posts on here and newer tuner pro definition files...

Do you still sell cables here? I made one from some parts I had laying around but having issues. Time to get a good one. Thanks

Thanks for the picture. I never used that search. That helps bringing up all TCC parameters. The Hanes manual showed a few vacuum switches many of them I don't have. I was worried it might use one of...

Intresting. Out of all the diagrams i had none of them showed the transmission like that. I even have a hanes manual. Looks like im back to making the ecm control lockup. Thanks i appreacite it.

Hi, I'm new to this group. I'm running a 1227747 in my jeep wrangler thats powered by SBC 350TBI. Currently rebuilding the 700r4 trans that should be ready in a few more days. My day job im an...