Had a good day at the dyno. After 10 pulls trying to figure out why the MAF voltage was pegging at idle ended up being a bad jumper harness from Granatelli... Oh well. Fixed that and we were off and running. Ended up tuning to 381/395 before checking to see if SAE Smoothing 5 was selected. Of course, they are running their dyno on STD so it looks better for their customers. As soon as it was "reset", that number dropped to 347/359. We started pulling timing from the high points and ended up at 316/335 for my cert pulls. Water temps were 180/210/210, so it was representative of what I'm going to run on track. Also, it was pull #22-24 for the cert, so the motor and driveline were WELL warmed up.
So, my new minimum weight is 3015. I'm expecting 2 45lb elevator plates to be added for ECR.
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If it's any consolation, they made and heavily marketed F-body MAFs back in the day which were notoriously problematic as well...I always thought they just hated Chevy's and were trying to help out the Mustang street racing crowd. Guess they're more of an equal-opportunity bunch than I gave 'em credit for.
Originally Posted by marshall_mosty
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