New fastest time with 4L80E swap
Dec 5, 2006 | 09:23 PM
#11
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From: From Houma La. Living n Ellisville Miss.
Originally Posted by SPRAYEDSIERRA
Im not real sure why im not getting any more mph than that, ive been curious about that myself. When the truck shifts into second it pulls to 5000 and then rpms drop back to 4500 like the converter is locking then it pulls on to 7200 and shifts into third, it only does it in second gear. Ive got it set up with HPtuners where the converter wont lock at all because i thought it might be causing the problem, im assuming thats why mph is off.... Any ideas 
I WISH I COULD HELP YOU ON THAT ONE BUT I HAVE NOT HAD TO WORK ON A TUNE FOR A TRUCK WITH A 80 IN IT.BUT IT SOUNDS LIKE THE VERTER IS LOCKING ON YOU
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