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Originally Posted by ivanko
..... Brian Hartman tells me the 4L80E will be a pig in my truck and I will lose the nice 1-2 shift and the responsive hard shifts of the 700R4........
Thank you.
Adam
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That's false. Both shift timing and firmness are 100% fully programmable. Delaying the 1-2 shift or completing it sooner is just a few software keystrokes away. Likewise with firmness. So if you don't like the 1-2 shift, you will simply adjust it without breaking a sweat. An electronic transmission gives you complete digital control over calibration relative to throttle position (load) rpm, and vehicle speed. A pre-electronic transmission simply cannot compare.
Furthermore I would suggest that your transmission failures--given proper components and modification--might be a direct result of the limited calibration control available from a 700R4. The engine is hitting the transmission harder than allowable under some combination of circumstances. And since your 700R4 builder is a specialist, I can only assume that he has fine-tuned the calibration as well as possible. Without computer control, he just does not have the means to take it to the next level.
It's all about the computer.