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Harvie · 09-13-2014

Our testing, years ago, with a modified ZF trans gears (to keep the drop between shifts in the engines peak power band) and with higher horsepower engines the 391 ratio was the one that got to the finish line first.

We attempted to get the trans ratios to where we had five gears instead of 4 plus 2 overdrives, that worked real well. REEEEEEAL EXPENSIVE

Look up Gforce and look at the transmission ratios Leo makes for an example of what can be done to the ZF it money is no problem.

09-13-2014	#176
Harvie Join Date: Aug 2014 Location: In my house Posts: 103	Re: 4.10 gears...not what I expected. Our testing, years ago, with a modified ZF trans gears (to keep the drop between shifts in the engines peak power band) and with higher horsepower engines the 391 ratio was the one that got to the finish line first. We attempted to get the trans ratios to where we had five gears instead of 4 plus 2 overdrives, that worked real well. REEEEEEAL EXPENSIVE Look up Gforce and look at the transmission ratios Leo makes for an example of what can be done to the ZF it money is no problem. __________________ Charter Member (since the 91) of the 1ST ZR1 Registry 1st vet $157.59. mo for 3 years new 2nd new 1 check & STILL eating funds years later [-X show poodles & trailer queens :-({\|= Fast and fun not pretty in pink. Last edited by Harvie; 09-13-2014 at 12:46 PM.