Optimum shifts

ricematthews ricematthews at msn.com
Wed Apr 17 09:03:54 EDT 2002


For maximum acceleration, you want to maximize torque.  So, practically
speaking, you typically DO want to shift somewhere after peak torque and
such that you hit the next gear somewhere before peak torque.

Theoretically, to say exactly where to shift, you must consider the torque
curve and your gear ratios.  You want to maximize the total area under the
torque curve(s) in all gears (Calculus II anyone?).

-Mark Rice

*****************************************************
>
>Hi all-
>I was browsing through some Audi sites and saw some hp/torque graphs.
>According to the graphs, where is it best to shift up to the next
>gear.....right after hp peaks?  Or does it also depend on where torque is,
>too?
>
>Does anybody have hp/torque graphs for a modded 10V turbo?  Something
>basically along these lines:
>
>2.1 liter WX engine
>K24 w/ 15 psi boost level
>268/270 cam
>IA chip
>K&N filter
>free flow exhaust (no center)
>
>Thanks for any info.
>
>Brandon
>'84 ur
>'98 A4





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