At 04:33 PM 12/5/98 -0500, you wrote:
>>I have been noticing more and more (at the track too) that when in O/D OFF
>>mode , or on for that matter and under WOT , there seems to be a flat spot
>>in the torque between about 3500 and 4000 RPM . All I have on the truck
>>right now is the 14"FABM , I wonder what could be causing this ?
>>
>>When I was at the track last , it started to piss me off because I would
>>feel the flat spot just about the time you reach the last set of traps !!!
>>
>>Any ideas ?
>
>None, Jack, but I CAN tell you that the torque curve (from my chassis
>dyno tests in Nov.) starts to actually drop off at about 3600 RPM, after
>remaining mostly flat to that point.
This is where I start to here and feel the power kind of "stall" ?
It stalls between about 35-3600 and 4000 , then continues upward at the
same pace it was before it hit that point . It does it almost every time
under WOT and with the OD off .
Strange
After about 4000 RPM, the HP curve
>starts to drop off. I had two pulls done on my stock R/T, and curiously,
>there was a little spike of about 10 lbs.-ft. and 15 HP at about
>3600-3650 RPM. This occurred JUST before the torque curve started to
>drop off. Interesting that it was repeatable on the second pull. Both
>runs were done in 3rd gear with OD off.
>
>Gene Beaird
>98 Flame Red CC R/T
>Houston, Texas
>
>
W . Jack Hilton III
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