Quick question !
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Joined: Aug 2003
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Markski, you can do an easy experiment:
drive your car in 3rd at about 45 mph. Set your cruise
control to keep it there, on a level road. Observe the
RPMs. Then shift to 4th and observe the RPMs, as the
car stays at 45mph. The drop in RPM should be just about
half what the drop would be at 6500 rpm. I base that on
the chart which lists the speed as 90-92 mph at 6500 rpm
in 3rd. You can verify, because at 45 mph in third, the
RPMs should be 3250. If it's not, adjust your speed so it
is 3250. Then the drop when you shift up *will be* half
what it would be if you shifted at twice the RPM.
Joe
drive your car in 3rd at about 45 mph. Set your cruise
control to keep it there, on a level road. Observe the
RPMs. Then shift to 4th and observe the RPMs, as the
car stays at 45mph. The drop in RPM should be just about
half what the drop would be at 6500 rpm. I base that on
the chart which lists the speed as 90-92 mph at 6500 rpm
in 3rd. You can verify, because at 45 mph in third, the
RPMs should be 3250. If it's not, adjust your speed so it
is 3250. Then the drop when you shift up *will be* half
what it would be if you shifted at twice the RPM.
Joe
If someone does not want to go up to 6500 RPMs take it to 4K RPMs and tell me what it drops to when u get into 4th...
mark
mark
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2001 996TT 3.6L and stock ECU
9.66 seconds @ 147.76 mph 1/4 mile click to view
160 mph @ 9.77 seconds in 1/4 mile click to view
50% OFF ON PORSCHE ECU TUNING BLACK FRIDAY SPECIAL
2001 996TT 3.6L and stock ECU
9.66 seconds @ 147.76 mph 1/4 mile click to view
160 mph @ 9.77 seconds in 1/4 mile click to view
50% OFF ON PORSCHE ECU TUNING BLACK FRIDAY SPECIAL
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Mark
Here is your RPM drop chart, this is from your run. Bear in mind this is extracted from your speed so it does not look very neat.
All seems ok. Obviously the scale on the left is RPMs not FWHP...
Here is your RPM drop chart, this is from your run. Bear in mind this is extracted from your speed so it does not look very neat.
All seems ok. Obviously the scale on the left is RPMs not FWHP...
Last edited by Jean; Aug 5, 2007 at 01:45 PM.
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From: Texas
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Originally Posted by Powell
I should have paid attention on the way to work this morning. Made a 3rd to 4th pull on the freeway, but only was watching the boost (which was only disappointing LOL).
On the way home tonight I'll make a pass, but you'll probably have an answer by then.
On the way home tonight I'll make a pass, but you'll probably have an answer by then.
Robert
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