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Old 12-30-2004, 10:33 AM   #16
2nd Gear Member
BadBoy330's Avatar
Join Date: Sep 2004
Location: 35 '55" s 45"15" w
Posts: 102
some tips on heel toe d/s

What is a "heel-toe" downshift?
"Heel-toeing" is the commonly-used term for matching the speed of the engine to that of the transmission when downshifting.

For example, let's assume that you're in 4th gear at 3,500 RPM and going 60 MPH. Now you want to downshift to 3rd gear. 3rd gear at 60 MPH is probably about 4,500 or 5,000 RPM (these numbers are theoretical). Therefore, in order to make the shift as smooth as possible, you need to "blip" the throttle to 5,000+ RPM right before you engage the clutch in 3rd.

Done properly, this minimizes the weight transfer from the rear to the front of the vehicle since the shift is less abrupt, minimizes driveline strain, maximizes rear wheel grip since the tires don't get a sudden speed change, and minimizes wear on the clutch since the clutch and flywheel are spinning at closer to the same speed. Of course, the laws of physics still apply - don't try popping the clutch into 2nd at 90 MPH, even if the engine "will" rev to 15,000.
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