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06-25-2006 | 12:22 PM

#21

BlackNightmare

Registered User

Joined: Sep 2005

Posts: 1,370

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From: Tulsa

that was a good explanation. Thank you. Now I know when something really messes up and when its ok.

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06-25-2006 | 12:33 PM

#22

xviper

Joined: Mar 2001

Posts: 37,305

Likes: 16

Quote:

Originally Posted by xdavieexx,Jun 25 2006, 02:13 PM

if you had an ap1 you can downshift at 60 and be fine

This can be misleading and needs to be clarified.

This speed calculator can demonstrate that both 2.0L and 2.2L engines (AP1 and AP2) can be "safely" downshifted at 60 mph into 2nd gear:
http://www.turnzero.com/technical_resource...gear_calculator

The 2.0L engine will be well under redline and the 2.2L engine will be around 8400 rpm (not that big of a deal).

HOWEVER, should the correct technique be used, NEITHER engine will survive a downshift into "1st gear" from 60 mph. Chances are, the driver won't survive either once the car spins out and slides into a tree.

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