C4 Shifting Question
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Elder User
Joined: Apr 2004
Posts: 519
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From: Comfort, TX
C4 Shifting Question
I have a 351W/C4 combo in my 1950 F-1 with an Genie floorshift and Lokar AT Kickdown cable installed. Prior to installing the kickdown I test drove the truck and the transmission shifted pretty smooth from 1st to 2nd but struggled getting out of 2nd to 3rd unless the revs were high. Is this a result of the lack of the kickdown at the time or something like the modulator? All help appreciated.
Cargo Master
Joined: Feb 2008
Posts: 2,795
Likes: 129
From: Windermere Valley,B.C. Ca
Nope, the kickdown is exactly that, a down shift into a lower gear, sometimes called “passing gear”.
Yep, sounds good to me.
Yep, sounds good to me.
Senior User
Joined: Feb 2006
Posts: 412
Likes: 1
From: Fallon, Nevada
I have a 351W/C4 combo in my 1950 F-1 with an Genie floorshift and Lokar AT Kickdown cable installed. Prior to installing the kickdown I test drove the truck and the transmission shifted pretty smooth from 1st to 2nd but struggled getting out of 2nd to 3rd unless the revs were high. Is this a result of the lack of the kickdown at the time or something like the modulator? All help appreciated.
A Note: Since there is more vacuum at sea level, the shift points will be lower than one which was set at 4000 feet. So when it is set to shift properly at sea level, it will shift at higher speeds when you go to higher elevations....
Regards,
Alan
