AOD shifts
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Mountain Pass
Joined: Oct 2015
Posts: 248
Likes: 45
From: Iowa
AOD shifts
I have a 49 F1 with a 302/AOD with Lokar AOD shifter. the shifter has 1,D, and then (D). When I hold it in first it stays there, then when I shift to D it goes to 2nd gear and then to 3rd gear shortly. It will stay in 3rd untill I shift to (D) overdrive. Is this normal? I'd like to wind it out in 2nd and have control of the 2nd to 3rd shift.
Logistics Pro
Joined: May 2010
Posts: 3,793
Likes: 19
From: Austin
Hey Gogoat,
We've got an AOD in our '50 F1. Hmm... I'd be pretty cautious about jamming it into Overdrive. These are famous for the overdrive belt coming off the Servo under hard shifting. We upgraded our Belt to the 2 inch version & it's made from Kevlar.
That said - Baumann Engineering has a great site explaining all the things you can do to control or change the shift points. We have a more aggressive clutch set in our's - not sure I'd do it again - it's a bit of a neck snapper.
There also is a company named silverfox that makes replacement
solid shift bodies that can be more fine tuned for whatever shift pattern you want.
Good luck over there. Be gentle on your AOD .. just saying...
Ben in Austin
1950 F1
We've got an AOD in our '50 F1. Hmm... I'd be pretty cautious about jamming it into Overdrive. These are famous for the overdrive belt coming off the Servo under hard shifting. We upgraded our Belt to the 2 inch version & it's made from Kevlar.
That said - Baumann Engineering has a great site explaining all the things you can do to control or change the shift points. We have a more aggressive clutch set in our's - not sure I'd do it again - it's a bit of a neck snapper.
There also is a company named silverfox that makes replacement
solid shift bodies that can be more fine tuned for whatever shift pattern you want.
Good luck over there. Be gentle on your AOD .. just saying...
Ben in Austin
1950 F1
Logistics Pro
Joined: May 2010
Posts: 3,793
Likes: 19
From: Austin
Hey Gogoat,
The shift pattern you describe above where your AOD shifts pretty quickly from 2nd to 3rd is
pretty much normal from our experience. We don't drive around with it in (O) overdrive unless
we know we are going on the highway above 50 mph. Around the neighborhood & city streets
we are in (D) which only goes as far as 3rd.
Hard shifting in (D) then jamming it into Overdrive is not advised. Gently shifting into Overdrive....
You can make these AOD more bullet proof but it's a lot of work ... basically changing out the guts
for the stouter set up of the AODE (the next generation computerized trans. from Ford).
Guys we had helping us blew (2) AOD's in the set up phase ($1800 ea). That cable is really sensitive &
you have to have the pressure set right or it will crater in a matter of miles. We gave up & went to a
very experienced Trans. place in town & had them adjust & set the pressure. You have the right set up with the Lokar shifter.
Ben in Austin
1950 F1
The shift pattern you describe above where your AOD shifts pretty quickly from 2nd to 3rd is
pretty much normal from our experience. We don't drive around with it in (O) overdrive unless
we know we are going on the highway above 50 mph. Around the neighborhood & city streets
we are in (D) which only goes as far as 3rd.
Hard shifting in (D) then jamming it into Overdrive is not advised. Gently shifting into Overdrive....
You can make these AOD more bullet proof but it's a lot of work ... basically changing out the guts
for the stouter set up of the AODE (the next generation computerized trans. from Ford).
Guys we had helping us blew (2) AOD's in the set up phase ($1800 ea). That cable is really sensitive &
you have to have the pressure set right or it will crater in a matter of miles. We gave up & went to a
very experienced Trans. place in town & had them adjust & set the pressure. You have the right set up with the Lokar shifter.
Ben in Austin
1950 F1
Tuned
Joined: Sep 2012
Posts: 302
Likes: 17
I put a valve body from Performance Automatic in mine. Shifts nice and firm, and shifts like you would expect an automatic to shift. No more quick shifts to 2nd and 3rd, and won't shift to OD until you reach cruising speed and let off the gas a little.
Logistics Pro
Joined: Nov 2011
Posts: 4,685
Likes: 80
From: Northville, MI
The US Shift Transmission Control System
Lots of good information there including videos.
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Junior User
Joined: Apr 2015
Posts: 81
Likes: 0
What he said. I had a Cougar and Thunderbird with AOD and thats exactly how you shifted to hold 2nd gear, then D for 3rd gear.
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Mountain Pass
Joined: Oct 2015
Posts: 248
Likes: 45
From: Iowa
Thanks 2
Ben, I agree with you. I leave it in drive around town, or it never goes above 1200 rpm.And shift to O/D with light thottle. These are really fun trucks to drive and to work on. Simple. This web-site is great. All you have to do is ask.
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