Reply With QuoteThis is the breakin they told me to do
All new gear sets require a break-in period to prevent damage from
overheating. After driving the first 15 or 20 miles you must let the
differential cool for 30-40 minutes before proceeding. Drive 500 easy miles
before towing. Tow for very short distances (less than 15 miles) and let the
differential cool before continuing during the first 45 towing miles. Change
the gear oil after the first 500 miles. This will remove any metal particles
or phosphorus coating that has come from the new gear set.
ANY OVERLOADING OR OVERHEATING CAN CAUSE THE GEAR OIL TO BREAKDOWN AND THE
RING & PINION CAN FAIL
"Richard" <ca> wrote in message
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Ford Mustang: AOD trans question with 4.10 gear
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- 08-20 07:59 PM #1RichardGuest
Re: AOD trans question with 4.10 gear
I haven't experienced any of the problems you describe. With the change I
had installed an electronic speedometer recalibration unit (
www.autotransinc.com ). This is a Canadian item but I believe there is an US
equivalent called the Dallas Speed Calibrator. What I found was that the
shift points are driven by RPM not MPH and as a consequence the shifts now
occur at a lower MPH than before. For example the shift into overdrive is
now at about 25 - 30 mph. Can't remember for sure but I think it used to be
closer to 35 - 40 before the gear change.
Break-in procedure??
--
Richard
'94 GT 'vert
Under Drive Pulleys
Transgo HD2 Reprogramming Kit
High Stall Torque Converter
4:10 Gears
Gripp Sub Frame Connectors (welded)
Laser Red
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- 08-20 08:27 PM #2vottGuest
Re: AOD trans question with 4.10 gear
- 08-22 04:12 PM #3CoryGuest
Re: AOD trans question with 4.10 gear
Well, after rebuilding an engine you should change the oil after cam
break-in and it's a good idea to change it again after the first 500 miles
or so, then go to normal 3,000 mile intervals. Sounds reasonable to me,
though I'm not sure about all that driving then stopping stuff.
"Richard" <ca> wrote in message
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- 08-22 04:57 PM #4SteveGuest
Re: AOD trans question with 4.10 gear
Driving and letting the differential cool was EXACTLY how the instructions said to break in my
Richmond 3:55's in my car. I took their advise since they're the ones who built the gearset. Who
would know better??
Steve
"Cory Dunkle" <net> wrote in message news:zhr1b.61$i%gnilink.net...
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