door label - rear end?
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Cargo Master
Joined: Dec 2006
Posts: 3,489
Likes: 45
From: Central NY
door label - rear end?
From reading other threads, i think the below door label means I have:
Limited slip
9.75"
3.55 gears
my label says:
BRK
C
INT TR
HH
R
8
AXLE
H9
TR
U
SPR
69
1F514
F0A
Am I right? what does the rest of it mean?
Is 3.55" "OK" for towing? don't know much about it.
Limited slip
9.75"
3.55 gears
my label says:
BRK
C
INT TR
HH
R
8
AXLE
H9
TR
U
SPR
69
1F514
F0A
Am I right? what does the rest of it mean?
Is 3.55" "OK" for towing? don't know much about it.
Last edited by rsylvstr; Mar 31, 2007 at 10:36 AM.
Cargo Master
Joined: Dec 2003
Posts: 2,735
Likes: 38
From: Sunny Florida
With the 5.4 it will tow fine with 3.55 gears and even better if you have a manual trans. The 3.55 is a good all around gear ratio to have or I think it is.
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Cargo Master
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From: Central NY
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Post Fiend
Joined: Jan 2007
Posts: 18,157
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From: Stanton DE
It all depends on what size tires you are running.
When I went from 3.55 to 4.10 My guy told me it was not worth the money to go from 3.55 to 3.37.He said I would hardly feel a difference.
With the 4.10s and my stock 16" tires it runs about 400 more RPMs at 70 MPH then it did with the 3.55s.
When I went from 3.55 to 4.10 My guy told me it was not worth the money to go from 3.55 to 3.37.He said I would hardly feel a difference.
With the 4.10s and my stock 16" tires it runs about 400 more RPMs at 70 MPH then it did with the 3.55s.
Cargo Master
Joined: Aug 2002
Posts: 2,117
Likes: 8
From: Over Yonder, MN
BRK - Brakes, though I don’t have a C listed as an option It’s probably 4 wheel anti-lock.
INT TR - Interior Trim, Leather captains chairs, Medium parchment
R - AM/FM premium stereo with compact disc (CD) changer and cassette
AXLE - 3.55, limited slip
TR - Transmission, four speed automatic AODE (4R70W)
SPR - Spring codes YL34-5560-AF, Leaf. You should have a letter and not a number for the front springs
The last few numbers are your power train calibration codes.
INT TR - Interior Trim, Leather captains chairs, Medium parchment
R - AM/FM premium stereo with compact disc (CD) changer and cassette
AXLE - 3.55, limited slip
TR - Transmission, four speed automatic AODE (4R70W)
SPR - Spring codes YL34-5560-AF, Leaf. You should have a letter and not a number for the front springs
The last few numbers are your power train calibration codes.
Last edited by screwy; Apr 2, 2007 at 11:36 AM.
Elder User
Joined: Nov 2005
Posts: 788
Likes: 0
From: Cottage Grove, Minnesota
Originally Posted by rsylvstr
what's the 3.55 like for towing?
Originally Posted by rsylvstr
so, like a 3.73 (if it exists) would give better mileage, but not as good for towing?
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