gear ratio
Thread Starter
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Member
Joined: Jun 1999
Posts: 49
Likes: 0
From: Winsted, CT, US
Look at the metal tag attached to the dust cover on your axle. The code tells you what gear ratio and axle you have. Mine has:
373_975_8k23
3.73 ratio, 9.75" rear
If you see "ls" in the code, you have the trac-lok limited slip, if not, open diff.
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99 XLT Black Ex-cab, Flareside, 5.4, ORP, 3.73, Gibson Supertruck, K&N, Superchip, WMS Velocity Tube, Modified Airbox, Slap-Free Motor at @19k
373_975_8k23
3.73 ratio, 9.75" rear
If you see "ls" in the code, you have the trac-lok limited slip, if not, open diff.
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99 XLT Black Ex-cab, Flareside, 5.4, ORP, 3.73, Gibson Supertruck, K&N, Superchip, WMS Velocity Tube, Modified Airbox, Slap-Free Motor at @19k
Junior Member
Joined: May 2000
Posts: 3
Likes: 0
From: Conway, S.C.
gear ratio
How do I go about determining the gear ratio of my F150? It is a 98 4.2L 5 speed manual.
On the door jamb of the drivers side it has an axle code 19. I purchased it used with
12k miles on it, so I do not have the window sticker info.
Thanks
Perry
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In the end there can be only one.
On the door jamb of the drivers side it has an axle code 19. I purchased it used with
12k miles on it, so I do not have the window sticker info.
Thanks
Perry
------------------
In the end there can be only one.