re gearing
Senior User
Joined: Jun 2003
Posts: 240
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From: Pasadena Kalifornia
re gearing
I did 4.56 and feel that it is about perfect (especially if you're going to tow.
Keep in mind that if you do 4.56's, you can't really go to any tire smaller than 35" in the future.
4.56's and 35" tires = Approximately... stock tires and 4.10's (like the dually)
But, if you're going to keep at least 36" tires, then go 4.56.
4.10's would be ok, too...if you don't tow heavy and might go back to a smaller tire later.
-T
Keep in mind that if you do 4.56's, you can't really go to any tire smaller than 35" in the future.
4.56's and 35" tires = Approximately... stock tires and 4.10's (like the dually)
But, if you're going to keep at least 36" tires, then go 4.56.
4.10's would be ok, too...if you don't tow heavy and might go back to a smaller tire later.
-T
Thread Starter
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Senior User
Joined: Feb 2003
Posts: 201
Likes: 0
From: Phoenix, AZ
re gearing
yea i was just on www.4lo.com and figured out that 4.56s would put me about 100 RPM faster than i'm running now. so 4.56 sounds good thanks!!
Senior User
Joined: Jun 2003
Posts: 240
Likes: 0
From: Pasadena Kalifornia
re gearing
that 100 RPM's is helpful if you are towing and also helps to offset the weight of the new tires.
Adding reciprocating weight is like a land anchor!
The tires slow down the truck quite a bit (even with appropriate gearing)
-T
Adding reciprocating weight is like a land anchor!
The tires slow down the truck quite a bit (even with appropriate gearing)
-T
Posting Guru
Joined: Oct 2002
Posts: 1,253
Likes: 0
From: Del Rio, Texas USA
re gearing
i run 36" PJs and have 4.56's i tow 90% of the time with this setup.. the 4.56's were not low enough!! it puts you at about a 4.10 range with stock tires.. if you want about a 4.30 range with stock tires you need 4.88's!!
DCSpecial can give you exact chart numbers but i promise you this is accurate... with 38's 4.56's will be a bit higher gear than 3.73's stock!
Jejtock16
DCSpecial can give you exact chart numbers but i promise you this is accurate... with 38's 4.56's will be a bit higher gear than 3.73's stock!
Jejtock16
Senior User
Joined: Jun 2003
Posts: 240
Likes: 0
From: Pasadena Kalifornia
re gearing
Originally posted by jetjock16
i run 36" PJs and have 4.56's i tow 90% of the time with this setup.. the 4.56's were not low enough!! it puts you at about a 4.10 range with stock tires.. if you want about a 4.30 range with stock tires you need 4.88's!!
DCSpecial can give you exact chart numbers but i promise you this is accurate... with 38's 4.56's will be a bit higher gear than 3.73's stock!
Jejtock16
i run 36" PJs and have 4.56's i tow 90% of the time with this setup.. the 4.56's were not low enough!! it puts you at about a 4.10 range with stock tires.. if you want about a 4.30 range with stock tires you need 4.88's!!
DCSpecial can give you exact chart numbers but i promise you this is accurate... with 38's 4.56's will be a bit higher gear than 3.73's stock!
Jejtock16
-T
Posting Guru
Joined: Oct 2002
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From: Del Rio, Texas USA
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Senior User
Joined: Jun 2003
Posts: 240
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From: Pasadena Kalifornia
re gearing
Originally posted by jetjock16
excellent point, with the diesel im sure 4.56's would be about perfect!
excellent point, with the diesel im sure 4.56's would be about perfect!
-T
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Posting Guru
Joined: Oct 2002
Posts: 1,253
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From: Del Rio, Texas USA
re gearing
on a side note, may i say, no way is a 8" lift of any brand going to clear 38 inch PJ's, maybe could clear 38" swampers, barely, but PJ's measure out taller than swampers and i promise will take your front fenders out uner hard 4x4 conditions... be careful watch for that... i run 9.5/12" lift and my 36" pJs come within less than an inch under max articulation!!
Senior User
Joined: Jun 2003
Posts: 240
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From: Pasadena Kalifornia
re gearing
Originally posted by jetjock16
on a side note, may i say, no way is a 8" lift of any brand going to clear 38 inch PJ's, maybe could clear 38" swampers, barely, but PJ's measure out taller than swampers and i promise will take your front fenders out uner hard 4x4 conditions... be careful watch for that... i run 9.5/12" lift and my 36" pJs come within less than an inch under max articulation!!
on a side note, may i say, no way is a 8" lift of any brand going to clear 38 inch PJ's, maybe could clear 38" swampers, barely, but PJ's measure out taller than swampers and i promise will take your front fenders out uner hard 4x4 conditions... be careful watch for that... i run 9.5/12" lift and my 36" pJs come within less than an inch under max articulation!!
This is a pic of an 8" Edge lift with 38" PJ's (mine)
With the bump stops, it wouldn't hit.
-T
Post Fiend
Joined: Dec 2002
Posts: 6,245
Likes: 1
From: IL, USA
re gearing
Like they said 4.56 with 38" PJs are closest to the stock 31.6" tires with 3.73s.
My F-450 PSD ZF-6 has 4.88s with the stock tires....good pulling power but pushes high RPMs on the highway.
If I decide on 38" PJs on my F-350 PSD I think I might run some 4.88s.........not sure
My F-450 PSD ZF-6 has 4.88s with the stock tires....good pulling power but pushes high RPMs on the highway.
If I decide on 38" PJs on my F-350 PSD I think I might run some 4.88s.........not sure
Post Fiend
Joined: Dec 2002
Posts: 6,245
Likes: 1
From: IL, USA
re gearing
Originally posted by jetjock16
on a side note, may i say, no way is a 8" lift of any brand going to clear 38 inch PJ's, maybe could clear 38" swampers, barely, but PJ's measure out taller than swampers and i promise will take your front fenders out uner hard 4x4 conditions... be careful watch for that... i run 9.5/12" lift and my 36" pJs come within less than an inch under max articulation!!
on a side note, may i say, no way is a 8" lift of any brand going to clear 38 inch PJ's, maybe could clear 38" swampers, barely, but PJ's measure out taller than swampers and i promise will take your front fenders out uner hard 4x4 conditions... be careful watch for that... i run 9.5/12" lift and my 36" pJs come within less than an inch under max articulation!!
If you mount them on a 12" wide rim (as is recommended by Parnelli Jones) then you would need a 10.5" lift if you off road hard.
Guess it all depends on how you use the truck and the look that you are after....
EDIT: Almost forgot.....The Edge 8" springs help clearance issues somewhat with a 1" push on the center pin of the front springs.
Last edited by DCSpecial; Jun 13, 2003 at 08:15 PM.
Post Fiend
Joined: Apr 2002
Posts: 5,438
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From: IN FRONT OF YOU
re gearing
Originally posted by 4D4X4
kehale, whats up with your bumper?? did you have it cut to clear your tires or is it aftermarket?
kehale, whats up with your bumper?? did you have it cut to clear your tires or is it aftermarket?
