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Rack lock to lock ratio #: 1691

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Posted: Tue Jul 9th, 2019 11:19 am

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JAMMAN

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I have been reading that there are different racks in the extended cab VS the short cab, something about a different lock to lock ratio.

Can anyone find exact data to support this?

As I read it seems that the ex cabs have a quicker ratio than the short cabs which makes sense but yesterday was the first time I had seen this.

What are the ratios and can you get racks (off the shelf) that have a tighter ratio?

I found different part numbers for the ex cab and the short cab from some vendors and the same number from others. ?

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Posted: Wed Jul 10th, 2019 05:52 am

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Rack specs for 2000 and 2003 are:

R/C: 1.51" / rev.
S/C: 1.74" / rev.

I don't have dealer books for any other years but I would guess that all of the North American 98~11 rack and pinion Rangers have similar specs.

Last edited on Wed Jul 10th, 2019 05:56 am by V8 Level II

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Posted: Wed Jul 10th, 2019 09:36 am

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Thanks Bob but having a hard time with r/c s/c which one is the extended cab? rc could be regular sc could be short so it would be the same.

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Posted: Wed Jul 10th, 2019 10:12 am

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rc regular cab sc super cab I am pretty sure

interesting info about the racks! I wonder what the explorer uses.......1.7 seems right from doing all these alignments over the years

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Posted: Wed Jul 10th, 2019 03:51 pm

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410customs wrote:
rc regular cab sc super cab I am pretty sure

yes

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Posted: Wed Jul 10th, 2019 03:55 pm

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This all started when I noticed though my short cab has a smaller turning radius it seems to take longer to get there. So I was looking at ratios to see if there is a replacement. Even on a short cab if you drive 80 or below which I do, you should be able to handle quicker steering.

Is it a good assumption that physically the mounting on a same year 4WD between the ex cab and short cab should be identical?

AND is super cab the proper term regardless of 4 door or 2 door? Like "style side" instead of "step side"

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Posted: Wed Jul 10th, 2019 10:07 pm

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JAMMAN wrote:
This all started when I noticed though my short cab has a smaller turning radius it seems to take longer to get there. So I was looking at ratios to see if there is a replacement. Even on a short cab if you drive 80 or below which I do, you should be able to handle quicker steering.

I'm curious as to the catalyst that provoked this question in your head while turning into the local Subway sandwich shop considering U-turns aren't a legal option in Ohio... LOL

Your mind works in mysterious and strange aspects sometimes Jim.. (o_O) ? LMAO

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Posted: Thu Jul 11th, 2019 06:44 am

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If you only knew.

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Posted: Tue Jul 16th, 2019 04:55 am

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JAMMAN wrote:
If you only knew.
If I did... I'd own a cable Television show ranking in the top 15 slots of prime time television and we'd both have more money than we do.

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Posted: Tue Jul 16th, 2019 05:40 pm

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JAMMAN wrote:
This all started when I noticed though my short cab has a smaller turning radius it seems to take longer to get there. So I was looking at ratios to see if there is a replacement. Even on a short cab if you drive 80 or below which I do, you should be able to handle quicker steering.

Is it a good assumption that physically the mounting on a same year 4WD between the ex cab and short cab should be identical?

AND is super cab the proper term regardless of 4 door or 2 door? Like "style side" instead of "step side"
Jim, I always call the Rangers like mine extended cab whether it is a 2 door or 4 door.

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Posted: Tue Jul 16th, 2019 06:38 pm

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I confirmed it over the weekend... it takes 2 complete turns a side to lock my short cab, takes 1.5 turns a side to lock my ex cab.

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Posted: Tue Jul 16th, 2019 10:40 pm

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JAMMAN wrote:
I confirmed it over the weekend... it takes 2 complete turns a side to lock my short cab, takes 1.5 turns a side to lock my ex cab.
I would associate that with the necessary amount of turn-in difference needed to match both trucks in similar driving characteristics based upon wheel base.

It's possible although albeit slight to maybe moderate if interchangeable. You may see yourself having a new learning curve going around corners at different but higher speeds or making evasive maneuvers. I would think tire size may also have an affect in reducing or inducing how that feels possibly..

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Posted: Wed Jul 17th, 2019 11:55 pm

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Now I'm curious if they have the same degree of turn as well, / / ?

Last edited on Wed Jul 17th, 2019 11:55 pm by Eddie Money

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Posted: Thu Jul 18th, 2019 04:02 pm

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Same degree in the end, just the short cab takes more turns to get there than the extended cab.

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Posted: Thu Jul 18th, 2019 07:47 pm

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Eddie Money wrote:
Now I'm curious if they have the same degree of turn as well, / / ?

JAMMAN wrote:
Same degree in the end, just the short cab takes more turns to get there than the extended cab.
Well think about how something as short as a Honda CRX or a Suzuki Samurai turns in comparison to say an F150, even with a 6ft bed, or a 3500 Series with an 8ft bed? Although I'm sure quite possible, I haven't seen any fellow F450 Dually long beds competing in any drift competitions.. lol

There must be a design reason why the wheelbase affected the turning radius of a vehicle.

Last edited on Thu Jul 18th, 2019 07:48 pm by Undrstm8ed

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Posted: Thu Jul 18th, 2019 11:18 pm

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Undrstm8ed wrote:
Eddie Money wrote:

Now I'm curious if they have the same degree of turn as well, / / ?

JAMMAN wrote:

Same degree in the end, just the short cab takes more turns to get there than the extended cab.
Well think about how something as short as a Honda CRX or a Suzuki Samurai turns in comparison to say an F150, even with a 6ft bed, or a 3500 Series with an 8ft bed? Although I'm sure quite possible, I haven't seen any fellow F450 Dually long beds competing in any drift competitions.. lol

There must be a design reason why the wheelbase affected the turning radius of a vehicle.
I watched a show on building a drift car and one of the things they did was swap out stuff to get the wheels to turn farther in each direction. That's what inspired my curiosity

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Posted: Fri Jul 19th, 2019 08:23 am

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I like that and it would help in parking lots, I don't know what the angle limitations of the CV joint is. Probably good mod for a 2WD

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Posted: Fri Jul 19th, 2019 09:01 am

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JAMMAN wrote:
Same degree in the end, just the short cab takes more turns to get there than the extended cab.
I have to do a little thinking on that one. It seems like it would be the other way around.

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Posted: Fri Jul 19th, 2019 05:25 pm

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If you turn both steering wheels the same amount the wheels on both vehicles will end up at different angles.

If you turn to full lock on both vehicles one takes more turns to get there

Last edited on Fri Jul 19th, 2019 06:19 pm by Arthur

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