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Steering Rack Ratio ??? by Ales
Started on: 10-22-2004 11:08 AM
Replies: 10
Last post by: ricreatr on 10-26-2004 11:42 AM
Ales
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Report this Post10-22-2004 11:08 AM Click Here to See the Profile for AlesSend a Private Message to AlesDirect Link to This Post

Hi all,

I have a 3.5 ratio steering rack in my car, and I know that some Fieros came with 3.0 ratio steering racks, I would like to find one of those to put on my Fiero, but I dont know in which cars do I have to look for it ??? which years and which models GT, SE, Coupe ??? Anyone ???

Thanks a lot for your Help ...
Ales

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jscott1
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Report this Post10-22-2004 12:37 PM Click Here to See the Profile for jscott1Send a Private Message to jscott1Direct Link to This Post
My understanding is that the GTs came with the quicker ratio racks. Of course 85-87 will be different from 88
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RickN
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Report this Post10-22-2004 12:44 PM Click Here to See the Profile for RickNSend a Private Message to RickNDirect Link to This Post
I think you'll find that 3.0 or 3.5 is not the steering ratio. It is the turns, stop to stop of the steering wheel. The actual steering ratios are numbers like 19:1, 22:1, etc. According to the book "Fiero" by Gary Witzenburg, '85-'87 Coupe, Sport Coupe, and SE had 22.0:1 ratio. All others had 19.2:1 ratios.
Here's an earlier thread on the subject:


https://www.fiero.nl/forum/Forum2/HTML/053204.html

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RickN
White 88GT 5spd
White 85GT Auto

[This message has been edited by RickN (edited 10-26-2004).]

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82-T/A [At Work]
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Report this Post10-22-2004 01:50 PM Click Here to See the Profile for 82-T/A [At Work]Send a Private Message to 82-T/A [At Work]Direct Link to This Post
It would be great if someone knew the RPOs....

I have a couple Fieros and if I knew which ones were best, I'd pull them out of the Fieros at the yard.


Which one is best, the smaller numbered one, or the higher numbered one... (sorry if that's a dumb question! hehe).

Thanks,

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Todd,
2002 Ford Crown Victoria LX
1997 Pontiac Grand Am GT
1987 Pontiac Fiero SE / V6 5-Speed
1987 Pontiac Fiero SE / V6 (3.2L) Auto
1984 Pontiac Fiero 2m4 SE
1981 Pontiac TransAm (sbc 350)
1973 Volkswagen Type-2 Transporter

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RickN
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Report this Post10-22-2004 06:37 PM Click Here to See the Profile for RickNSend a Private Message to RickNDirect Link to This Post
 
quote
Originally posted by 82-T/A [At Work]:

Which one is best, the smaller numbered one, or the higher numbered one... (sorry if that's a dumb question! hehe).


19:1 is faster steering than 22:1, fewer turns of the steering wheel.

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Oreif
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Report this Post10-22-2004 07:00 PM Click Here to See the Profile for OreifClick Here to visit Oreif's HomePageSend a Private Message to OreifDirect Link to This Post
IRM use to sell 16:1 racks. These were the same ones used on the SD4 Pace Cars. I think you can still buy the gears and rebuild it youself. 16:1 is about 2.5 turns lock to lock. I can look up which company made the gears when I get home tonight.

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natnov
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Report this Post10-22-2004 08:23 PM Click Here to See the Profile for natnovSend a Private Message to natnovDirect Link to This Post
Does anyone know if those gears for the Indy Pace car would work in an 88?
Nate
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natnov
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Report this Post10-24-2004 09:37 PM Click Here to See the Profile for natnovSend a Private Message to natnovDirect Link to This Post
bump
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82-T/A [At Work]
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Report this Post10-25-2004 08:10 AM Click Here to See the Profile for 82-T/A [At Work]Send a Private Message to 82-T/A [At Work]Direct Link to This Post
Another bump.... does anyone know which cars had the 19:1 steering ratio? Were those the cars that were equipped with WS6? Was it part of the WS6 package? Anyone know the RPO?

I have a couple of 87 SEs and I don't think they have it. On the other hand, I have a WS6 2m4 and it feels like it turns much more sharply???

Thanks!

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Todd,
2002 Ford Crown Victoria LX
1997 Pontiac Grand Am GT
1987 Pontiac Fiero SE / V6 5-Speed
1987 Pontiac Fiero SE / V6 (3.2L) Auto
1984 Pontiac Fiero 2m4 SE
1981 Pontiac TransAm (sbc 350)
1973 Volkswagen Type-2 Transporter

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Kohburn
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Report this Post10-25-2004 10:21 AM Click Here to See the Profile for KohburnSend a Private Message to KohburnDirect Link to This Post
 
quote
Originally posted by Oreif:

IRM use to sell 16:1 racks. These were the same ones used on the SD4 Pace Cars. I think you can still buy the gears and rebuild it youself. 16:1 is about 2.5 turns lock to lock. I can look up which company made the gears when I get home tonight.

now that would be some good info to have.. i suspect the rack in my 84se is the 19.. i replaced the rack in my old 86se with an 84 rack and it did tighten up the stearing.

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ricreatr
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Report this Post10-26-2004 11:42 AM Click Here to See the Profile for ricreatrSend a Private Message to ricreatrDirect Link to This Post
yeah! info on the gears!
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