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12/26/11 10:52pm - Original Message: 'want to upgrade my steering unit'
chronos51
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Phoenix, AZ - USA

Vette(s):
1982 corvette crossfire production numer C5101985. Color is silver and claret. All original numbers match. slight mods to crossfire for better efficiancy and power balanced and added fuel pressure assembly between throttle bodies,

Joined: 6/12/2011
Posts: 139
I am looking at upgrading to the steeroids unit. (sooner than I wanted thanks to a tire blow out Unhappy
what I want to know is it really worth it or should I just replace the control valve (sp) and arm with something oem.
I know the rack and pinion unit is over a grand more than an oem replacement. but has anyone done this and does it make a differance in handling.
Thanks I appriciate it.
Marcus


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12/27/11 7:52am - Reply: 'Re: want to upgrade my steering unit'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19458
Marcus, several members have made the Steeroids conversion, and the results were a resounding "He!! Yeah!!!". They will chime in shortly...

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12/27/11 12:32pm - Reply: 'Re: want to upgrade my steering unit'
rraider1
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152
I did mine and it was well worth it, it replaces the steering box, control valve and actuator. in the first 10 years I owned my baby I had to replace the control valve 3 times, with one bad from supplier. my steering box was worn. I believe the only reason not to do it is if you are trying to keep it stock. if you drive the car you will love the upgrade. you can keep your old parts and return it to stock the kit is bolt in no modification needed. takes about 6 to 8 hrs at the time i installed mine they had good support .

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12/27/11 6:25pm - Reply: 'Re: want to upgrade my steering unit'
Redwingvette Lifetime Member
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Waterford, MI - USA

Vette(s):
1973 Red coupe

Joined: 9/13/2002
Posts: 1676
I went another route. I bought the Borgeson Steering box which eliminates the control valve and the cylinder. It makes for a nice clean steering system without a lot of modifications you have with the R&P system. 
Both are great mods for any C3.


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1/31/12 12:33am - Reply: 'Re: want to upgrade my steering unit'
chronos51
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Phoenix, AZ - USA

Vette(s):
1982 corvette crossfire production numer C5101985. Color is silver and claret. All original numbers match. slight mods to crossfire for better efficiancy and power balanced and added fuel pressure assembly between throttle bodies,

Joined: 6/12/2011
Posts: 139
so in all honesty which system works best?
I dont want to spend thousands trying to figure it out. I want a safe car that will handle like a car and not like an old truck.
this is my issue and my dilema.
Ive looked at the steeroids and the flaming river units, both seem to have more parts that could go wrong the borg system doesnt involve as many parts yet seemed interesting to instal considering reading your post.
 
I want a safe car, at the moment I do not have that
marcus


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1/31/12 8:07am - Reply: 'Re: want to upgrade my steering unit'
crossfire1982
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Cramerton, NC - USA

Vette(s):
black 1982 coupe slate gray interior, 350 crossfire, 1985 fuel pump, Steeroids R&P conversion

Joined: 8/22/2006
Posts: 1094
which one works best is a very subjective question and would probably require someone who owned one of each to answer with any authority.  The borg  unit is a really clean and neat installation, but I've never driven one.  I have a steeroids unit and love it, but how it compares with the borg unit, I have no idea.  If you have questions regarding the OEM system, we have a new member here, Jim Shea (JIML82), who is the absolulte authority on early corvette steering issues.

|UPDATED|1/31/2012 6:07:16 AM (AZT)|/UPDATED|


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1/31/12 8:23am - Reply: 'Re: want to upgrade my steering unit'
manchestershark Lifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.

Joined: 10/31/2007
Posts: 1901
Thumbs Up I did my 72' in all O.E.M. new parts.  It is just a driver, no racer, canyon carver. I enjoy it very much. I agree the control valve can be a pain to master, but it can be done. It all depends on what you want to do with the car.  I'm happy.

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1/31/12 6:12pm - Reply: 'Re: want to upgrade my steering unit'
The Rook Lifetime Member
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Pittsburgh, PA - USA

Vette(s):
1979 L-82, 3 spd auto, car was originally Lt. Beige currently painted Sportsman Red, Doeskin leather interior, 103,000 miles......

Joined: 12/4/2002
Posts: 600
Im kinda hoping that Jim Shea jumps in on this. I'd love to have his opinion....

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2/2/12 1:35pm - Reply: 'Re: want to upgrade my steering unit'
JIML82
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Saginaw, MI - USA

Vette(s):
1975, L82, 4-spd, vert 1976 L48, 4-spd 1980 L48, 4-spd

Joined: 1/30/2012
Posts: 4
I really don't have a solid opinion on the subject.  I know of many, many owners that are very happy with their Steeroids, Borgeson, and other types of steering systems in their Corvettes.  A refurbished OEM system will also very adequately steer your car.  Exactly what system is best?  It really is a personal opinion.
 
The OEM linkage booster system has multiple hoses and leak points.  Also you have to move the stud on the control valve in order to gain power assist.  The valve is downstream from the steering gear (between the linkage and the pitman arm.)  This fact means that any movement of the stud is magnified by the gear box ratio (16:1 in the case of the Corvette manual gear) and will translate to lost motion.  
 
An integral power gear or a rack and pinion gear has the valve on the upstream (steering column) end of the gear.  So the action of the rotary valve is a direct relationship to the input from the steering wheel.  This fact should weigh toward this type of steering system.  
 
Saginaw engineering tried to talk Chevrolet engineering into a Corvette integral power gear upgrade back around 1967-1968.  They actually engineered a special cast housing that would bolt into a C3 chassis.  The C2/C3 frame (in the gear mounting area) is not parallel to the centerline of the car.  So the mounting pads on the gear had to be shifted by roughly 4 degrees in order to match the frame.  Also the front crossmember had to be modified to clear the forward part of the power gear.  A 1968 Chevrolet Engineering Corvette was modified to accept the prototype Saginaw gear.  Chevrolet's evaluation indicated that the integral power gear was not a substantial improvement over the OEM linkage booster system. 
 
Modifying the production front crossmember is quite an expensive change.  Whether the Chevrolet decision was more money related than actual performance, we will never know. 
 
I do know this, one of the prototype gears managed to escape from Saginaw engineering.  There is a 427, 435 horse, 1968 convertible that still has an integral power gear (and a T&T steering column).  The only one in the world. 
 
Jim


|UPDATED|2/2/2012 11:35:00 AM (AZT)|/UPDATED|


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2/2/12 8:48pm - Reply: 'Re: want to upgrade my steering unit'
lukesvette Lifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6806
Steeroinds has my vote!! Thumbs Up

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2/2/12 8:56pm - Reply: 'Re: want to upgrade my steering unit'
The Rook Lifetime Member
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Pittsburgh, PA - USA

Vette(s):
1979 L-82, 3 spd auto, car was originally Lt. Beige currently painted Sportsman Red, Doeskin leather interior, 103,000 miles......

Joined: 12/4/2002
Posts: 600
JIML82 said: I really don't have a solid opinion on the subject.  I know of many, many owners that are very happy with their Steeroids, Borgeson, and other types of steering systems in their Corvettes.  A refurbished OEM system will also very adequately steer your car.  Exactly what system is best?  It really is a personal opinion.
 
The OEM linkage booster system has multiple hoses and leak points.  Also you have to move the stud on the control valve in order to gain power assist.  The valve is downstream from the steering gear (between the linkage and the pitman arm.)  This fact means that any movement of the stud is magnified by the gear box ratio (16:1 in the case of the Corvette manual gear) and will translate to lost motion.  
 
An integral power gear or a rack and pinion gear has the valve on the upstream (steering column) end of the gear.  So the action of the rotary valve is a direct relationship to the input from the steering wheel.  This fact should weigh toward this type of steering system.  
 
Saginaw engineering tried to talk Chevrolet engineering into a Corvette integral power gear upgrade back around 1967-1968.  They actually engineered a special cast housing that would bolt into a C3 chassis.  The C2/C3 frame (in the gear mounting area) is not parallel to the centerline of the car.  So the mounting pads on the gear had to be shifted by roughly 4 degrees in order to match the frame.  Also the front crossmember had to be modified to clear the forward part of the power gear.  A 1968 Chevrolet Engineering Corvette was modified to accept the prototype Saginaw gear.  Chevrolet's evaluation indicated that the integral power gear was not a substantial improvement over the OEM linkage booster system. 
 
Modifying the production front crossmember is quite an expensive change.  Whether the Chevrolet decision was more money related than actual performance, we will never know. 
 
I do know this, one of the prototype gears managed to escape from Saginaw engineering.  There is a 427, 435 horse, 1968 convertible that still has an integral power gear (and a T&T steering column).  The only one in the world. 
 
Jim




Thanks for the input Jim.....

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LIFETIME MEMBER #183
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