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Old 12-10-2005, 08:48 AM
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MAVAL Rack and Pinion Cross steering

any body using this setup on a 37 ford or anything else for that matter? its offered by Posies Rods and Customs.


i put a rack and pinion set up on my vette last winter and it was a traditional type unit with a tie rod sticking out of both sides....sounds like this has only one output shaft (tierod) that will go to the passenger side steering arm...anybody know anything about this set up or can point me to some more info on it. thanks bob

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Old 12-10-2005, 09:08 AM
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I like the new Maval rack and pinion setup.
I bought one for my new 32 chassis that I am doing.
I have not yet driven it ....

But it steers the wheels real easy......with everything sitting on the ground.



Plan on driving it the summer of 06....

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Old 12-10-2005, 09:13 AM
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Quote:
Originally Posted by 37ford4dr
anybody know anything about this set up or can point me to some more info on it. thanks bob

here you go.....

http://www.mavalgear.com/
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Old 12-10-2005, 09:40 AM
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Quote:
Originally Posted by Deuce


I like the new Maval rack and pinion setup.
I bought one for my new 32 chassis that I am doing.
I have not yet driven it ....

But it steers the wheels real easy......with everything sitting on the ground.



Plan on driving it the summer of 06....

thanksk Deuce.....so does the Drivers side just have a "blanked" off side?
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Old 12-10-2005, 09:46 AM
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Quote:
Originally Posted by 37ford4dr
thanksk Deuce.....so does the Drivers side just have a "blanked" off side?
YES....


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Old 12-10-2005, 10:07 AM
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Quote:
Originally Posted by Deuce
YES....


i bet between the kingpin set up and the rack and pinion set up there is no need for power steering even on a fat fenderd ride, what do you think?
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Old 12-10-2005, 10:20 AM
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IF you keep the wheel offset to a minimum ......or zero....I believe it would would great.
If you draw a imaginary line thru the kingpins.....the line should hit in the center of the rim.....for best results. More than Zero offset increases the effort to turn the wheels. On the IFS systems I have dealt with on 35 to 40 Fords...I have not seen the need for PS.

BUT I do pay attention to the wheel offset.

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Old 12-10-2005, 09:25 PM
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why do you suppose Speedway says the cross steer rack is for 23-34 fords only?

http://www.speedwaymotors.com/xq/asp...qx/Product.htm
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Old 12-11-2005, 10:51 AM
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Quote:
Originally Posted by Deuce
IF you keep the wheel offset to a minimum ......or zero....I believe it would would great.
If you draw a imaginary line thru the kingpins.....the line should hit in the center of the rim.....for best results. More than Zero offset increases the effort to turn the wheels. On the IFS systems I have dealt with on 35 to 40 Fords...I have not seen the need for PS.

BUT I do pay attention to the wheel offset.


It is called "scrub radius". For zero scrub radius the imaginary line would hit the centerline of the tread of the tire at the ground when the tire is loaded.

Don't confuse zero offset wheels with zero scrub radius. Zero offset wheels will not necessarily give you zero scrub radius.

SCRUB RADIUS
Definition: The distance between the extended centerline of the steering axis and the centerline of the tire where the tread contacts the road. If the steering centerline is inboard of the tire centerline, the scrub radius is positive. If the steering centerline is outboard of the tire centerline, the scrub radius is negative. Rear-wheel drive cars and trucks generally have a positive scrub radius while FWD cars usually have zero or a negative scrub radius because they have a higher SAI angle. Using wheels with different offset than stock will alter the scrub radius. Using tires of different diameters than stock will alter the scrub radius.

plug "scrub radius" into google

http://autorepair.about.com/library/...bldef-725a.htm

http://autorepair.about.com/library/...bldef-748a.htm

Last edited by xntrik; 12-11-2005 at 11:00 AM.
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Old 12-11-2005, 11:05 AM
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Quote:
Originally Posted by 37ford4dr
why do you suppose Speedway says the cross steer rack is for 23-34 fords only?

http://www.speedwaymotors.com/xq/asp...qx/Product.htm
they are significantly lighter // than a 37 with a SBC, AC, etc. and all the steering load from both front tires is coming from only one side of the rack.. (not pushing one side and pulling the other)
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Old 12-11-2005, 04:48 PM
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Quote:
Originally Posted by xntrik
they are significantly lighter // than a 37 with a SBC, AC, etc. and all the steering load from both front tires is coming from only one side of the rack.. (not pushing one side and pulling the other)

thanks, i can see the difference between zero offset and the zero scrub radius. Getting back to the Maval cross steering so does it have the strength to do a 37 ford with a SBC? Looks like Pete and Jakes and Posies is selling it for the 37s any body have any thoughts on this? thanks bob
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