mono-ball bj's
Thread Starter
Team Owner
Joined: Mar 2001
Posts: 30,847
Likes: 293
From: Boston, Dallas, Detroit, SoCal, back to Boston MA
mono-ball bj's
If they'll clear my wheels, looks like a great way to raise my upper control arms
http://www.circletrack.com/techartic.../photo_03.html
Like the tip
http://www.circletrack.com/techartic.../photo_03.html
Like the tip
Monoball ball joints allow adjustment in height to change the angle of the control arm. These items have become very popular with many teams. Teams in Stock classes have been known to weld the dust caps from stock units onto these so that they appear stock. You didn't hear that here.
Melting Slicks
Joined: Feb 2006
Posts: 2,753
Likes: 15
From: backwoods upstate ny
off road only
http://www.speedwaymotors.com/RAISED...OINT,3522.html
http://www.speedwaymotors.com/Replac...oint,2111.html
NOT bolt-on...some fab reqd.
changing a-arm pivot heights will change "instant centers" of vehicle suspension, may result in extreme changes to steering with potential for loss of operator control resulting in injury or death, should only be done by professionals.
http://www.speedwaymotors.com/Replac...oint,2111.html
NOT bolt-on...some fab reqd.
changing a-arm pivot heights will change "instant centers" of vehicle suspension, may result in extreme changes to steering with potential for loss of operator control resulting in injury or death, should only be done by professionals.
Pro
Joined: Mar 2008
Posts: 702
Likes: 0
http://www.speedwaymotors.com/RAISED...OINT,3522.html
http://www.speedwaymotors.com/Replac...oint,2111.html
NOT bolt-on...some fab reqd.
changing a-arm pivot heights will change "instant centers" of vehicle suspension, may result in extreme changes to steering with potential for loss of operator control resulting in injury or death, should only be done by professionals.
http://www.speedwaymotors.com/Replac...oint,2111.html
NOT bolt-on...some fab reqd.
changing a-arm pivot heights will change "instant centers" of vehicle suspension, may result in extreme changes to steering with potential for loss of operator control resulting in injury or death, should only be done by professionals.
Thread Starter
Team Owner
Joined: Mar 2001
Posts: 30,847
Likes: 293
From: Boston, Dallas, Detroit, SoCal, back to Boston MA
I'm building a model of the suspension, I also have someone helping me out.
I know where I can get metric and regular GM versions, but I'm also fabbing fully adjustable a-arms.
http://www.guldstrand.com/scripts/pr...?idproduct=181
I know where I can get metric and regular GM versions, but I'm also fabbing fully adjustable a-arms.
http://www.guldstrand.com/scripts/pr...?idproduct=181
Safety Car
Joined: Nov 2005
Posts: 4,590
Likes: 48
From: W MI
Melting Slicks
Joined: Feb 2006
Posts: 2,753
Likes: 15
From: backwoods upstate ny
most do 1/4, 1/2, even full size "front view" layouts on paper to determine pivot points and arm lengths...faster and cheaper than experimenting in steel.
inner pivots on early adjustable a-arms were problematic due to inner pivots rotating around the cross shafts...current fad:
http://www.speedwaymotors.com/ADJUST...T-8-,2117.html
note attractive price and ready for screw-in b/j...check your local circle track vendor, similar price/slight variations abound
inner pivots on early adjustable a-arms were problematic due to inner pivots rotating around the cross shafts...current fad:
http://www.speedwaymotors.com/ADJUST...T-8-,2117.html
note attractive price and ready for screw-in b/j...check your local circle track vendor, similar price/slight variations abound
Thread Starter
Team Owner
Joined: Mar 2001
Posts: 30,847
Likes: 293
From: Boston, Dallas, Detroit, SoCal, back to Boston MA
Thanks for the link, I was wonder why they didn't go direct.
That's how my friends GT1 car is setup.
BTW I can do it on paper, but I own my own seat of SolidWorks.
I modeled the mono-ball balljoint today.
Car frame
upright
That's how my friends GT1 car is setup.
BTW I can do it on paper, but I own my own seat of SolidWorks.
I modeled the mono-ball balljoint today.
Car frame
upright
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Thread Starter
Team Owner
Joined: Mar 2001
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From: Boston, Dallas, Detroit, SoCal, back to Boston MA
Will do
CAD model is coming along.
For now, I'm not actually replacing the bottom one, just the top. It was easy to do a copy/paste and change the dimensions.
CAD model is coming along.
For now, I'm not actually replacing the bottom one, just the top. It was easy to do a copy/paste and change the dimensions.
Thread Starter
Team Owner
Joined: Mar 2001
Posts: 30,847
Likes: 293
From: Boston, Dallas, Detroit, SoCal, back to Boston MA
I got the upright modeled, if you recheck the photo above you'll see it's been added, which means I can start playing with it.
All I can say right now, it's that it's rather enlightening to say the least!
All I can say right now, it's that it's rather enlightening to say the least!
Thread Starter
Team Owner
Joined: Mar 2001
Posts: 30,847
Likes: 293
From: Boston, Dallas, Detroit, SoCal, back to Boston MA
If you recheck the photo, you'll see I added the ground.
Tire circle looks below the surface since it gets squished by the weight of the car.
In order to compensate the lower control arm is no longer level. very similar to the rear.
I'm looking forward to doing the rear and seeing how they match.
right now I'm modelling wheels, stocker, plus the ones I have.
15x7x17 215
16x8.5x32 255
16x8.5x50 255
16x9.5x38 255
16x9.5x56 255
17x8.5x56 255
17x9.5x56 275/285
17x11x36 315 ZR1
17x11x50 315 GS
Need to measure my offsets
17x12
18x12
Tire circle looks below the surface since it gets squished by the weight of the car.
In order to compensate the lower control arm is no longer level. very similar to the rear.
I'm looking forward to doing the rear and seeing how they match.
right now I'm modelling wheels, stocker, plus the ones I have.
15x7x17 215
16x8.5x32 255
16x8.5x50 255
16x9.5x38 255
16x9.5x56 255
17x8.5x56 255
17x9.5x56 275/285
17x11x36 315 ZR1
17x11x50 315 GS
Need to measure my offsets
17x12
18x12
Melting Slicks
Joined: Feb 2006
Posts: 2,753
Likes: 15
From: backwoods upstate ny
