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10-29-2007 05:23 AM #1
pinion angle and ladder bar setup?
Here is a drawing i have made, sorry it sucks, wondering what the pinion angle should be in relation to the driveshaft, the ground, ladder bars?
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10-29-2007 05:51 AM #2
with the lower bar level to the ground i run the pinion down 2/3 deg downLast edited by pat mccarthy; 10-29-2007 at 12:37 PM.
Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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10-29-2007 06:48 AM #3
I'm with Pat, 2 to 3 down.Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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10-29-2007 08:39 AM #4
Simple answer to lower bar position initial setup.
Draw a line from tire contact patch throught athe C/G Center of Gravity calculated height. adjust the front pivot point to intersect that line. engine HP and bar length will dictate how hard you shock the tires, then adjust up to down to get best launch and 60'.
Use your upper rear adjustment to get pinion angle.
John
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10-29-2007 11:45 AM #5
thanks for all of the help guys, i am going to stick with the ladder bars as it is somewhat of a budget build and i am not moving the frame rails and will be running 10.5'' street tires
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10-29-2007 11:47 AM #6
Hey dave severson, 10,000 posts? dang thats alot
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10-29-2007 11:48 AM #7
denny, 11,000 posts ? WOW
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10-29-2007 06:26 PM #8
Originally Posted by gottabuild1Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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10-29-2007 06:41 PM #9
What kind of springs are you using? If they're leaf springs, you'll need sliders to keep from binding up the rear suspension.
BTW, Dave started posting back when computers were kerosine-powered.Last edited by Henry Rifle; 10-29-2007 at 07:55 PM.
Jack
Gone to Texas
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10-30-2007 06:08 AM #10
wondering what the pinion angle should be in relation to the driveshaft
If the tranny is down 2 degrees, the pinion should be up 2 degrees.
Typical universal joints are designed to operate within 3 degrees of offset.
Any angle beyond that may cause binding.
An angle of 0 will not cause the u-joint needle bearings to rotate as they should upon proper installation.
BTW, Dave started posting back when computers were kerosine-powered.There is no limit to what a man can do . . . if he doesn't mind who gets the credit. (Ronald Reagan)
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Welcome to CHR. I think that you need to hook up your vacuum advance. At part throttle when cruising you have less air and fuel in each cylinder, and the air-fuel mixture is not as densely packed...
MSD 8360 distributor vacuum advance