adjusting pinion angle
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From: _Nor caL_ (Bay areA)
adjusting pinion angle On a lowered car is the pinion angle still suppose to be set at negative 2? With sphon adjustable TA and driveshaft loop? Also what is the correct way to calculate the pinion angle? Thank you.
Yes - -1.5 to -2 is where you want to be. That is what the rep from BMR told me directly a few days ago when I was readjusting mine. I also sit on Eibach pro springs and have all updated suspension parts.
Last edited by DAVE00; Jan 14, 2011 at 12:53 PM.
Thread Starter
TECH Fanatic
iTrader: (15)
Joined: Dec 2005
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From: _Nor caL_ (Bay areA)
Awesome. Thanks guys! So I know that i need to subtract one number from the other to get negative two. Is that correct? I forgot witch two things I need to messure. I just know one is at the bottom of the torque arm.
Also, here is a great video to help you out calculating the right angle:
http://www.youtube.com/watch?v=UAQgLbhQ0uk
http://www.youtube.com/watch?v=UAQgLbhQ0uk
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I've never had luck with the plastic angle finders. It was never accurate. I bought a digital one from Sears and it is far more user friendly. I've had the best luck by adjusting both the drive shaft and diff to the same angle so both are are at a straight line and then backing off the diff -2*.
Crank angle is what should be used. EVERYONE says to use the everyone angle though, even seen it in magazines that way.
Crank angle is the right way though. Drive line works in most cases though
Crank angle is the right way though. Drive line works in most cases though
i checked a car that was setup by the "everyone" angle... basically the car was parked on level ground and angle finder was stuck to the bottom of the torque arm mount and set for -3 degrees. for the last 4-5 years the car vibrated, broke a pinion support, and never launched right.
i checked it and got somewhere around -14 or -17 degrees, i cant remember now.
one of the biggest names in the 4th gen chassis world made a post several years ago telling people to use the "level ground" method. i couldnt believe it. that guy builds chassis and tunes 7 second cars now. lol...
i checked it and got somewhere around -14 or -17 degrees, i cant remember now.
one of the biggest names in the 4th gen chassis world made a post several years ago telling people to use the "level ground" method. i couldnt believe it. that guy builds chassis and tunes 7 second cars now. lol...
