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Mustang Forums
2011-2014 Mustangs
Driveline/Suspension
Pinion angle measurements... opinions?
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<blockquote data-quote="twistid" data-source="post: 13586215" data-attributes="member: 155097"><p>Equipment is as follows: Eibach Sportline springs, Strange adjustable shocks and Whiteline LCA brackets. Stock UCA/DS. Steeda UCA in the mail.</p><p></p><p>First measurement taken from 2nd half of driveshaft near where it connects to pumpkin. It came in around -1 degree.</p><p>[ATTACH=full]516218[/ATTACH]</p><p></p><p>Second measurement was taken from pinion flange... It came in about +1.</p><p></p><p>[ATTACH=full]516219[/ATTACH]</p><p></p><p>Just for shits and grins I took a measurement from the bottom of the diff and it came in at -2.</p><p>[ATTACH=full]516220[/ATTACH]</p><p></p><p>My first question is why is the pinion flange angle so far off from the diff angle, shouldn't they be the same? </p><p></p><p>Second question, is it (DS angle) - (Pinion flange angle) OR (Pinion flange angle) - (DS angle)? Depending on which way I either have perfect -2 pinion angle or no bueno +2... In which case I have to set the pumpkin to +3 to achieve -2 pinion angle.</p><p></p><p>Also just to be clear, I do not have any driveline issues at all, no vibrations or noises. I drive pretty aggressively and want to continue autocrossing, so I'd rather perform some preventative maintenance and upgrades rather than wait until something breaks from driving like an asshole with a bad pinion angle :-D</p></blockquote><p></p>
[QUOTE="twistid, post: 13586215, member: 155097"] Equipment is as follows: Eibach Sportline springs, Strange adjustable shocks and Whiteline LCA brackets. Stock UCA/DS. Steeda UCA in the mail. First measurement taken from 2nd half of driveshaft near where it connects to pumpkin. It came in around -1 degree. [ATTACH=full]516218[/ATTACH] Second measurement was taken from pinion flange... It came in about +1. [ATTACH=full]516219[/ATTACH] Just for shits and grins I took a measurement from the bottom of the diff and it came in at -2. [ATTACH=full]516220[/ATTACH] My first question is why is the pinion flange angle so far off from the diff angle, shouldn't they be the same? Second question, is it (DS angle) - (Pinion flange angle) OR (Pinion flange angle) - (DS angle)? Depending on which way I either have perfect -2 pinion angle or no bueno +2... In which case I have to set the pumpkin to +3 to achieve -2 pinion angle. Also just to be clear, I do not have any driveline issues at all, no vibrations or noises. I drive pretty aggressively and want to continue autocrossing, so I'd rather perform some preventative maintenance and upgrades rather than wait until something breaks from driving like an asshole with a bad pinion angle :-D [/QUOTE]
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Driveline/Suspension
Pinion angle measurements... opinions?
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