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Just PM Quktree or sixpackgut

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Yeah there is tech video on the here somewhere, very informative

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You are correct. Pinion angle is the relationship between the pinion centerline and the crank/transmission centerline.

Make the pinion parallel to the transmission as a base-line, then pivot the pinion downward 2-3 degrees. In other words, the resulting pinion angle will be 2-3 degrees under parallel (nose down) to the transmission centerline when the car is at rest.

BTW, there are some jokers around here who say I'm telling you to index the transmission angle relative to the pinion instead of the other way around.

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I see a movie being made now of drdiff by the haters

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No DR Diff hater here. I just wish he lived closer than BuzzardBreath Wyoming. I'd have a dana in my minivan !!

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Bad excuse, UPS, Fed Ex abd others deliver get one now before Quicktree breaks all of them even Quicktree can't break a Dana 60

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No DR Diff hater here. I just wish he lived closer than BuzzardBreath Wyoming. I'd have a dana in my minivan !!

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Bad excuse, UPS, Fed Ex abd others deliver get one now before Quicktree breaks all of them even Quicktree can't break a Dana 60

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I am going to try like hell

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I am going to try like hell

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just wait for Ray to get back from his boon doggle with you know who and have him set it up.

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I am going to try like hell

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just wait for Ray to get back from his boon doggle with you know who and have him set it up.

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yea but no thanks

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You are correct. Pinion angle is the relationship between the pinion centerline and the crank/transmission centerline.

Make the pinion parallel to the transmission as a base-line, then pivot the pinion downward 2-3 degrees. In other words, the resulting pinion angle will be 2-3 degrees under parallel (nose down) to the transmission centerline when the car is at rest.............

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I gotta say that I respectfully disagree with doing it that way........at least with a leaf spring car anyway.........

On my cars, and anything with decent power, especially with a stick, I'd always set the pinion down 7* with relationship to the driveshaft and it's ALWAYS worked great.......but, after reading here on Moparts how I need to set it to the crank centerline by Tony (Quicktree) so many times, I decided to do it that way on my just finished 68 GTS...........but first I've got to warn you that I did put 1" spacers between the K-frame and the body to lower the engine in the car which points the tail housing up a few degrees............

I set the pinion angle 7* down from the crankshaft center line and the car was fine until I let off the gas and it howled SO BAD I thought the rearend was was going to come apart.......... so, thanks to all the pinion angle threads on Moparts, I had to pull the rearend back out, cut the perches off, and reweld them back on.........this time with the angle 7* down from the driveshaft and it works GREAT now.........

So, I will NEVER set pinion angle that way again.........that's my on this.........

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You are correct. Pinion angle is the relationship between the pinion centerline and the crank/transmission centerline.

Make the pinion parallel to the transmission as a base-line, then pivot the pinion downward 2-3 degrees. In other words, the resulting pinion angle will be 2-3 degrees under parallel (nose down) to the transmission centerline when the car is at rest.............

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I gotta say that I respectfully disagree with doing it that way........at least with a leaf spring car anyway.........

On my cars, and anything with decent power, especially with a stick, I'd always set the pinion down 7* with relationship to the driveshaft and it's ALWAYS worked great.......but, after reading here on Moparts how I need to set it to the crank centerline by Tony (Quicktree) so many times, I decided to do it that way on my just finished 68 GTS...........but first I've got to warn you that I did put 1" spacers between the K-frame and the body to lower the engine in the car which points the tail housing up a few degrees............

I set the pinion angle 7* down from the crankshaft center line and the car was fine until I let off the gas and it howled SO BAD I thought the rearend was was going to come apart.......... so, thanks to all the pinion angle threads on Moparts, I had to pull the rearend back out, cut the perches off, and reweld them back on.........this time with the angle 7* down from the driveshaft and it works GREAT now.........

So, I will NEVER set pinion angle that way again.........that's my on this.........

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ever think 7 maybe to much and I didn't invent the method. it is taught by people who run a lot faster than you or I will ever run. think about the purpose of setting pinion angle. setting it off of the drive shaft ignores the front ujoint totally. ever think the springs maybe wearing out letting the pinon go more than the desired amount? remember the guess of 7* down or what ever is just a guess. no way to figure out the perfect amount except trail and error or maybe some kind of video.

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ever think 7 maybe to much and I didn't invent the method. it is taught by people who run a lot faster than you or I will ever run. think about the purpose of setting pinion angle. setting it off of the drive shaft ignores the front ujoint totally. ever think the springs maybe wearing out letting the pinon go more than the desired amount? remember the guess of 7* down or what ever is just a guess. no way to figure out the perfect amount except trail and error or maybe some kind of video.

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Like I'd mentioned.......that was with a leaf spring car, and it does have slicks, and it does make close to 600HP, and I does launch like I stole it......and I doesn't want the driveshaft to smack the floor pan when I do........been there, done that.....

The thing you're forgetting is that a LOT of places recommend 6 to 7* pinion angle with a leaf spring car that's making some poop, and my car would not work doing it that way.............that's all I'm saying........

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ever think 7 maybe to much and I didn't invent the method. it is taught by people who run a lot faster than you or I will ever run. think about the purpose of setting pinion angle. setting it off of the drive shaft ignores the front ujoint totally. ever think the springs maybe wearing out letting the pinon go more than the desired amount? remember the guess of 7* down or what ever is just a guess. no way to figure out the perfect amount except trail and error or maybe some kind of video.

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Like I'd mentioned.......that was with a leaf spring car, and it does have slicks, and it does make close to 600HP, and I does launch like I stole it......and I doesn't want the driveshaft to smack the floor pan when I do........been there, done that.....

The thing you're forgetting is that a LOT of places recommend 6 to 7* pinion angle with a leaf spring car that's making some poop, and my car would not work doing it that way.............that's all I'm saying........

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