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pinion angle

 
weighmaster weighmaster
I watched NASCAR once | Posts: 4 | Joined: 01/10
Posted: 01/15/10
10:05 AM

don't want o seem stupid , but after 20 plus years of racing , i don't know what the heck pinion angle is or does . can someone explain?  
i fought the wall and the wall won!!!

 
Racer72 Racer72
I watched NASCAR once | Posts: 15 | Joined: 01/10
Posted: 01/15/10
05:30 PM

Pinion Angle is the angle the pinion points up (relative to the ground) toward the transmission. If viewed from the side it is 10 degrees up hill toward the transmission then it has 10 degrees of pinion angle.  

 
weighmaster weighmaster
I watched NASCAR once | Posts: 4 | Joined: 01/10
Posted: 02/09/10
09:33 AM

how does that help anything ?  
i fought the wall and the wall won!!!

 
markmartin markmartin
I watched NASCAR once | Posts: 5 | Joined: 10/09
Posted: 02/09/10
07:20 PM

Pinion angle is actually a combination of driveshaft angle and pinion gear angle. When under power you would want the least amount of angle posible. This allows the most power to be delivered to the tires. Excessive angles causes power to be lost in the u-joint. the trick is finding a happy medium. Not sure of your car and setup but around 2 degrees is good and should work in center of corner as well as down the straights.  

 
RLR-5124 RLR-5124
I watched NASCAR once | Posts: 24 | Joined: 01/09
Posted: 03/09/10
10:22 PM

yes you want down angle, about 3 degrees, when you get on gas it will be level and true