1986 Chevrolet Camaro Iroc Z28 (mess)
#11
Ok I think I ave it figured out. It worked better spinning the driveshaft, it spun 2 3/4 turns for 1 turn of the tire. I guess that would be a 2.73 gear . Now something I noticed when I was doing this, If I spun the tire the driveshaft didnt turn sometimes. It didnt happen like that when I spun the driveshaft the tire turned everytime I turned the drive shaft. I'm going to take a few pictures of my car and post them (remember it isnt pretty but she solid).
#14
Ok I think I ave it figured out. It worked better spinning the driveshaft, it spun 2 3/4 turns for 1 turn of the tire. I guess that would be a 2.73 gear . Now something I noticed when I was doing this, If I spun the tire the driveshaft didnt turn sometimes. It didnt happen like that when I spun the driveshaft the tire turned everytime I turned the drive shaft. I'm going to take a few pictures of my car and post them (remember it isnt pretty but she solid).
#15
...and keeping one wheel on the ground will multiply the ratio through the spiders. if you have an accurate tach and speedo, the easiest way is to keep it in third gear, drive at 60 mph, and read your rpms. they will give you the rear ratio in the rpms, given the tires are near stock size.
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