|
|
Posted by dc [75.170.12.155] on Saturday, October 16, 2010 at 18:02:22 :
In Reply to: NP540 to 360 posted by Jim MacNamara [68.45.118.130] on Saturday, October 16, 2010 at 17:43:11 :
For 61-68 flywheel:
Since the starter ring gear is correct and this flywheel was designed for use with the hydraulic bellhousing you can bolt it directly to the crank flange.
For 69 and later flywheels:
1. You will have to remove the 143 tooth ring gear and install a 172 tooth one. If you have an oxy-fuel torch this is easy to do by supporting the flywheel at its center and heating the old ring gear until it drops off. Note that there is a flange on one side of the ring gear if this flange is on the floor side when you heat the ring gear you will be waiting a long time for it to drop off!
2. Flip the flywheel over so the flange is down. Clean the area of the flywheel where the new ring gear will seat. Note that one inner edge of the new ring gear is chamfered, this edge will face down toward the flywheel.
3. Place the new ring gear on the flywheel and heat it until it expands and drops on. Do not get it red hot or you will loose the heat treat that hardens the metal. With gloves on both hands rotate the ring gear as you push down to seat it. If it has already contracted you can use a hammer and drift to seat any places that have a gap.
4. You will need to install the .400" spacer plate between the crank flange and the flywheel as shown below. Be sure to use the 7/16"NF bolts and split-loc washers provided with it and check to make sure that none of the bolt ends stick out far enough to hit the rear of the oil pan.