Quote:
Originally Posted by rotorwrench
Most of the Y-blocks used the same basic flywheel size but the thing can be drilled for different size clutch covers. FoMoCo made a lot of different Y-blocks but most of the ones for smaller trucks and passenger cars have interchangeability. The Big Job engines like for F7 & F8 trucks and Lincolns, not as much. A 10-inch clutch is plenty good for most Y-blocks anyway.
The ring has to be tight on the wheel. Put he wheel in the freezer and heat up the ring gear and they will generally drop right on there. According to some replacement procedures in older Ford publications. The ring is to be heated uniformly and they mention using a torch but as a general rule 250 degrees F is hot enough so an oven can be used as long as you can talk the wifey into it. Good luck with that.
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That is what I'm worried about, this 'wheel may have been off of a large truck. I looked for part numbers and can't find any.
When I tried to install the ring gear, I put the flywheel in the freezer over night and got the gear WAY over 250*.... still would not go on. That is what makes me think it was the wrong gear,or I have the wrong flywheel. Now i'm thinking if this is a big truck 'wheel, maybe it needs to be used with the "truck" bell housing to get the starter to be positioned correctly. Any thoughts on that?