JDcrawlers Messageboard

That is very good to know, thank you both for replying.

So I'm finally getting the 420C engine back together! This is my first engine assembly experience ever, so warning you all that there will probably be a lot of "stupid questions". :roll: First one: What do you guys with experience use for locknuts on the rod bearing caps? I kept the "locknuts" that ...

Can someone tell me what the allowed bearing clearance is for the camshaft? I'm getting .005. My shop manual says to ream new bearings to allow at least .001 bearing clearance, but it doesn't mention the max tolerance for a rebuild.
Thank you much!

Thanks for the experienced advice, Lavoy. I think my next step will be to just jump in and buy it. Its been sitting since the mid-90s, hard telling what all I'll find when I start pulling it apart. For some reason I can't let the opportunity pass. I'll be back for advice and parts, probably in sever...

I am looking at possibly taking on a friend's father's project, a 1956 420C, serial# 91952. The main problem that he's aware of is that the final drive is extremely worn, there is a circular groove worn into the steering clutch side of the upper part of the final drive case. (around the bearing area...