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Old 01-19-2018, 05:15 PM   #159
GordonC
Senior Member
 
Join Date: May 2010
Posts: 201
Default Re: Rebuilt Flathead Problems.

OK! Heres another update. I pulled all the valve assemblies which made the cam a whole lot easier to turn. I then put the cam gear over the snout of the cam with the cam timing mark lined up on the crank gear timing mark. I then turned the cam behind it until I could get the 4 bolt holes to line up with the cam and turn the bolts into their holes easily by hand. Do I need to do anything else other than pull the bolts and put the keeper on it? IN other words is there ANY way this can bolt together other than how it has? I don't like rework and want to make sure it is correct this time.

Also for those that suggested it I got some plastigauge and checked the clearance on 1 of the mains and it was at .002. I checked 1 of the rods as well and the clearance on that was .003. Help me understand if these are good numbers or not? The rods and crank were used but everything else was new.

Last is a picture of the valve assemblies as they were removed. I have done nothing to them yet so need to know what I need to do here. I measured the valves length and they are anywhere from 4.865 to 4.905. What should this length be? I have a reground cam and adjustable lifters. All springs as installed measured approximately 1.900. Some were a little less some were a little more but that was the average from what I could tell. Gary in NY you called this out from something you saw in one of my previous pictures so is there anything you can suggest that I do to move forward on those.

As always, all help appreciated guys.
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