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View Full Version : Bad lobe on roller cam



kingofvenus
01-21-2006, 05:10 PM
'88 shadow that I parted had one bad lobe on cam, roller on rocker seized up too, looks like a slider I had like that. Oil in it was really black, will have to pull the rest of the motor apart to see what it looks like.

GLHSKEN
01-21-2006, 07:29 PM
I would at least pull the pan and check for debris..

kingofvenus
01-21-2006, 10:16 PM
I would at least pull the pan and check for debris..
Thats a big 10-4:nod:

turbovanmanČ
01-21-2006, 10:18 PM
Shitty, oh well, good time to check bearings and replace the oil pump. :D

kingofvenus
02-04-2006, 12:12 PM
Finally got it apart and found it in better shape than I figured it would be in, there was a very small amount of debrits on the pick-up screen, crank journals are in very good condition and the cylinder bores look good as well. Blown headgasket, (between 1 and 2) I think this was rebuilt cause there are numbers stamped on the rods. Also is .75 on the center of the piston domes? So I think the cam damage is from the roller on the arm seizing.

shadow88
02-04-2006, 03:53 PM
The .75 is the piston indicated the size over stock. In this case .75mm or (I'm pretty sure) 0.030 " over bore. Looks like it's been rebuilt.

kingofvenus
02-04-2006, 05:30 PM
Thanks, thats what I figured. Crank looks too nice for 160k on the odo and the very nasty oil in it and the overall poor condition of the rest of the car.

turbovanmanČ
02-06-2006, 12:45 AM
. Also is .75 on the center of the piston domes?

Piston domes? there supposed to be dished pistons?

kingofvenus
02-06-2006, 04:47 PM
Ooops, my bad. should of said "on the top of" they look like what should be in a block with an '87 date on it. Suppose I'll need to mic the crank to see if (or how much) its been cut.