

| Subject: | HELP! 2.0L Camshaft Question |
| From: | Tom Young |
| Date: | Sun, 21 Mar 1999 14:10:40 -0800 |
Hi all: Well, I finally got around to putting one of the two Vanagon engines I'm rebuilding back together. After strugging perhaps a half hour to get all the crankshaft bearings to seat, they finally did and it was time to install the cam. (That is, after I removed the distributor and distributor drive shaft as the timing seemed to be off 180 degrees - I'll have to go back and re-read Wilson before I put the other engine together.) Before installing the cam I checked for proper crank rotation and everthing felt fine. I was told by AVP (Sacramento) that because I had the two cases align-bored I couldn't be sure that the same "number" (0, -1, -2, etc.) camshaft as was there before would necessarily produce the correct crank/camshaft backlash. So I took a number (-2) and (-3) re-ground camshaft from AVP, hoping to get lucky. I didn't! Using the Wilson tests of backlash, both camshafts periodically walk out of their bearings when the crank is turned backwards, and neither has any discernible "clunk" when one gear is moved manually against the other. And when I try and rotate the crankshaft in the proper direction with either camshft in place, at some point the crank "hangs up" and doesn't want to turn anymore. So, I assume the above says the gears on the camshaft are "too big" and I need to go to a smaller number, like -4 or -5? TIA. --------------------------------------------------------------------- Tom Young young@sherlock.SIMS.Berkeley.EDU Lafayette, CA 94549 '81 Vanagon ---------------------------------------------------------------------
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