Push rod trouble for my 80"
Stellar HDF Member
Joined: May 2009
Posts: 2,856
Likes: 127
From: Middle of Kansas
There is always a little overlap on the intake and exhaust at TDC on the intake exhaust stroke, so I always rock the engine back and forth a little to make sure its not on the overlap.
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4th Gear
Joined: Nov 2014
Posts: 8
Likes: 0
From: Canada
Guys, I really think the OP is trying to do both cylinders at one time and it doesn't work that way. He either needs to learn what the compression stroke feels like on the particular cylinder he's working on when watching the pushrods when they're in the tubes sitting on the lifters, and rotating the back wheel in high gear, or stick a straw in the cylinder through the spark plug hole and watch it. OP, once you have determined that you are on the base circle of the cam, the compression stroke for that particular cylinder, and the pushrods are at their lowest point, and if the rockers were on the valves would be "closed", THEN you can bolt the rocker box on and bleed down the lifters. You'll have to wait 5 minutes or so for the lifters to bleed down so you can rotate the push rods, THEN you can turn the motor over and go on to the next cylinder. It doesn't matter which cylinder you start on, but you CAN NOT do BOTH at the same time.
Dude, I got it. I had the rocker boxes tightened down first before finding the lowest point for the push rods. A beginner mistake, but that's how we learn.
Thanks for your help man. Appreciate it greatly.
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