Everyone doesn't like a big flat tappet cam because of the break-in with the center spring having to be removed and then installing them after you do the run-in. Yes it is some what of a pain but really not that bad. I just installed a new cam in the car, ran the run-in and in the process of installing the center springs when I decided to shot a little video to show it's not hard. I did fail to say in the vid that I don't use any air pressure or anything to hold the valve up, the positive valve guide seal does that.
Flat Tappet Cam Break-in
- Thread starter lilbowtie
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I agree with the right tools it’s not that bad. I was changing shims on my Nextek springs with 300 on the seat and pushing 780 open using that moroso tool. I had to reinforce the fingers to keep them from bending.
How much harder was it doing this back when the AC case was still in there?
Of course it's harder getting the tool on the stud and you have to deal with the heater hoses and limited space
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