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I have always bought complete injectors in the past but I like to tinker and meddle where I shouldnt so I would like to buy nozzles and set pop pressure myself. Its been a few years since I had injectors apart but I wondering about the size of the shims to set different pop pressures. I used to ride motocross a little and rebuilt my 4 stroke myself and have a box or two of the shims for setting valves and am curious if they are the same size, without tearing into my truck. Pop testers can be had fairly in expensively and id like to get one so I could play with pop pressures on this old 2 valver like I hear some of yall with 4 valve motors do.

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