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Personally, I would not put solid lifters on your hydraulic cam. It can be done, but you may as well install a solid cam at the same time if you're going to that trouble.

 

A few ideas to address your problem - when you set the valves, do it with the motor off. When the valve your are setting is completely closed, tighten the nut with one hand while spinning the push rod with the other hand. When you just begin to feel tension on the pushrod, you should be at zero lash. Tighten the nut no more than 1/4 turn beyond that and move to the next rocker. Use anti pump-up lifters for sure.

 

If you're not already, use polylocks. The stock type nuts will back off on their own under race conditions.

 

If you do this and you're problem persists, make sure the studs are not pulling out and/or the cam is not going flat.

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Personally, I would not put solid lifters on your hydraulic cam. It can be done, but you may as well install a solid cam at the same time if you're going to that trouble.

 

A few ideas to address your problem - when you set the valves, do it with the motor off. When the valve your are setting is completely closed, tighten the nut with one hand while spinning the push rod with the other hand. When you just begin to feel tension on the pushrod, you should be at zero lash. Tighten the nut no more than 1/4 turn beyond that and move to the next rocker. Use anti pump-up lifters for sure.

 

If you're not already, use polylocks. The stock type nuts will back off on their own under race conditions.

 

If you do this and you're problem persists, make sure the studs are not pulling out and/or the cam is not going flat.

 

Thats 100% correct and I wouldnt run solid lifter on hyd. cam either. If for one reason or another it may be a big expensive mess to clean up if it doesnt work.

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