Case 504 lifters August 12, 2019 11:39PM
Does anyone know if some one out there makes steel lifters for a case 504 motor I keep breaking the stock cast ones.

Re: Case 504 lifters August 13, 2019 05:14AM
What rpm and spring pressure are you running? I’m building a 504 and don’t wanna run into this problem.

Re: Case 504 lifters August 14, 2019 01:10AM
I had a set of tool steel dlc coated flat tappets custom built at trend performance. Then Paired with a no limit tool steel cam for my Allis. 200lb seat pressure. 5000rpm 65psi boost, no issues

Re: Case 504 lifters August 13, 2019 06:45AM
May try Vogel manufacturing or no limit manufacturing

Re: Case 504 lifters August 13, 2019 09:50AM
We run in a hot farm class leave the line around 4500 rpm my spring pressure is 400 pounds. I keep snapping the head of the lifter off right we're the 4 oil drain holes are at

400 lbs spring!! August 13, 2019 10:41AM
Just curious why you need 400 lbs of spring pressure? That's certainly not helping the broken parts issue. Just wondering why?

Re: Case 504 lifters August 13, 2019 10:49AM
At that rpm and spring pressure I would for sure go roller. The builders I’ve spoke to say they only build roller engines anymore. My cam supplier told me with flat Tappet run high zinc conventional oil. Not synthetic they said it’s too thin to proper lubricate in between the lobe and lifter face.

Re: Case 504 lifters August 13, 2019 12:21PM
180 seat pressure flat tapet 280 roller

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