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Old 02-24-2011, 04:25 PM
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PushRods Hardened Steel vs Chromoly

I have guide plates, 308 lb/in rate springs w/ <295 lb max lift pressure.

PR length is approx 8".

Hyd flat tappet.

I'm setup for 5/16" OD ball socket PR.

I have run the hardened steel before; i don't know if they flex, dance or behave?

I do know they get along w/ guide plates for a long time.

Would be nice to buy the cheaper hardened steel push rods.

Any comments?

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Old 02-24-2011, 04:45 PM
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Your not into the territory on spring pressure high enough to make qne-piece chrome moly absolutely neccessary, but it never hurts to have a pushrod much stiffer than is really needed.

Your application I would use plain aftermarket hardened with welded ball ends unless I was going to shoot for 7200-up rpm on a regular basis.
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Old 02-24-2011, 05:21 PM
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my pocket book likes that answer.

i'll try to keep it below 7 grand
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Old 03-06-2011, 10:36 PM
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had to go w/ chrome moly because they were only ones available w/ length i needed for proper geometry...they sure are pretty.
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