FE Power Forums

FE Power Forums => FE Technical Forum => Topic started by: feadam on October 18, 2017, 06:31:01 AM

Title: push rods
Post by: feadam on October 18, 2017, 06:31:01 AM

when using a hyd roller cam are the push rods usually shorter than non roller lifters?

Title: Re: push rods
Post by: blykins on October 18, 2017, 07:14:15 AM

Yes. 

A lot of your hydraulic roller pushrod lengths for ball/ball pushrods come out at around 8.700-8.750". Of course this all depends on which rockers, how much the block has been cut, how much the heads have been cut, etc. 

Title: Re: push rods
Post by: feadam on October 18, 2017, 09:09:26 AM

Thanks Brent

Title: Re: push rods
Post by: feadam on October 18, 2017, 09:22:45 AM

Mine are ball cup and 8.8 exactly

Title: Re: push rods
Post by: blykins on October 18, 2017, 10:15:29 AM

Just depends on which rockers you use. 

Also, ball/cup pushrods are usually measured from end of ball to the bottom of the cup.

Title: Re: push rods
Post by: scott foxwell on October 19, 2017, 08:39:41 AM

Yes and they can vary from lifter to lifter. Always measure. Many variables come into play...head surfacing, block decking, valve job depth and valve length, lifters, cam base circle...there is no way to know or "assume" that what someone else uses will work.