what springs for this solid roller cam
what springs for this solid roller cam 242 242 572 572 112 solid roller with current 1.5 rockers possibly upgrading to 1.6 eventually (.610 lift), I am looking for
A. springs that use factory retainers, keepers and locators
or
B. A kit that includes all of the above
A. springs that use factory retainers, keepers and locators
or
B. A kit that includes all of the above
Those springs cant be used with a solid rolle cam....
If you need a spring kit bro I have a brand new one that has everything you need and will fit on your current setup...Pm me if you want to purchase it
If you need a spring kit bro I have a brand new one that has everything you need and will fit on your current setup...Pm me if you want to purchase it
.02, .200, and .300 numbers will tell the tale of spring requirements. What base circle?
Why does everyone automatically jump to the conclusion you can't run a 400#/in spring on a solid roller? Unless it's a lobe made for the high ratio stuff, they don't make many "valvetrain killers" with a .380 lobe
Why does everyone automatically jump to the conclusion you can't run a 400#/in spring on a solid roller? Unless it's a lobe made for the high ratio stuff, they don't make many "valvetrain killers" with a .380 lobe
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Like stated, spring choice depends on the rpm range and lobe being used. Max lift is just one part of the equation.
Two cams with identical duration and lift @ 50 can want very different springs if one is an old lazy lobe and one is a crazy aggressive one.
Two cams with identical duration and lift @ 50 can want very different springs if one is an old lazy lobe and one is a crazy aggressive one.
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Verdad Gallardo it's not that solid rollers NEED more pressure than a hydraulic roller. It's that if you float a solid roller lifter it will come apart a lot quicker, so it's usually more beneficial to over-spring them and lose a hp or two from the spring pressure, than blow up a lifter and grenade your motor. You can get a moderate solid roller to live with 160/450, and you can get a killer one to come apart at 400/1300. I've seen quite a few hydraulic roller lifters on solid roller lobes lately, and most of them are running about 400#/in, with more seat pressure to control bounce with the heavier lifters.
it's not that solid rollers NEED more pressure than a hydraulic roller. It's that if you float a solid roller lifter it will come apart a lot quicker, so it's usually more beneficial to over-spring them and lose a hp or two from the spring pressure, than blow up a lifter and grenade your motor. You can get a moderate solid roller to live with 160/450, and you can get a killer one to come apart at 400/1300. I've seen quite a few hydraulic roller lifters on solid roller lobes lately, and most of them are running about 400#/in, with more seat pressure to control bounce with the heavier lifters.
Just a simple test away... who's sponsoring the test?
