Manley valve spring pressure question

[InvaderGSX]

OK doing research on running the proper springs. These are the ratings I received. Wondering if anyone on here can calculate it for me as I have no idea. Most valve spring companies rate the springs at 1.110 inch. The Manley's are rated at 1.05"

FP duals valve spring=250 [email protected]"

Ferrea duals= 210 [email protected]"

Crowers=190 psi @1.110"

Manley=222 [email protected]"

So basically I am trying to figure out the Manley psi rating at 1.110" rather than the 1.05" rating they provide so I can properly compare it to the others at 1.110". Please post if you know how to figure it out. Thanks

 

[InvaderGSX]

Gee guy, thanks for the help! I did ask for the spring rates and that is what they gave me.

 

[daren_p]

Don't think there is a formula to covert the spring pressure at different heights as I don't believe the pressure vs distance ratio is linear. Have you tried calling Manley?

 

[InvaderGSX]

Yes very happy! thanks! I specified in the original post that I have no clue how to calculate it. That's why I posted that. Thanks that helps me out a lot! That's not bad at all. Only 6 psi less than the Ferrea dual valve spring.

 

[Defiant]

Wow. Let's all try to be a little more pissy next time, shall we?

Closed.

 

[daren_p]

So valve spring pressure is always linear I take it?