“Performance valve springs”

Was looking to run a shell 1 cam. That is also on the parts list to be purchased eventually.

I just was asking because these are listed as “performance” springs, and they are 1/4 of the cost compared to Kibblewhite springs. Just didn’t know if anyone had any success and/or horror stories running them.

Thanks for the response signal!
 
Do not cheap out on valve spring!
Get them, check for nicks, clean them in alcohol.
Place in oven 300F. for an hr.

cliff
 
Valve springs can be critical. There are no drop-in "performance" valve springs, no matter what unscrupulous vendors claim. You need specs on installed valve spring height, you need to know what installed valve spring height is, and you need to know how to measure it. Kibblewhite and RD both make fine springs, but the installation is not a drop-in process. I've used RD springs for years after taking Joe Minton's advice to use OE springs with a Shell #1 cam. Cupped an intake valve. Installed RDs and had no more grief. Take anything written by Minton with the whole shaker full of salt.
 
Last edited:
grizld1 said:
Valve springs can be critical. There are no drop-in "performance" valve springs, no matter what unscrupulous vendors claim. You need specs on installed valve spring height, you need to know what installed valve spring height is, and you need to know how to measure it. Kibblewhite and RD both make fine springs, but the installation is not a drop-in process. I've used RD springs for years after taking Joe Minton's advice to use OE springs with a Shell #1 cam. Cupped an intake valve. Installed RDs and had no more grief. Take anything written by Minton with the whole shaker full of salt.
Click to expand...
Solid advice here. RD is a gold standard as well!
 
Yeah, RD's instructions couild be better. You have to take a good look at the valve cup. Realize that it needs to be supported below by shims. That's also how you set the installed height.Nothing special needed for shims, common washers of correct thickness will get 'er done.
 
R/D springs will be fine with that cam profile. I don't bother replacing the rockers if the hard chrome is in good order, it is possible to clean the surface up with a flat plate and some fine wet and dry if they are not too far gone.
I have read of some people on this forum a while ago having trouble with stainless valves, but nothing recently and can't remember details of the cam used.
Remember to check all your clearances, piston to valve, valve to valve, valve spring installed height and the other one the checks for coil bind that I can't remember the term for.
When you are happy to button it up don't forget the assembly lube on the cam and rocker faces.
 
Signal said:
R/D springs will be fine with that cam profile. I don't bother replacing the rockers if the hard chrome is in good order, it is possible to clean the surface up with a flat plate and some fine wet and dry if they are not too far gone.
I have read of some people on this forum a while ago having trouble with stainless valves, but nothing recently and can't remember details of the cam used.
Remember to check all your clearances, piston to valve, valve to valve, valve spring installed height and the other one the checks for coil bind that I can't remember the term for.
When you are happy to button it up don't forget the assembly lube on the cam and rocker faces.
Click to expand...
Awesome thanks !
 

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