Edelbrock valve spring replacements

Aussie Charger said
Haha! I will try to correctly explain also: have a look at the Manley link I posted and go down to the DOUBLE SPRINGS (which I mentioned).

221436-16 has 155lb on the seat at 1.810" and a rate of 379lb
221435-16 has 170lb on the seat at 1.810" and a rate of 394lb
221421-16 has 165lb on the seat at 1.800" and a rate of 435lb

All those springs will fit Eddy heads without machining and they all exceed the specs Comp Cams lists for similar mechanical rollers (Comp Cams spring 928-16).

I know yours is a Crower cam, but I couldn't find valve spring recommendations on the site. But the above springs should be in the ball park.

All I'm saying is, there are quite a few good double valve springs out there that will fit if you look around. It didn't take me long to find those. Talk to your machinist and ask him what he thinks about putting an LS double spring in to suit your cam. There's no need to machine unless you want to. Valve spring technology has come a long way in recent years . . .

Those springs you mention above are suggested for use on a mechanical roller cam? If so must be ultra mild street type cam with super soft lobes. My flat tappet springs are nearly that stout.
I ran a roller that was 240/590 spring pressures and i thought that was moderate spring pressure as that cam saw a lot of street driving. 155-165 seems mighty light.

If for a flat tappet, they are higher than needed unless its a huge ultra agressive grind.
Mine is 260/264 pretty agressive flat tappet and an expert specced out my springs. They are roughly 140/ 365.