Why don't you just run rockauto 340 springs?
I won't because there's no telling where they come from. Valve springs are cheap. I want known good ones.
Why don't you just run rockauto 340 springs?
Those are a little heavier than the cam really needs. The cam only needs about 100-110 on seat.
Just going off the published specs for the cam @RustyRatRod
268 208 Int
274 214 Exh
Lift 429-444
LSA 114
ICL 112
Dinky cam IMO. Same as any 69-73 340 camshaft
Probably China like everything else. Lol but the box is made in the USA.I won't because there's no telling where they come from. Valve springs are cheap. I want known good ones.
The victory library site.
Chrysler High Performance Cam Data
The Victory site has the duration at 050 numbers because he did the work.
Well...He did not do a very good job....cause he says the MP590 is 265 @.050....everyone that I have degreed in is 271 degrees....and same thing with the MP557 cam...he says 252 @.050....just did one a month ago..and it was 257 @.050...,,,,
check the old article...Mopar Performance Purple Shaft Camshaft - Mopar Muscle Magazine.
Those numbers I posted were really close to the 210-212 intake I got on a 340 cam. The 528 I did was close to the VL site as well, within 2* IIRC.
The cam is small and not as big as the XE or voodoo cams at .050, along with a lot less lift too. Mild cam and stock parts are fine.
Quality control has NEVER been a strong suit for MP parts. LOL
Run that cam in the ground all you want, but it's hard to find one that does what it does as well as it does. Idle like a kitten. Pull past 6K. That's an engineering feat if you ask me.
Good luck Jake! i just broke in mine on Sunday. I love the sound at idle sounds nice.Well, opted for this cam with the 901-16 springs. Installed everything a few days ago and should be breaking it in next week. Thanks for all the insight on both cam and springs.
Jake
Not according to Wyrm.... LOL
engine does not start to make compression till the intake is fully closed which is what counts