valve spring question
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Cruiser
Joined: Dec 2014
Posts: 146
Likes: 2
From: slatington, pa
valve spring question
Like the title says I need some info. Please help me, im going to be doing a 103 kit and cams. Im not planning on any head work any time soon.The cam I realy like the look of is the s&s mr103. The only thing that concerns me is the .585 lift. I contacted s&s they said the stock spring will handle that no prob, but ive seen alot saying otherwise. I know a forum member has these with stock spring, but I always over analyze everthing. So bottom line is what is a safe lift on stock springs?
Stellar HDF Member
Joined: Jan 2013
Posts: 2,464
Likes: 50
From: Rouses Point, N.Y.
Tman performance claims there 600Sm cam works fine with stock beehive springs when I talked with them. those S&S 585 will be fine on the stock beehives ran them for 5000 miles on stock beehives.
Stellar HDF Member
Joined: Aug 2012
Posts: 2,664
Likes: 184
From: Indiana, USA
Every time I have changed cams there is a change to the top end noise. Performance cams have higher lift, faster ramps for longer duration and with that comes more valve train noises.
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