B3422w5
Well-Known Member
Point I was making is that 1.46 springs are available that can handle a lot of pressure. Not sure if you knew that.
Rod Bloomer has used
them for mechanical roller setups( the ones I referred to)
Roller Rockers with TFS PowerPort 190cc heads
- Thread starter Lead_Foot
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Rod Bloomer has used
them for mechanical roller setups( the ones I referred to)
This is the company who supplies the trick flow springs, they also supply Hughes Engines, Mancini etc..
PAC Valve Springs
4eighteener
Well-Known Member
I have no doubt that there are stronger 1.46 springs out there, but the op said he had trick flow heads, and I was trying to determine if the trickflow heads he owns has the 1.46 lower pressure springs meant for hydraulic flat tappets when he posted about using a solid lifter cam.
I do not want his post to get derailed
Here's the specs. They are pretty stout for the standard spring.
Valve SpringsStandard: 1.460” O.D. Dual Spring (TFS-16893-16)
120 lbs. @ 1.900” Installed Height
394 lbs. @ 1.175” Open
390 lbs./inch Rate. 650” Maximum Valve Lift
Option 1: 1.550” 138 lbs. @ 1.950” Installed Height, 430 lbs. @ 1.250” Open, 420 lbs./inch Rate. 680” Maximum Valve Lift
Option 2: 1.560” 240 lbs. @ 2.000” Installed Height 600 lbs. @ 1.280” Open 500 lbs./inch Rate. 700” Maximum Valve Lift
For Comparison.....
Compcams spring for their Magnum and Xtreme Engery Solid roller cams < 308R and <XR286R
1.489" 165lbs @ 1.800", 385lbs @ 1.200" Open, 1.100" bind, 367lbs/in, Spring Part #914
For their Hyd. Rollers they use,
1.430" 121lbs @ 1.800", 343lbs @ 1.200" Open, 1.150" bind, 370lbs/in, Spring Part #987
Lunati Voodoo Solid Roller <255/263@ 0.050"
1.550" 200lbs@1.800" , 596lbs@1.100" Open, 1.050" Bind, 566lbs/In, Open Spring part# 73117
Lunati Voodoo Hyd. Roller < 713k, 243/251@0.050"
1.437" 115lbs@1.700", 336lbs@1.150" Open, 1.050" Bind, 402lbs/In, Spring Part# 73195
MOPAROFFICIAL
If it has tits, it's a liabilititty.
If one used a thicker spring cup to tighten the installed height.. 1.80
K motion k-800 for .600 or less solid roller
Iirr 225 seat and 495 open.
Herbert has a couple, one is boxed
Pioneer, solid/ hyd roller 1.44
155/380 1.73 installed.
117/135 seat is weak
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64mopar
Well-Known Member
That is the same cam I am running,very streetable in my opinion.
Im only going to say this once.
STOP what you are doing and get ON THE PHONE with Mike from B3 racing engines and tell him what you are doing.
If they are actually 1.7 ratio the geometry will be off by a mile. The morons at Harlan Sharp will tell you to add a lash cap and that will make it worse.
The rockers will hit the spring, and the gurus will tell you just grind a little clearance, and the paper thin rocker will bust right where you grind it because that big *** bearing in there makes that rocker inherently weak to begin with.
Or you’ll hear the old standard, just use a beehive spring. Great. The rocker doesnt hit the spring but the geometry is still wrong. You put a band aid on and you didn’t fix the root cause of the issue and that’s the geometry is wrong. I absolutely guarantee you the geometry is off by a mile.
You’ve been warned. So don’t buy pushrods until you talk to Mike. Im trying to save you money and grief down the road. Short term pain for long term gain.
What's the specs. On your ride if you don't mind me asking?
Yr/model, displacement, heads, trans, rear gearing?
SSG_Karg
Enhanced member
72 Duster. 340 bored and stroked to 422 cubic inches. W2 heads, 4 speed, 3.91 rear gears, and 28” tire. It cruises 60mph at 2900 rpm, so it’s “up on the cam” and very responsive if I need to pass or just want to show off.
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