Forums
New posts
Search forums
What's new
New posts
New media
New media comments
New profile posts
Latest activity
New showcase items
New showcase comments
Media
New media
New comments
Search media
Members
Current visitors
New profile posts
Search profile posts
Showcase
New items
New comments
Latest content
Latest reviews
Latest updates
Search showcase
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Power Strokes
6.4 Aftermarket
6.4 cams
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
[QUOTE="BogginF350, post: 1300532, member: 621"] Stage I From hot street trucks to dump trucks. Drop in replacement with corrected valve timing, increased lift and duration for efficiency VS the OEM grind that was designed to promote EGR Flow. Works with stock valve springs and RCD upgrade 120# springs. No Piston fly-cutting required. RCD Chromoly Push Rods recommended. Duration 170 IN / 185 EX Valve Lift .385" IN / .368" EX Stage 2 Hotter Street use. Drop in use, no piston fly-cuts required. RCD 120# Valve springs recommended for competition use. RCD Chromoly Push Rods recommended. Optimized valve timing, increased lift and duration for maximum torque, horsepower and mileage. Duration 181 IN / 195 EX Valve Lift .412" IN / .400" EX Stage 3 Hot Street / Competition use. .060" Piston fly-cuts required. RCD 120# Valve springs required. RCD Chromoly Push Rods Required. Optimized valve timing, substantially increased lift and duration for maximum torque, horsepower. Duration 187 IN / 208 EX Valve Lift .467" IN / .450" EX Stage 4 Extreme Competition use only. .060" Piston fly-cuts required. RCD 120# Valve springs required to prevent coil-bind / valve float. RCD press-on valve seals required. 1.850" installed height. RCD Chromoly Push Rods Required. Blueprinting of cylinder head required to ensure valve installed heights and to prevent coil-bind. Optimized valve timing, substantially increased lift and duration for maximum torque, horsepower in competition vehicles. Duration 197 IN / 218 EX Valve Lift .518" IN / .500" EX [/QUOTE]
Insert quotes…
Verification
Post reply
Random media
Latest posts
20% TO 40% OFF ON FORD OEM PARTS
Latest: HeavyAssault
4 minutes ago
Sunrise Ford Parts
B
No Start help
Latest: bismic
Today at 9:58 AM
6.0 Tech
New torque converter locking up in Reverse and 1st gear
Latest: 6.0 Tech
Yesterday at 11:12 PM
6.4 Tech
0
Dana 80 cab and chassis rear end
Latest: 03f3507.3
Friday at 2:11 PM
Engine and Drivetrain
Another jack of all trades tire thread
Latest: ToMang07
Friday at 7:28 AM
Suspension, Drive Train, and Tires
Members online
Bogdankap
LaughingSavage
Forums
Power Strokes
6.4 Aftermarket
6.4 cams
Top