Modular Head Shop has been a leader in Camshafts for the 4.6L / 5.4L 2V Engines for quite some time now. We know what works, we know what fits. If we state there will be no Piston to Valve clearance issues, you can be assured there will not be as long as the camshafts are degreed properly. There are many Camshaft grinds advertised that state there is no PTV issues when in fact if those Camshafts are degreed to the recommended Intake Center Line or Opening Point, there will be PTV interference.
Our GEN 2 line of Camshafts has been in the works for the last 2 years and many of these lobe profiles have been tested on in house builds and have shown some improvement over our already proven Camshaft profiles.
All of the GEN 2 Camshafts are ground specifically to our specifications from COMP CAMS. COMP offers very short lead times and we try to keep the more popular grinds in stock. However, most of the camshafts are ground to order. If you are in a hurry, please contact us for a current lead time before placing your order.
Stage 1: Drop in Cams for Stock Long Block - No Springs required.
Duration @ .050"
222 / 220
Lift
.550" / .550"
Lobe Sep Angle
115.5 + 5.5
Center Lines
110 / 121
Springs Required?
No
Valve Reliefs Required?
No
Stage 2: No PTV issues with Stock Pistons. Valve Spring upgrade recommended.
Duration @ .050"
226 / 224
Lift
.550" / .550"
Lobe Sep Angle
115.5 + 5.5
Center Lines
110 / 121
Springs Required?
Yes
Suggested Valve Springs
MHS Stage 2 Springs
Valve Reliefs Required?
Suggested for 12 - 16lbs of Boost. No PTV issues if degreed properly. Mild Lope, Easy Tuning, Good Drivability and Gas Mileage. Largest turbo camshafts we suggest for use with the stock intake manifold. Can be used with stock rear end gears. Suggested 2600 - 2800 Stall for Auto applications. Shift points will be around 6500 RPM
Stage 3: Valve Reliefs required, no exceptions.
Duration @ .050"
232 / 230
Lift
.575" / .575"
Lobe Sep Angle
115.5 + 5.5
Center Lines
110 / 121
Springs Required?
Yes
Suggested Valve Springs
MHS Stage 3 Springs
Valve Reliefs Required?
Yes
For use with ported Cylinder Heads with matching valve job. Suggested for 16 - 24lbs of Boost. We recommend using the Edelbrock Victor Jr., TFS Track Heat or custom sheetmetal intake for these camshafts. 3.27 - 3.55 Gears, 3200 - 3400 Stall. Shift points anywhere from 6900 - 7400 depending on Intake Manifold and Turbo size.
Stage 4: Valve Reliefs required, no exceptions.
Duration @ .050"
238 / 236
Lift
.575" / .575"
Lobe Sep Angle
115.5 + 5.5
Center Lines
110 / 121
Springs Required?
Yes
Suggested Valve Springs
MHS Stage 3 Springs
Valve Reliefs Required?
Yes
Recommended for power levels above 800 HP. 76/75 or Larger Single or 62/66 or larger twins. Ported Heads with oversize valves and matching valve job. 20 - 30lbs of boost. Automatic with Trans Brake highly suggested. 3400 - 3800 Stall. Shift Points anywhere from 7400 - 7800 RPM depending on Turbo size and Intake Manifold. Suggested for use with Edelbrock Victor Jr or Sheetmetal Intake.
Stage 5: For Limited Street / Race Applications only.
Duration @ .050"
242 / 242
Lift
.575" / .575"
Lobe Sep Angle
115 + 5
Center Lines
110 / 120
Springs Required?
Yes
Suggested Valve Springs
MHS Stage 3 Springs
Valve Reliefs Required?
Yes
For Limited Street / Race Applications 1000+ HP. 76/75 to 91mm Single or 62/66 or larger twins. Will support boost levels from 25lbs to 40lbs. Built 4R70W, 4L80E, TH400 or Powerglide with Brake. 3800 - 4200 Stall. Suggested for use with Edelbrock Victor Jr or custom sheetmetal intake manifold. Competition Ported Cylinder Heads with oversize valves and matching valve job. Single Radius groove valves highly recommended due to RPM range. Expected shift points anywhere from 8000 - 8600 RPM depending on Intake Manifold and Turbo Size.
