Here is the spec sheet that I turned into Jones. I plan on using the 1.6 ratio.
Engine
408 Mopar Magnum
Cam Type
H Rollor
Lifter Diameter
stock
Cam Journal Size
Stock
Bore
4.030
Stroke
4.000
Rod Length
6.123
Compression Ratio
10.4
Rocker Ratio
1.6
Transmission
Auto
Stall Speed RPM
N/A
Max HP RPM Desired
6000-6200
Max Engine RPM
6000
Vehicle Weight
3500
Intake Valve Diameter
2.02
Exhaust Valve Diameter
1.56
Intake Port Flow
@.400''
248
@.500''
281
@.600''
293
Max Flow @ .***"Lift
301@700
Exhaust Port Flow
@.400''
213
@.500''
231
@.600''
237
Max Flow @ .***"Lift
240@700
Exhaust header type and size
Full Length 1 3/4"
Intake Manifold
Super Victor
Injected or Carbureted
Injected
Injector/Carb Size
1000CFM 35lb/hr
Fuel type
Gas
Valve Spring seat pressure
138
Spring Rate
420lbs/inch
Spring Max lift
680
