A502slo

iTrader: (4)

99 SS a4 3600stall 3:73 gear, LS6intake ported tbody and LT with ORY.

Intake Duration - ID (first number) 283 237 155
Exhaust Duration - ED (second number) 291 242 163
Lobe Center Angle - LCA (also known as LSA) 112 112 112
Intake Centerline - ICL (LSA - degrees of advance e.g. 114+2 = 112) 108 108 108

Intake Valve opens - IVO 33.5 10.5 -30.5 BTDC (- indicates ATDC)
Intake Valve closes - IVC 69.5 46.5 5.5 ABDC
Exhaust Valve Opens - EVO 81.5 57 17.5 BBDC
Exhaust Valve Closes - EVC 29.5 5 -34.5 ATDC (- indicates BTDC)
Exhaust Centerline - ECL 116 116 116
Overlap 63 15.5 -65 degrees

Bore 3.9
ST = Stroke 3.622
RL = Rod Length 6.098
Number of cylinders 8
Deck Height (how much pistons come out of the hole) 0.015
Piston Dome or Dish (- for a dome + for a dish) -0.02
Compressed Head gasket thickness 0.045
Cylinder Head Chamber Volume 62.5

Static Compression Ratio 10.55 :1
Dynamic Compresion Ratio 8.08 :1
Rod to Stroke Ratio 1.68 :1
Bore to Stroke Ratio 1.08 :1


Is this ok?? Heads have hand port job with 2.02intake and 1.57 exhaust flowed 286@.50

brad8266

iTrader: (23)

Isnt that a magic stick?

Sounds ok, id watch your PTVC with the larger valves.

A502slo

iTrader: (4)

Now that i look at it... yea i think it is. lol So what kinda of power would i be looking at and what power band?? Anyone running that cam with a a4 stall 3600

brad8266

iTrader: (23)

I not sure what the exact powerband is but it is surely a top end shiner. Search in the dyno forum for exact numbers on that cam, lots of people have it.