Proven cam for TFS 220?
#1
Proven cam for TFS 220?
I am putting TFS 220 as cast heads with clean up by TEA on my LS2. I have a ported FAST 102 combo and all bolt ons. I would prefer to use a .040 head gasket but may have to stay with .052 MLS since heads are milled to 59cc. I need to know proven cams for these heads to make max 1/4 mile HP/TQ. I did a search but nothing definitive. I have also consulted several trusted sources for cam specing but want to get more rather than less opinions. I know there are alot of very technically intelligent people here so please give your opinions.
Cajun
Cajun
#3
Cajun,
I felt my LS2 needed a newer lobe design cam and went with a 235/239 Comp grind with LSL lobes, the cam has 13 degrees overlap so it is a bit rowdy and has some bucking between 1300-1600 but I've learned to drive around it. Look at the dyno I just posted in my thread, the results show my gains of 39/27 at the tires using these very heads with a street tune! My setup was designed for 1/4 mile, look at the powerband.
Dsteck and I will complete the WOT tuning on the same dyno in a couple months, I expect to pick-up another 5/5 easily with some tweaking to the AFR and timing.
I felt my LS2 needed a newer lobe design cam and went with a 235/239 Comp grind with LSL lobes, the cam has 13 degrees overlap so it is a bit rowdy and has some bucking between 1300-1600 but I've learned to drive around it. Look at the dyno I just posted in my thread, the results show my gains of 39/27 at the tires using these very heads with a street tune! My setup was designed for 1/4 mile, look at the powerband.
Dsteck and I will complete the WOT tuning on the same dyno in a couple months, I expect to pick-up another 5/5 easily with some tweaking to the AFR and timing.
#4
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I am putting TFS 220 as cast heads with clean up by TEA on my LS2. I have a ported FAST 102 combo and all bolt ons. I would prefer to use a .040 head gasket but may have to stay with .052 MLS since heads are milled to 59cc. I need to know proven cams for these heads to make max 1/4 mile HP/TQ. I did a search but nothing definitive. I have also consulted several trusted sources for cam specing but want to get more rather than less opinions. I know there are alot of very technically intelligent people here so please give your opinions.
Cajun
Cajun
Exhaust Duration @050= 241-244* range
Intake Lobe Lift= .357-.367w/1.7s
Exhaust Lobe Lift= .357-.367 w/1.7s
Lobe Separation Angle= 110-112*
Intake Centerline= 108-110*
Averages: 239/243(rounded up) .615/.615 111+2
Last edited by JPH; 12-26-2011 at 10:05 PM.
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#10
Summit Racing Part Number TFS-3060T001
Cylinder Head Style Assembled
Cylinder Head Material Aluminum
Cylinder Head Finish Natural
Combustion Chamber Volume (cc) 64
CNC-Machined Combustion Chamber Yes
Intake Runner Volume (cc) 220cc
Exhaust Runner Volume (cc) 80cc
CNC-Machined Intake Runner No
CNC-Machined Exhaust Runner No
Intake Port Location Standard
Exhaust Port Location Standard
Spark Plug Style Angle
Intake Valves Included Yes
Intake Valve Diameter (in) 2.040 in.
Exhaust Valves Included Yes
Exhaust Valve Diameter (in) 1.570 in.
Last edited by ccajun4real; 01-23-2012 at 11:25 AM.
#17