Summit has trick flow heads

Old Man Mopar said
Trick Flow Powerport 240 Valve springs:

Standard
1.460" O.D. dual spring with damper (TFS-16534)
120 lbs. @ 1.900" installed height
394 lbs. @ 1.175" open
390 lbs. per inch rate
.650" maximum lift

Option 1
1.550" O.D. dual spring with damper (TFS-16094)
138 lbs. @ 1.950" installed height
430 lbs. @ 1.250" open
420 lbs. per inch rate
.680" maximum lift

Option 2
1.560" O.D. dual spring with damper (TFS-16318)
240 lbs. @ 2.000" installed height
600 lbs. @ 1.280" open
500 lbs. per inch rate
.700" maximum lift
Click to expand...


I went with option # 1 as i am running a solid mech. cam. the spring diameter is the same as the eddy heads. the eddy heads springs are installed at 1.880 and have 134lbs. at the seat. I am guessing i may be changing pushrods with the taller installed height of the trick flows. we will see.