Motorworks doesn't like the LT4 springs that came in the Hot Cam kit and suggests the Comp Cams CCA-986-16. They leave .075 before coil bind compared to the .035 on the LT4 springs. The springs are rated a little differently so I need some advice. What's gonna happen if the avg lbs/in is lower overall (36lbs)? What if it were 12 lbs higher? Is it better to go with the 987's or 986's? Explain valve float a little better for me.
LT4
1.32" O.D
1.22 Coil Bind
101# @ 1.78"
332# (avg lbs/in)
CCA-986-16
132# @ 1.75"
1.15" Coil Bind
296# (avg lbs/in)
CCA-987-16
138# @ 1.75"
1.15" Coil Bind
344# (avg lbs/in)
LT4
1.32" O.D
1.22 Coil Bind
101# @ 1.78"
332# (avg lbs/in)
CCA-986-16
132# @ 1.75"
1.15" Coil Bind
296# (avg lbs/in)
CCA-987-16
138# @ 1.75"
1.15" Coil Bind
344# (avg lbs/in)
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