67' Barracuda 273 (Camshaft Results at the Track)
Ed,
We're pulling the Cylinder Heads, so we can change the Valve Springs to a higher
Load-Rate.
The current Valves Springs (Crower) were rated for a Top RPM of 6500.
Crower #6805X1
* Single Coil w/Damper
* #95 lbs. @ 1.65"
* #250 lbs. @ 1.20"
* #268 lbs. @ 1.15"
** Coil Bind @ 1.050"
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The new units (Comp-Cam #926) are listed for a Top RPM of 7000
Comp-Cam #926
* Single-Coil w/Damper
* #109 lbs. @ 1.80"
* #130 lbs. @ 1.70"
* #317 lbs. @ 1.15"
** Coil Bind @ 1.10"