Just wondering if anybody is running slps blue/pink primary spring and what top end rpm your getting?Thanks.
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Just wondering if anybody is running slps blue/pink primary spring and what top end rpm your getting?Thanks.
General Rule of thumb...
A Heavy weight and heavy spring combo CAN give you the same top RPM as a light weight and light spring....
BUT...
The Heavy weight and Heavy spring combo generally equates to slower backshift but with the same ultimate RPM...
Slower reaction of backshift can cause inconsistent RPM's and cause the RPM to fall and stay there (until lower load is found and the engine is allowed to rev into its power band) ....if it is outside of ideal by too much. In this situation, the Secondary will not have as much authority over the primary as it has to pull against a stronger spring/weight combo in order to close.
Light weight and light spring can give you the same ultimate RPM but will give you more responsive backshift
Faster response could give you a situation where the RPM's are always hunting since the secondary will have more authority and act twitchy
Clutching is an exercise in finding an ideal balance of many different factors. This being just one of those factors.
My 2 cents.