Springs - Difference in secondary spring forces .
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Springs - Difference in secondary spring forces.
Question) Hi Joe, I have a MX-Z Adr/2006 800 p-tek button secondary w/1.25 track. I took my secondary apart last night and noticed that I’m running a stock green spring, at that time I opted to stay with the stock green 180/300. What would the performance difference be in my sled with any other spring?
Answer)The install force on the secondary spring will greatly influence “rpms acceleration” the time in seconds (10ths) for the engine to accelerate from one rpm to a higher rpms whatever rpm that may be.
So going from a 160 to a 180 to a 200 to a 225...etc. Each spring force will allow the engine to accelerate rpms quicker. So now if you pull off in deep snow and were to make a run with each spring you will notice as you cycle the throttle in say a 30mph track speed in 1.5’ of snow, each higher force the engine will “recover rpms” quicker.
Ideally at top end mph, the spring forces are nearly the same and should produce similar top speed as long as the rpms are the same.
How to read springs - Illustration
REV secondary springs below
