Pioneer primary springs??

FJViper

New member
Joined
Oct 29, 2010
Messages
906
Age
57
Location
Seacoast NH
Has anyone had any experience with Pioneer's Blue or yellow primary springs? If so, was it good or bad?
Thanks
:letitsnow
 

Yeah, I read the engagement was higher. How much is too high? depends on the individual i guess. What was yours at Mopar? Also the spring rate is higher so faster upshift? Looking for whatever I can squeeze out of my Viper with the 53/43 w/ 4.5's in tip. Was going to go with Clickers this year but opted for a new Hacksaw track instead.
Thanks for the info.
 
well i guess maybe depend how u adjust your primary weight ..over 4500 5000 the clutch always overheat went u go slow or on a road crossing road and so on ..maybe if u put more weight in middle to give it more push it will maybe solved the problem ..
 
engagement will be different from weight to weight and how u will set up them ...
 
Engagement will depend on roller size, spring, mass of weights, engagement flat, is there an engagement notch, is the weight tucked, etc. I dont recall what the engagement was. It was a few yrs back that I messed with the pioneer blue spring in my viper but I thought engagement with my primary setup at that time being like 4500.
 
I agree the blue spring was around 4500rpm. Great spring. Yamaha makes a spring very similar in specs with a lower engagement if need be.
 


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