Setting the Idle with a CDS 5K GSK?????

Kinda odd there so im going to take a 2800 RPM pump and turn it 5k with just springs??? It may get it there but it wont hold it

with supporting mod. it will, If you take a bone stock truck and put 5k gsk in it it will not turn 5 grand and if it dose it is gonna float the valves. like i said first with supporting mods the 5k gsk kits will let you full fuel to almost 5k rpm
 
Dumb question guys.

Say your pump was benched with 4ks in it, why cant you do a set of 5ks?

I'm asking because I have a pump that was benched with 4ks in it. I am wanting to do a set of 5ks.

Is there any disadvantages to the 5ks after the pump was benched with the 4ks?
 
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