Box Stock

Long rod or short for a plate motor??

N

Newie

New member
Rules state stock piston with any length rod,so my question is whitch would perform the best on a green plate predator? Thanks in advance
 
To give a good answer we would need to know a lot more about the rules you run. Some questions that come to mind are is decking or adding material to the block allowed? What type of piston? Is there a cc rule and how is it measured? What type of head? Head gasket? Valves? Cam specs? Crank specs? To make a call on the rod length if you can use "any length" you need to take a total build approach not just pick a part.
 
It has to be stock piston im going to use a non hemi predator decking and milling is fine as long as cc is no less than 24.58cc,checked thru spark plug hole,its the mars rules
 
There's a thing called Rod length to stroke ratio. It is thought, right now, that the ideal is 2 to 1. The rod being twice the stroke. Clones and Briggs are nowhere near that ratio. Still, I would imagine any increase in the Rod length would help, even if it is just a tiny bit.

Don't forget to set the combustion chamber CC's with the new Rod.
 
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