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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> HPI Racing >> HPI Off-Road >> Which is it?
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Which is it? - 4/25/2008 10:08:22 PM   
chvydrver


 

Posts: 81
Joined: 9/8/2007
From: Coon Rapids, MN, USA
Status: offline
I recently bought a savage 25, and have been running it since. Its all stock, {for now,LOL} but heres the deal, The hpi engine thats on the truck says .25, AND 3.5, on the same side of the block. My buddy tells me the .25 is actually a 4.1, AND A 3.5 IS A .21. he has one, but mine is different, WHAT IS IT? LOL!

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RE: Which is it? - 5/3/2008 10:30:25 PM   
beer=food


 

Posts: 1166
Joined: 11/26/2007
From: hervey bay, AUSTRALIA
Status: offline
.21 Cubic inches, and it is 3.5 cc's, and l have one also, for a better understanding read up on imperial and metric measuring, it is a BETTER practice to measure engine sizes in CC's over CI, imperial measuring is not as easy to understand as metric and metric gives us the measurements in smaller increments, making very small and very large measurements very easy to calculate fast, and very accurately, l dought in 300 years [ if humans are still around LOL ] that we will use imperial measuring to travel the stars, it doesnt take much common sence to figure out why !

(in reply to chvydrver)
       Post #: 2

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> HPI Racing >> HPI Off-Road >> Which is it?
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