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400eXr1d3rZ
08-16-2006, 08:00 PM
how much power difference would a 416 10:1 and a 426 10:1 piston be?

also with a 10:1 piston and 11:1 diffference?
Wheelie
08-16-2006, 08:28 PM
The difference between a 416 and 426 with the same compression wouldn't be noticable, IMO.

Go with a 10.8:1 416.
400eXr1d3rZ
08-16-2006, 08:43 PM
Can I run 93 with a 11:1?
1fst400
08-16-2006, 10:04 PM
if you run normal gaskets your should be alright, but if you throw some cosmetic thin gaskets you will have to mix some vp in with it.


my 400 was a 416, 10.8-1, thin gaskets. I could run 93 if I keept the motor cool and dident ride it to hard. other wise a water botle full of c12 per gas tank would do the trick.