ayub45

New Member
Joined
Jul 23, 2018
Messages
6
Car(s)
2.0 toyota mr2 mk2
hi all i was looking at 500hp forums for an ek4 and i was curious to know what the best compression ratio is for a b18c4 on the forum the indervidual said that he would not go over a 10-1 or 9-1 on a 500hp motor can someone please if you can inform me on the best cr for daily and track use
 


Vtec6000

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Jun 5, 2007
Messages
6,222
A higher static compression will yield more HP per PSI of boost than the lower CR engine. If you are in the UK and plan to use the likes of Shell V power(99 octane) then for sure build the motor to 10.0:1 CR.
 


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