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View Full Version : Putting a K20a in EP need advice



weltall
03-13-2004, 10:23 PM
Will a JDM K20a support boost? B/c, I heard the compression ratio is too high. What can be done to the motor to decrease the compression on it? That is, without increasing the displacement. :)

bioevolve
03-13-2004, 11:54 PM
Maybe 3-4PSI boost with 100+octane gas and IK27 spark plugs lol.

Replace piston to: 10.0 to 1 or 9.0 to 1 or 8.0 to 1.

surfsi2
03-14-2004, 03:44 PM
CN had sleeved the block and droped the compression to like 9:1 and the best part was the sick head and great flow of the type-r intake manifold which increased the flow, but the bad part was the engine from Japan was governed at 110mph. not allowing it to pull a full dyno!
If you get ahold of one of these then don't hold back because they might have high compression but they also have a # of strong parts that compliment the boost, and the compression can be changed.:D