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  1. #1
    Member Array
    Join Date
    May 2008
    Location
    Loganholme, QLD
    Car:
    dc2 vtir

    turboing b18c2??? Updated with build post...

    Updated with follow on build post (years after this post lol)



    Hey guys, done some searching and was wondering if anybody here has done the following to drop compression for their B18c2 when boosting.

    1: b16a/b18c type r head (larger combustion chamber)
    2: Slightly larger head gasket or keep oem head gasket.

    The way i am looking, i would like to run standard comp, but would like a little piece of mind as sometimes you can never truly trust a rushed and busy tuner, and from what i have read on these forums, a slightly lower comp will give some lenience when tuning....

    I want to change from the b18c2 head to a b16a/b18cr head. This is supposed to drop comp aprox 0.2-0.25. So from 10:1 to 9.8:1-9.75:1

    Would doing this allow for enough leniency for a tune? I would rather not run a thicker head gasket but will if i have to as i am not in the price range for a full forged rebuild atm.

    Any ideas to if this would be a viable option?
    Last edited by Webby_roller; 04-11-2013 at 11:38 PM.

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