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For the 2.0 drivers that are ready to start tuning.

23364 Views 20 Replies 9 Participants Last post by  ilxluv
With the r18 and the r20 being very similar engines. r18 being 1.8 liter r20 being 2.0
R20 also has longer rods and crank but is essenitally the same engine.

With that said...
Full-Race Civic R18 Turbo Kit FAQ |

Full-Race Civic R18 Turbo Kit FAQ

If you are seriously considering forced induction on your R18 - read this FAQ. It was written to help answer many common questions, and discuss the special attributes that make the R-series engines from Honda great for boost. If there is something you need to know not listed, please email [email protected] and we'll help. The information contained herein has taken years of hard work from many smart people to compile. If you are serious about turbocharging your car, and do not yet understand turbochargers, Full-Race highly recommends reading these two books to get prepared for boost.
■"Maximum Boost" by Corky Bell
■"Street Turbocharging" by Mark Warner - (Full-Race contributed to this book)

R-Series Engines

Honda Motor company designed the lightweight low-friction "R-Series engines" for excellent fuel efficiency/MPG, low emissions, and long life. Found in 2006+ non-Si Civics (R18) and international Accords and CRVs (R20), the R-series cylinder head features an integrated exhaust manifold for maximum exhaust heat energy and "fast catalytic converter warmup". The downside to this cylinder head design is poor "All-Motor" Naturally-Aspirated power ... However, the upside of this design from a performance enthusiast perspective is it's perfect for a turbokit: the increased heat energy which normally helps to warm up the cat faster - now helps spool the turbo faster (which is just fine by us turbo honda afficionados).
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Question: what will modifying or replacing the ECU do to the factory warranty?
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