ScoobyNet.com - Subaru Enthusiast Forum - JDM v5 sti engine vs UK sti v5 engine

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dennieboy96

18 June 2014 03:01 PM

JDM v5 sti engine vs UK sti v5 engine

hello mate's i am wondering what are the advantage's of the JDM v5 sti engine against a normal UK sti v5 engine? is it stronger? i know the v7 engine is stronger when is JDM but i am not sure with the classic one's.

MattyB1983

21 June 2014 11:16 PM

No such car as a classic UK STI.

little'un

28 June 2014 11:55 PM

If you are comparing engines on a V5/6 JDM STi to a 1999/2000 UK/Euro/WRX turbo, the differences are...

Pistons
Cams
Valves
Valve Springs
Shims + Buckets
Retainers

The upgraded valvetrain on the STi allows for a higher rev limit than the WRX motor.

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