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engine damage

Posted: Mon Oct 08, 2007 9:40 am
by contectr
Hi..
i have a euro civic type r with kpro pra ecu and i have set the rev limiter to 8600 rpm and vtec is at 4000 rpm, and last month my stock intake valve spring is damage, contact valve-piston and engine is very damage !
my head is with single sotck valve spring..
why the valve spring is broken??
rev limiter at 8600 rpm is too high??

Posted: Mon Oct 08, 2007 10:29 am
by Spunkster
It is difficult to say what caused it without having everything in front of you to look at it. May have just been a defective spring.

Posted: Tue Oct 09, 2007 3:19 am
by contectr
it's possible a defective valve spring?