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Evo 8 Valve Question...

Old Sep 23, 2009 | 10:32 PM
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Exclamation Evo 8 Valve Question...

Hej Guys

i was hoping for maybe an answer here.

i have an evo 8 with 50k miles. about a year ago AMS installed head studs & 264 cams & a tune as well.

well, my question is, 2 wks ago i started to hear a knocking noise. like a pounding noise pretty much.. the next day the car didnt start.

i decided id investigate the problem myself.

everything looked ok until i liked down the spark plug hole to discover, my valves were broken in half..

so i decided to look further. as i was taking off the head bolts, i noticed one was pretty much seized to my motor. isnt there some kind of greese thats supposed to be used when installing them?

anyways, continuing on.. drained the coolant took off the manifold and intake bolts and have a person help me lift everything off and what do i find..

every single valve on my exhaust side is broken off.. the intake side is fine.

what exactly would cause this?

thanks

chrissy

Last edited by B00STiNKRiSTYNA; Sep 23, 2009 at 10:58 PM.
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Old Sep 23, 2009 | 10:34 PM
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Old Sep 23, 2009 | 10:38 PM
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wow. sorry to hear about this. before taking the head off your should've check the cam gears to makes sure everything was on timing. that would've been a give away right there. but otherwise my guess is belt jumped pretty bad.

Last edited by evoluvinevo; Sep 23, 2009 at 11:37 PM. Reason: typo
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Old Sep 23, 2009 | 10:46 PM
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Originally Posted by evoluvinevo
wow. sorry to hear about this. before taking the head off your should've check the cam gears to makes sure everything was on timing. that would've been a give away right there. but otherwise my guys is belt jumped pretty bad.

my guess was the cam timing was off. but what do i know, im just a girl..
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Old Sep 24, 2009 | 12:37 AM
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Old Sep 24, 2009 | 01:43 AM
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Timing was off do to a belt jump possible. It's kinda a give away since all of your exhaust vavles are gone.

Side note: Did you take the head off you car by yourslef? If so will you marry me?
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Old Sep 24, 2009 | 08:22 PM
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The only help i had was with the intake bolt on the wayy back of the motor. It took me a few mins to figure that out. But other than that yeah. I just couldnt lift it off either lol
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Old Sep 24, 2009 | 08:47 PM
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hey this is jeremy, holy sh*******t... damn that sucks


I would say ur belt def jumped timing or u belt possibly fail (check it).
then ur exhaust valves slapped Ur pistons a broke
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Old Sep 24, 2009 | 08:48 PM
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Looks like its time for one of these

https://secure.buschurracing.com/cat...315d22b3863bc5
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Old Sep 24, 2009 | 09:10 PM
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Old Sep 24, 2009 | 09:12 PM
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Originally Posted by Evokid03
Looks like its time for one of these

https://secure.buschurracing.com/cat...315d22b3863bc5


mmm... thats sexy
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Old Sep 24, 2009 | 09:24 PM
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hey u intersted in a evo 9 mivec head??? fulll head with conversion

If u r hit me up, but also if u need another evo 8 head i can prbably get u one
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Old Sep 24, 2009 | 09:58 PM
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Originally Posted by evokid03
hey u intersted in a evo 9 mivec head??? Fulll head with conversion

if u r hit me up, but also if u need another evo 8 head i can prbably get u one

since an evo 9 is a mivec, can i put it on my 8?
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Old Sep 24, 2009 | 10:10 PM
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ya u just have to do some modifcation to ur block... i beleive u have to tap for an oil line and get the harness/ mivec sensors
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Old Sep 24, 2009 | 10:17 PM
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