cracked valves

Information on the naturally-aspirated KA24E and KA24DE engines.
hardbodyhybrid
Posts: 6
Joined: Sat May 01, 2004 1:46 pm
Car: anything custom and my club FEAR OF HEIGHTS

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what is a good fix for the 24e cracking its exhaust vle on the no.3 cyl, i plan putting a turbo on my hardbody and dont want have tear it back down for this problen shortly thereafter?


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deviousKA
Posts: 1355
Joined: Tue Aug 12, 2003 5:04 pm
Car: 90 240sx NA /72 Datsun 510 NA /86 corolla GTS NA
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Ive never seen any that have cracked a valve on the exhaust. Where did it crack? Has it happened more than once? If anything they usually burn them up from lean condition, or bend them due to various problems.

If you use good condition components, or have a good running used engine, you should not have this problem. Turbo or not.

hardbodyhybrid
Posts: 6
Joined: Sat May 01, 2004 1:46 pm
Car: anything custom and my club FEAR OF HEIGHTS

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ive benn talking to a few people on nissanminis.com and several of them told this was a common problem. i asked this question here because this forum is dealing with the KA and the KA only. i figured i would probably get more info. i havent heard of this myself but i would just rather be safe than sorry.

ADAMHU
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Joined: Mon Aug 19, 2002 7:57 am
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here is a pic of my cracked valve from detonation on my ka24et :)


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deviousKA
Posts: 1355
Joined: Tue Aug 12, 2003 5:04 pm
Car: 90 240sx NA /72 Datsun 510 NA /86 corolla GTS NA
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wow, haha now i have seen it. Detonation is unkind


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