Decision time about the cam and lifters

Information on the naturally-aspirated KA24E and KA24DE engines.
lovemysan2
Posts: 85
Joined: Mon Aug 25, 2003 8:36 am

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Well an interesting tick has surfaced along with a nice part throttle miss. This is in light throttle applications only. Between 2.5k to 3.1k, the miss that is. It occurs when I bring the revs up sitting still at 2500 I get the miss, when I push past 3100rpm it jumps off the miss.

The light ticking noise is constant. Slightly louder with revs. So I either have a dead or dying lifter or something slightly less major. Maybe an injector.

You guys ever had something like this happen.

Devious I would like to talk to you on email. MY PM doesn't work. COuld you shoot me an email to [email protected]


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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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Hmm, that miss is unusual, especially at a certain rpm like that. Have you checked you ignition system (rotor or cap maybe?) that could possibly be your problem. You should be able to know if its a lifter tick by now, youve had so many problems with that :) jk. Ive heard some pretty loud injectors to so maybe. Ill shoot you an email here in a few minutes.

lovemysan2
Posts: 85
Joined: Mon Aug 25, 2003 8:36 am

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The tick is very light. It might not be a lifter. Its funny because if I just creep the revs past 3100rpms it quits missing and bounds to 3700rpms +.

Devious I'm still considering the solid lifter conversion. Would you be interested in a trade for some 11 new oem lifters. Still in box.


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