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i have recently lost the use of one cylinder on my KL03 which might have been caused from a mechanic who possibly did a shotty job on a helicoil and left shavings inside. I had a sparkplug forced out of its threading stripping it.

Can anyone offer any ideas as to what might be wrong with the cylinder? (i will take it for a compression test soon)

I ask as I've been considering installing a ZE but from researching am torn between the ZE or repairing my 03. I only consider the repair because I've seen information on the ZE's mentioning that upon reprogramming the ECU's the engine loses horsepower and considerably I could put around the same amount of money into my 03 giving me pretty much the same expected performance from the ZE. If this is the case, does anyone know how much HP is lost with the reprorammed ECU?

Is it within reason though that I still come out ahead with the ZE as I am coming out above the 03 in HP still after the new ECU settings and still have other modifications to add HP while the 03 will have less HP after additional modifications and the repair.

Other modifications that would be done to both engines being; a home depot CAI , a performance exhaust system, new clutch, and in the future lighter rims.

Am I reading good information on this?

In defense of the 03; what could be done to that engine on a budget of $2,000 to max its HP potential?

I'm pretty torn between the two at the moment and welcome any input people have.
 

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If our ECU is same as those probe, KL03 ECU can be use in KLZE. And you will get what KLZE give you (200hp)...

Of course, a better tune KLZE ECU will give you more hp.

For $2000, you can get $500 V6 header, $180 Cold Air Intake, $500 Greddy Exhaust, $180 Intake Cam, $150 full exhaust piping, $150 Hi-Flow Cat, $300 Finazza Flywheel, $450 ACT II Clutch, Pulley, Spacer, And maybe nitrous :D

Without the nitrous, you can get extra 30hp on above list. roughly :)
 
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