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I've heard of KLZE's passing inspection with a gutted catalytic convertor. As long as the engine is running as it should, you use 92/93 octane gas, and you use the proper ECU & VAF combination then there is a decent chance you can pass emissions.

If you are really concerned - grind off or otherwise mutilate the KL lettering which is just to the side & right of the back exhaust manifold - there is no way during an MOT / yearly check anyone can tell it's not a 1.8. Also it would take an amazing insurance loss adjuster or assessor to have the smarts to measure the cc of the engine. I am assuming of course that you don't have 2.5 KLZE plastered in 6" high letters all over the trunk or windscreen though!!!!!

what about the cams, and cam gears from the 2.5 klde? can they be put on the 1.8L?

Hey Man, <p>I didnt mean to sound like a smarta**. I am sorry that you took it that way.<p> I was actually trying to help you out by pointing out that you didnt ask a complete question.<p>Sorry man-- like I said, didnt intend for it to be rude.

can u take the cams and cam gears form a 2.5L and put them in a 1.8L? without havin ne problems? will u get more power?

yes you'll get more power. From what I'm told, the most aggressive cams are KFZE cams. You can swap any K series cams in any car from what I understand. I wouldnt go throwing the KJ cams in there though.<p>and enough w/ the rude comments.<p>[ July 15, 2003: Message edited by: Custommx3 ]</p>

<blockquote><font size="1" face="Verdana, Arial">quote:</font><hr>Originally posted by Custommx3:

and enough w/ the rude comments.
<hr></blockquote><p>Who are you referring to Barry?? I wasnt trying to sound rude and I even apologized if it was taken that way.

He was probably talking about Aiden, don't worry.

so does ne one know how much more power i will get if i put the american 2.5L cams in my 1.8L?

no dyno tested answer for this question.<p>My knowledge would say 5-10hp.

will the difference be noticeable and worth puttin em in?

Well if you feel compfortable dismantling the top end of the engine. You could take it to a Mazda dealer but your looking to pay upwards of a grand.

i am comfortable with it. im just askin if it would be a noticeable power increase by switchin the 2.5L cams in? or is it just a lil bit an dnot noticeable?

Yes you well notice it, seat of the pants it almost impossible for a human being to feel the difference with a few hp. You'll notice it more on the lower end.

I have a set of KL-03 cams sitting in my shop that I "Should" have in by then end of the month. I'll post the results. One quick question though. Everyone tells me that the intake cams would be more agressive than the K8 ones, but whats the general idea on the exhaust cam comparison of the K8/KL? I'm undecided if i should even put in the KL exhaust cams. Or would it be stupid not to put them in?