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Old 06-05-2011, 10:05 AM   #48 (permalink)
Red__Zed
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Join Date: Jul 2010
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Drives: Mostly on two wheels
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While we are talking reliability, I think it is helpful to say a few things related to it.

Reliability is always a tricky subject, and you will hear a ton of conflicting information. My take has always been that you should be prepared to purchase a new engine at any point if you are FI. simply because you don't know.
As far as running time with FI, a lot of it depends on your tune and how you drive, rather than just the power you are laying down. If you are running your Z hard with 4-500 WHP, you will need a rebuild before 50k...most likely, a stock Z run hard would probably need some TLC around that point anyways. Some of it is also just luck and chance.

To that point, I've owned a couple boosted S2000's, and so has one of my friends. We had similar builds set up by inline pro, except I was gutsier and turned up the boost more. He ran ~458 whp, mine was laying 515 to the wheels. His car lasted about 10,000 before his engine was beyond saving. Of course, this dude drove hard for all of those miles....

I put about 20,000 on mine, including a bunch of drag passes, and when we tore down the engine there was nothing worse for the wear...probably because I wasn't running around at 10,000 rpms to get milk.
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