C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

RE; Tuned

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Old May 4, 2009 | 10:46 PM
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Default RE; Tuned

I only owed this 86 for a little over a year. This passed winter I had the heads reground and the springs replaced. Then I spun a bearing. Know I keep seeing this question on the site. Did you have your car tuned. Call me old school but what is all envolved in tuning. I also worked with TPIS and had the chip up dated.
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Old May 5, 2009 | 05:52 AM
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"Tuned" would mean "have the PROM chip edited". Meaning: have the fuel and/or timing tables changed, most likely. Same thing as changing the jets in a carb and playing with the distributor advance curve in a mechanical advance distributor.

Wouldn't be anything you would need after a simple valve job, and wouldn't have anything to do with a bottom end problem (like a bearing).
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Old May 5, 2009 | 09:10 AM
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I didn't think it was why I blew the bearing. I just was wondering what all They were doing when you get it tuned.
I also was wondering what is the max RPM on L98

Thanks for the reply.

Last edited by sunnfish; May 5, 2009 at 09:15 AM.
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Old May 5, 2009 | 09:14 AM
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Originally Posted by sunnfish
I didn't think it was why I blew the bearing. I just was wondering what all They were doing when you get it tuned.

Thanks for the reply.

Gets the most power out of whatever you are running. PCMforless.com said I will see 10-20 hp gain on a mildy modded engine.

Use files on a laptop downloaded to a chip designed to override the factory settings of the car. MORE POWER!
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Old May 5, 2009 | 09:28 AM
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Originally Posted by Sorry Officer
Gets the most power out of whatever you are running.
True dat. But for the large majority of mods a tune is not essential in a MAF car. The MAF, O2 sensor and the EST/knock sensor will do a creditable job in adapting to changes.
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Old May 5, 2009 | 05:23 PM
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Originally Posted by Muffin
True dat. But for the large majority of mods a tune is not essential in a MAF car. The MAF, O2 sensor and the EST/knock sensor will do a creditable job in adapting to changes.
Thanks for pointing that out. I did not know that. Isnt it the cam/heads swap that need the biggest tune, then super/mini/stealth/ram on a Maf car though?
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