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

should i get a different chip?

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Old Jun 14, 2008 | 09:17 PM
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Default should i get a different chip?

ive heard that if you change the cam you need a new chip. ive also heard that the maf system is very adaptable to engine modifications.
my mods are in my sig. would it be worth it? the car seems to be running very well, the idle is slightly bumpy. i can definately feel the difference with the 113 heads, the increased compression-10.55, and the voodoo cam and roller rockers giving me .5/.51 lift. what do you think? if yes, who would you reccomend?

as always, thanks in advance

matt
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Old Jun 14, 2008 | 11:15 PM
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Absolutely you need a new tune.
Personally, for years I've used Ron Zimmer at Z Industries in California for custom tunes for my modified Corvettes. In my books he's one of the best.

Last edited by Digital Disaster; Jun 14, 2008 at 11:20 PM.
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Old Jun 14, 2008 | 11:51 PM
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"Lunati Voodoo 256/262 cam "

Those duration numbers advertised or at .050 ?
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Old Jun 15, 2008 | 03:26 AM
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New Chip: PCMFORLESS.com (Alvin) Great, check web site. About $200 for the unlimited chip replacement program. Get notebook and datalog software and send readings to Alvin to do the program, comes out alot better with data readings.
You can search and find all kinds of stuff on the datalog and software.
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Old Jun 15, 2008 | 05:24 AM
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Originally Posted by vinnies87
New Chip: PCMFORLESS.com (Alvin) Great, check web site. About $200 for the unlimited chip replacement program. Get notebook and datalog software and send readings to Alvin to do the program, comes out alot better with data readings.
You can search and find all kinds of stuff on the datalog and software.


He did me right!! PM me if you want to know one to avoid at all cost.
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Old Jun 15, 2008 | 11:36 AM
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thanks for the advice! i will try alvin at pcmforless. the cam numbers are: 256/262 adv,213/219 at .05, 112 lsa
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Old Jun 15, 2008 | 12:24 PM
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The easiest way to see if you need a new chip, injectors, etc is to get a scanner and look at the BLM values and, during a WOT burst, at the O2 sensor readings.

You may be able to get a chip that's "close" w/o scan tool info but such info is needed to get the most from your mods.
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