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Old Apr 26, 2006 | 06:21 PM
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Default Vararam Intake

Hey guys,
I just purchased a vararam intake for my auto 2000 C5 corvette along with a VINCI VHP TUNER. I also have a Tbryne MAF ends, larger air bridge, and smooth air bellow. I was wondering how i should tune my car now with the Vinci tuner. I heard Vararam leans out the car alot, along with the Tbryne MAF ends and air bridge, but i also hear that the computer fixes the air/fuel ratio accordingly and its the knock that robs the horsepower. Can i fix this problem with the Vinci tuner by adding fuel or timing?

PLEASE HELP ME BECAUSE I AM LOST!!!! Any information will do me good. I just need to know exactly what to do with my Vinci according to the mods i have.

Thanks Alot guys

-Clay
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Old Apr 26, 2006 | 09:13 PM
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Anyone??? Please any suggestions would help.... I just need a baseline to start out with.
-Clay
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Old Apr 27, 2006 | 06:27 AM
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Two people I would contact directly. One is either Joe Vinci or Roger Vinci at VHP. They developed the tuning for Crane that the unit uses. Second is member mrr23 who does Vinci's web site but is also very familiar with using the tuner as well. He can probably help. When I had an issue with something he shot me his phone # and we talked for quite a while.

Good luck
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Old Apr 27, 2006 | 04:56 PM
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Default vinci

Originally Posted by Zo6Killa
Hey guys,
I just purchased a vararam intake for my auto 2000 C5 corvette along with a VINCI VHP TUNER. I also have a Tbryne MAF ends, larger air bridge, and smooth air bellow. I was wondering how i should tune my car now with the Vinci tuner. I heard Vararam leans out the car alot, along with the Tbryne MAF ends and air bridge, but i also hear that the computer fixes the air/fuel ratio accordingly and its the knock that robs the horsepower. Can i fix this problem with the Vinci tuner by adding fuel or timing?

PLEASE HELP ME BECAUSE I AM LOST!!!! Any information will do me good. I just need to know exactly what to do with my Vinci according to the mods i have.

Thanks Alot guys

-Clay
vinci told me to go with hyper stock cam, perf transmission, add 10% timing for callaway intake, stingers, x pipe.
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Old Apr 27, 2006 | 07:08 PM
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What if i tune it with the hiperformace/stockcam setting and increase the fuel 5 or 10%???? Is that too much fuel???
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Old Apr 27, 2006 | 08:27 PM
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Originally Posted by Zo6Killa
What if i tune it with the hiperformace/stockcam setting and increase the fuel 5 or 10%???? Is that too much fuel???
In all honesty, you really need to scan and tune the car. That is the only way you are going to know if 5% or 10% is too much or too little. If you change the timing (as you mention in your first post), this won't affect your AFR. If the engine is lean, then lowering the timing could reduce some of the risks associated with being lean i.e. detonation.

I don't have a Vinci tuner, but I do have a Crane Power Tuner. I know that Vinci helped develop that unit. How do you change fuel in the Vinci unit? With the Crane unit, you can only change the injector size by a percentage amount.

BTW, I would imagine the 'Hi-performance' tune increases the timing.
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Old Apr 27, 2006 | 09:06 PM
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Originally Posted by Zo6Killa
What if i tune it with the hiperformace/stockcam setting and increase the fuel 5 or 10%???? Is that too much fuel???
First, you didn`t mention if you are actually experiencing a lean condition and or throwing codes after the Vararam install!
I would perform a re-learn on the computer first and give it a couple hundred miles to adjust.
If you tune on it "before" it has a chance to adjust you won`t be getting accurate feedback on which to make your adjustments.

If after the re-learn you still need to make adjustments, by all means contact Vinci, the are very helpful and can provide you with the proper adjustments to make.

For the record, the Crane/Vinci tuner is an excellent tuner, with my set-up I used the number 1 Perf cam setting and advanced the timming 10%, and leaned out 1 setting,+ 16oz of Torco. I lost 10rwhp but GAINED 42rwflbs!!!! 385rwtq on an A4 with Vararam,QTP TRI-Y headers, RandomTech cats/x-pipe.... not to shabby...... this tuner can produce some real gains if used correctly.
Don`t forget to check your a/f on a dyno if you start making big adjustments, too lean is bad news!

Good luck!
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Old Apr 28, 2006 | 05:20 PM
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Originally Posted by R.P.
First, you didn`t mention if you are actually experiencing a lean condition and or throwing codes after the Vararam install!
I would perform a re-learn on the computer first and give it a couple hundred miles to adjust.
If you tune on it "before" it has a chance to adjust you won`t be getting accurate feedback on which to make your adjustments.

If after the re-learn you still need to make adjustments, by all means contact Vinci, the are very helpful and can provide you with the proper adjustments to make.

For the record, the Crane/Vinci tuner is an excellent tuner, with my set-up I used the number 1 Perf cam setting and advanced the timming 10%, and leaned out 1 setting,+ 16oz of Torco. I lost 10rwhp but GAINED 42rwflbs!!!! 385rwtq on an A4 with Vararam,QTP TRI-Y headers, RandomTech cats/x-pipe.... not to shabby...... this tuner can produce some real gains if used correctly.
Don`t forget to check your a/f on a dyno if you start making big adjustments, too lean is bad news!

Good luck!

The thing is that i dont know if im running lean or not, i havent hooked my car up to anything that could read my air/fuel ratio. I was just told by someone that the Tbyrne MAF ends would run the car lean, along with the big air bridge and Vararam.
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Old Apr 28, 2006 | 06:20 PM
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Originally Posted by Zo6Killa
The thing is that i dont know if im running lean or not, i havent hooked my car up to anything that could read my air/fuel ratio. I was just told by someone that the Tbyrne MAF ends would run the car lean, along with the big air bridge and Vararam.
By my understanding, if your car runs lean it will cause the kr (knock Retard) sensor to pull timming which usually throws a trouble light/code.
The code will confirm which bank/banks are running lean.
This is exactly what happened when I tried a Granatelli maf to my car, lean codes! I ended up going back to stock and no more problems.
If you aren`t throwing codes you should be fine, the computer usually
adjusts to the increased air flow without issues.

Good luck!
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