2003 CORVETTE LS1 6SPD w/VARARAM VB2, I need tune specs

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WJW257
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Joined: Tue Aug 07, 2007 4:14 pm

2003 CORVETTE LS1 6SPD w/VARARAM VB2, I need tune specs

Post by WJW257 »

I have a 03/2003 Corvette cpe 6spd, LS1, 3.45 axle, with a Vararam VB2 CAI - 160degree Hyperstat, 40,000 miles, everyday driver, 12 miles to work, I live in Atl,Ga (hot & humid during spring &summer) no other mods, all else is stock.
I have the DiabloSport Predator U7198 programmer.

I need to know what specs to start with, I ve got most alll the pinging out by adjusting the timing to 1%+ in the mid & upper rpm settings.
I am experimenting with the injector curve at 1-3% + range.
she seems to run fine but what else can I do
before this the car seemed starved for fuel at about 4500 rpm under quick accelleration.
Last edited by WJW257 on Tue Aug 07, 2007 6:22 pm, edited 1 time in total.
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mikel
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RE: 2003 CORVETTE LS1 6SPD w/VARARAM VB2, I need tune specs

Post by mikel »

Follow the sticky above to get the LTFTs dialed in and you should be all set.

I am lost as to how you got rid of the pinging by adding timing? That seems backwards to me....

Thanks
Mike Litsch
DiabloSport Brand Manager
Diablo Tech support by phone:
561-908-0040
M-F 8:00 AM to 5:00 PM EST

[email protected]
WJW257
Posts: 2
Joined: Tue Aug 07, 2007 4:14 pm

Re: RE: 2003 CORVETTE LS1 6SPD w/VARARAM VB2, I need tune sp

Post by WJW257 »

I dont see a sticky, I'm new to this forum.
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06MonteSS
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RE: Re: RE: 2003 CORVETTE LS1 6SPD w/VARARAM VB2, I need tun

Post by 06MonteSS »

stickies are located at the top of the main Predator GM Gas forum listing...

but here's the link for ya' ;)

http://www.diablosport.com/index.php?na ... opic&t=917
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