Desperately looking for a tune for a blown 383?
I'm wondering if someone out there with the same type of config as mine has a tune they can send me. I should add I have 50# injectors, no fmu.
Thanks a lot. i have looked at a couple of the websites that have files but unable to find one right for mine combo.
------------------
1997 T/A WS6 Con
383, ATI Procharger D1-SC @15#, relocated MAF, FLP's, Borla, Kenny Brown DD SFC's, Hal's, SLP-Springs, STB, sway bar, shifter-Lou Salzano SS, 5-point chrome roll bar, ZR1 rims, KTRE 12 bolt 3.73's. etc etc.
Best 12.30 @ 121.79- "Traction.....we have a problem"
527 RWHP / 570 lbs.
Thanks a lot. i have looked at a couple of the websites that have files but unable to find one right for mine combo.
------------------
1997 T/A WS6 Con
383, ATI Procharger D1-SC @15#, relocated MAF, FLP's, Borla, Kenny Brown DD SFC's, Hal's, SLP-Springs, STB, sway bar, shifter-Lou Salzano SS, 5-point chrome roll bar, ZR1 rims, KTRE 12 bolt 3.73's. etc etc.
Best 12.30 @ 121.79- "Traction.....we have a problem"
527 RWHP / 570 lbs.
You caught my attention when you said blown 383 with 50#-ers and no FMU...
A bud of mine has a '96 LT4 vette that we're in the process of tuning. He has the LT1 edit w/laptop and we still have to take it out and do some fuel tables. Here's his setup:
K&N Air Filter, 160 Degree Thermostat, Hooker Long Tube Ceramic Coated Headers, Road Tech Custom 3" Cat-back Exhaust System, Car Sound 3" Cats, LPE Ported LT4 Intake, LPE Port & Polished LT4 Heads w/ 2.00"/1.56" Stainless Steel One Piece Valves, Double Spring/Titanium Retainers,Comp Cams Pro Magnum Roller Rockers, LT4 Hot Cam (218/228 525/525 w1.6 R&R 112), Arizona Speed & Marine 58mm Throttle Body, 8 psi Vortech S-Trim Supercharger, ATI Intercooler, Custom 8rib pulley system, Custom 3 Inch Air Inlet on the back of the Vortech, MTI built low compression 383ci, Callies Crank, Callies Rods, J&E Pistons, Callies 4-Bolt Billet Spayed Main Caps, GM Extreme Duty Timing Chain, Custom Fuel System, 3 Fuel Pumps, -8 Braided Fuel line, Paxton Regulator, 50 lb MSD Injectors, MSD Ignition, Mcleod Dual Disk Clutch, Autopower Roll Cage, LGM Door Bar, Absloute Power Custom Computer Programming.
He puts down 555rrhp with 550 ft./lbs. of torque untuned running fat. That was with 6#'s through an ATI intercooler...
The car is very strong...
His user name is Madhu. If you go to the Forced Induction forum and do a username search under "Madhu", you should be able to contact him via email...
A bud of mine has a '96 LT4 vette that we're in the process of tuning. He has the LT1 edit w/laptop and we still have to take it out and do some fuel tables. Here's his setup:
K&N Air Filter, 160 Degree Thermostat, Hooker Long Tube Ceramic Coated Headers, Road Tech Custom 3" Cat-back Exhaust System, Car Sound 3" Cats, LPE Ported LT4 Intake, LPE Port & Polished LT4 Heads w/ 2.00"/1.56" Stainless Steel One Piece Valves, Double Spring/Titanium Retainers,Comp Cams Pro Magnum Roller Rockers, LT4 Hot Cam (218/228 525/525 w1.6 R&R 112), Arizona Speed & Marine 58mm Throttle Body, 8 psi Vortech S-Trim Supercharger, ATI Intercooler, Custom 8rib pulley system, Custom 3 Inch Air Inlet on the back of the Vortech, MTI built low compression 383ci, Callies Crank, Callies Rods, J&E Pistons, Callies 4-Bolt Billet Spayed Main Caps, GM Extreme Duty Timing Chain, Custom Fuel System, 3 Fuel Pumps, -8 Braided Fuel line, Paxton Regulator, 50 lb MSD Injectors, MSD Ignition, Mcleod Dual Disk Clutch, Autopower Roll Cage, LGM Door Bar, Absloute Power Custom Computer Programming.
He puts down 555rrhp with 550 ft./lbs. of torque untuned running fat. That was with 6#'s through an ATI intercooler...
The car is very strong...
His user name is Madhu. If you go to the Forced Induction forum and do a username search under "Madhu", you should be able to contact him via email...
tuning file
Hey Mike (Cajun Z),
What's up?
97TA-WS6-Con,
Do you have LT1 edit?
I have a couple files that I could email you (one w/ zeroing out knock values, one w/ knock values of max 4 degrees etc.)
I think are cars are pretty similar.
What are you running for a fuel system?
Mine is: 2 Walbro GS340's in tank - 255gph inline - -8an line, Paxton Adjustable Regulator, and MSD 50lbs.
Base fuel pressure is 40lbs - up to 60 in boost - still runs pig rich at 02 values of 935-960.
All runs done on pump gas.
Next step is to lean it out some and see what happens
Madhu
What's up?

97TA-WS6-Con,
Do you have LT1 edit?
I have a couple files that I could email you (one w/ zeroing out knock values, one w/ knock values of max 4 degrees etc.)
I think are cars are pretty similar.
What are you running for a fuel system?
Mine is: 2 Walbro GS340's in tank - 255gph inline - -8an line, Paxton Adjustable Regulator, and MSD 50lbs.
Base fuel pressure is 40lbs - up to 60 in boost - still runs pig rich at 02 values of 935-960.
All runs done on pump gas.
Next step is to lean it out some and see what happens
Madhu
Hot diggity.
You have a VERY similar combination as I.
I DO have Edit
I have been running out of fuel with the Walbro 340 M intank and the ATI inline T-Rex so I think I have concluded I need to go to a dual intank.
I run 49 psi and spike to abut 59 - 60 but again the pressure is a little high because I was hoping that would help my fuel problem.
I'm using 94 Octane.
I have sen 13.5 lbs of boost. Best rwhp is 527 but agian I was running out of gas and going REALLY lean. Dangerously lean to be honest.
I certainly would appreciate the tunes you have to date. I am having problems with my LT1 edit though, won't let me upload. Not sure what that is about. In addition I will have to take the car off the road and have the motor looked at. I have had a concern about blow by since the car had the motor installed. I have a rear main oil leak that has been fixed once already and I have had the car running lean for a while.
Add that all together, and prudance dictates I take the motor out and have it checked over.
I'd love to stay in touch
You have a VERY similar combination as I.
I DO have Edit
I have been running out of fuel with the Walbro 340 M intank and the ATI inline T-Rex so I think I have concluded I need to go to a dual intank.
I run 49 psi and spike to abut 59 - 60 but again the pressure is a little high because I was hoping that would help my fuel problem.
I'm using 94 Octane.
I have sen 13.5 lbs of boost. Best rwhp is 527 but agian I was running out of gas and going REALLY lean. Dangerously lean to be honest.
I certainly would appreciate the tunes you have to date. I am having problems with my LT1 edit though, won't let me upload. Not sure what that is about. In addition I will have to take the car off the road and have the motor looked at. I have had a concern about blow by since the car had the motor installed. I have a rear main oil leak that has been fixed once already and I have had the car running lean for a while.
Add that all together, and prudance dictates I take the motor out and have it checked over.
I'd love to stay in touch
383 Stroker with Supercharger
Madhu,
I came across this thread by FLUKE but boy does your combo sound similar to mine and DO I NEED YOUR HELP!
I also have the LT1 edit. Since I live in Canada I will be pulling the car out and the first thing I will be doing is a leak down test. I am afraid the current program I have might be to rich and so I think I washed the rings last year....not sure yet!
I am also running 50# MSD injectors, no fmu with a Vortech Supercharger. I have a custom fuel system as per Vortech's design specs with a Walbro in-line pump and a custom 4" exhaust so she can BREATH.
I use pump Gas (94 Octane) and I also have a fuel pressure regulator.
It would be greatly appreciated if you could send me your LT1 Tunes to date and let me know which one seems to work best!
Thanx in advance and it's good to hear someone has a similar car set up!
I came across this thread by FLUKE but boy does your combo sound similar to mine and DO I NEED YOUR HELP!
I also have the LT1 edit. Since I live in Canada I will be pulling the car out and the first thing I will be doing is a leak down test. I am afraid the current program I have might be to rich and so I think I washed the rings last year....not sure yet!
I am also running 50# MSD injectors, no fmu with a Vortech Supercharger. I have a custom fuel system as per Vortech's design specs with a Walbro in-line pump and a custom 4" exhaust so she can BREATH.
I use pump Gas (94 Octane) and I also have a fuel pressure regulator.
It would be greatly appreciated if you could send me your LT1 Tunes to date and let me know which one seems to work best!
Thanx in advance and it's good to hear someone has a similar car set up!
Last edited by No_Secrets; Mar 22, 2003 at 08:58 PM.
No_Secrets,
What's up man?
Just checked my mail and saw this thread.
I'd be more than glad to help.
My tune is pretty rich but I should be putting it on a dyno soon and seeing if i can raise the hp just a little bit
Email me and we'll talk.
Madhu
What's up man?
Just checked my mail and saw this thread.
I'd be more than glad to help.
My tune is pretty rich but I should be putting it on a dyno soon and seeing if i can raise the hp just a little bit

Email me and we'll talk.
Madhu
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