Will this tune work to get me started?

[sixltrbtr]

This is my first post here and i'm new to the tuning world. I've got EFI live ordered and will hopefully have it here in a few days. I've got a 2003 RCSB Silverado with a magnacharched LQ9/4L60. The motor is basically stock with exceptions of the cam - I226/E232 duration 111* I.603/E.609 lift It also has a 3200 stall converter. LT headers and 60lb injectors. I've got a hp tuners tune that is locked so I'll be starting with a stock computer and I need to get a tune to get me started. I found a tune on Holden Crazy:

LQ4 6.0L Swap, Radix 2.9 Pulley, GT2-3 Cam, LT Headers, 60Lb Injectors, Trailblazer Torque Converter

I know the cam is wrong for the magnacharger. I bought the truck this way. My next purchase is a GT2-3 cam. Will this tune work for me as a starting point with my current cam? Thanks in advance.

[Lextech]

Both truck specs seem to be pretty close. I would think that would be a good starter tune. I am glad you are changing your cam. When I read your specs I thought that 111 should be more like a 116.

Jeff

[sixltrbtr]

Yeah it's a nitrous cam. The guy I got the truck from got a good deal on the magnacharger and bolted it up. It's only making about 4lbs boost right now. I know the cam will help out a lot in that area. I think the GT2-3 is like 118.5 or something like that.

[sixltrbtr]

Another thing I was just made aware of... My truck is an 03'. It has a return style fuel system. The tune is for an 05 which I believe is a returnless system. I think this is going to be a problem. Is there something I can do to still use this tune? Again, thanks in advance.

[Lextech]

Go to table B4001. On the returnless system tune the numbers should get progressively larger as it goes up the Vacuum scale. On the return system tune the numbers should be the same. Do a search for Injector Spread Sheet. You will need to plug in your specific values into the spreadsheet to get the IFR info to plug into B4001.

Jeff