LT1-LT4 Modifications 1993-97 Gen II Small Block V8

LT1 Tunercats help....

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Old May 31, 2009 | 11:59 AM
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Default LT1 Tunercats help....

I am working with my 94' Camaro LT1 M6. Mods: 255intank,42# injectors, DIY rear mount making 6psi.
I am a noob when it comes to tuning, I cuurently have the car running not very well, but running. in open loop idle is very lean 16-18.0 on WB. I went through and set up injectors on the constant table, I am using the stock open loop AFR vs. temp vs. map. any help here would be great.
as for wot it's very rich 10.3 what table will I pull fuel from WOT vs. RPM or WOT vs. map?
I read a few threads saying you can set your target AFR in WOT vs. RMP and zero out the WOT vs. map, is that correct if so how is this done?
once again any help here would be great!
I can email my current tune to anybody that can help!
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Old May 31, 2009 | 05:26 PM
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i use the maf tables to tune with

you got big injectors and a big pump. im sure it is running rich. why such big stuff
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Old May 31, 2009 | 06:16 PM
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he has the big stuff to support the rear mount turbo
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Old May 31, 2009 | 06:24 PM
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Originally Posted by mk1973
DIY rear mount making 6psi.
You're in SD right? What's your injector constant? Increase your VE at idle, a lean (15:1) idle isn't necessarily bad, just give your car what it runs best at. I was under the impression you want to make sure your VE tables are as close as possible before tuning WOT. I think you want to zero out the AFR vs RPM vs Coolant, so your AFR vs RPM will be the only value you're tuning with at WOT. The WOT AFR tables are adding fuel when the computer determines you're in PE. Therefore you want those part throttle tables dead on so you can more accurately adjust the AFR with those WOT tables, anything you change in your VE will then affect your A/F at WOT. I dunno if I'm right, I'm at work so I don't have TC in front of me for reference. Anyone care to correct me?
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Old May 31, 2009 | 06:29 PM
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what are your cam specs, i forgot
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Old Jun 1, 2009 | 06:18 AM
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i so did not read the rear mount part. sorry. but dont most guys still tune with the maf in boosted applications.
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Old Jun 1, 2009 | 09:53 AM
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Originally Posted by Wicked94Z
what are your cam specs, i forgot
my motor is all stock I hope it lasts alittle bit...
anybody have a tune for 42# injectors?
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Old Jun 1, 2009 | 10:24 AM
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there's more to just changing the constant for the injectors. There's an offset table that needs to be changed depending on the stlye/brand of injectors.
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