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Hi guys,

Got an LS 1 with a mild street cam with a 700r tranny in a C10. Truck runs okay but we're having trouble with a surging idle after hot start. Attached is a log file and tune file. Hoping...

It's an LS1 style 3 bar MAP from EFI source.

Hi guys,

I'm new to boosted motors and I'm wondering if any experts can look at my start up/idle tune/log and provide some feedback. It's a 3 bar SD setup. T76 turbo, 224/224 cam with 110lsa,...

This worked for me...

http://www.masterenginetuner.com/ls-big-cam-idle.html

Is it possible that the cam timing is off? My dad says that he installed the cam at TDC on #1, but he has heard it's supposed to be #6. To the question of what fuel we're running, it's 91 octane....

Hi guys,

I'm helping my dad with an 99 Ls1 swap into a 67 C10. I started a speed density tune but after the first test the truck is crazy lean after about 1200 RPM. We ran a fuel pressure test and...

I don't have a IAC as it's DBW. I'll look at the other idle setup stuff and report back.

Thanks guys. Whether or not the pigs are lean or rich they're flying way above my head ;).Interesting thing is it seems to return to idle after moderate throttle before it gets up to temp. Once I'm...

Thanks for the response. I'm not sure about the accuracy of the MAF but i do know the car was much happier running with no MAF. I have no doubt that this is probably user error as I'm a novice. Any...

Hi guys,

I'm using the tuning school's GM beginner book to tune my nova with a 5.3 (cammed with 224/224 110 LSA). I tuned the VE table and my LTFT were a respectable -3 to 0. I moved on to MAF...

Thanks for the response. Just curious, how do you recognize there is a vacuum leak by the log? Not being combative, just trying to learn.

Hi guys,

Appreciate you taking the time to give this a look. Here is the situation:

Car: 1963 Nova
Engine: 2003 5.3 LM7
Mods: 224/224 TSP cam with 110 LSA + spectre cold air intake (also...