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Well he's going to have to figure something out. Without roller tips that cam is going to wear out the valve guides pretty quickly, especially those bronze ones. Maybe longevity is taking a back...

Oh that doesn't surprise me one bit. Thing is thousands of people have also tuned with that data. I guess what I'm getting at is you claim improvements over other's work and even your own previous...

Alright well it's responding to fueling commands. That's what I wanted to check. Rough adjustment to VE here.

Try this real quick.

Check spring install height as well. Shim as needed.

The errors become increasingly more important because as pulsewidth decreases the non-linear region comprises a greater proportion of total fuel delivery.

I'm not offended at all. I'm glad you...

Offset the weight of the roller tips with titanium retainers. Check wipe pattern with a permanent marker.

I'll second the Denso recommendation.

Right. MAP is decreasing. That tells me and edcmat that something in the the intake can't keep up. The decreasing MAF part points toward valve control.



You really need to be careful. ...

Thank you. I spoke to the error at low PW above. I also spoke about how the only response to my questions is the one you just gave - people are able to tune with it. Andy at AACorvette said the...

Are you sure the initial spark timing is correct? I'm having to give it a lot of advance at idle, and that's what you're seeing as improvement. How did you go about integrating the optispark with...

Yeah it's hard to tell. Looks like a normal shift except for MAF falling off. I'm leaning valve float. What's the P/N on the springs?

Sure, some component of the intake tract can't keep up with...

SPA is short pulse adder. It's one of the tables in Fuel>General.

Offset is the delay time between when the injector is told to fire and when it physically reacts. When the injector starts to...

200/8 for 12615136. Which IAT sensor?

Start a thread about it with your tune and log posted.

You didn't do that FIC data from post 48? How come the beginning of SPA holds for so long on these cals? Physically that doesn't make sense. Flow graph to GM data.

That's good on TB adjustments for now. Let it idle up to operating temp if you can.

Tell me about what all has been done to the ignition system.

Lingenfelter Crank and Cam conversion box.

Yeah see that's why. Move the stop in until the throttle just starts to crack open. Throttle should rest on the stop not the blade. Give it another 1/2 turn.

Perform throttle relearn.

Don't...

You backed out the screw yet TPS voltage didn't change. Is the screw still on the stop? When you moved the screw the throttle moved with it?

Ah ok. Then just do the tuning with narrowbands part.

Show me the link to them. I figured they were the GTP injectors.

Verify 4bar fuel pressure and that it's a non-referenced fuel pressure regulator. Then input the fuel injector data found here:...

Had the effect we wanted. Are you able to back the throttle stop off? I'd like to see TPS voltage being close to 0.45V as possible.

That and IFR.