Need Some Help Tuning My Car

[DoubleR]

Hey guys. Got a 2019 Mustang GT 10R80 car. It currently has Kooks long tube headers with green cats, Cobra Jet Intake with a VMP Twin Jet 69MM TB & Steeda CAI, and running on MS 109.

To make a long story short, I took some data out there for VMP Twin Jet 67MM and made it work for my car. The car runs pretty decent and does not have any wheel torque errors. She made 459RWHP on my dyno thus far.

The issues I am having is the cold start is choppy and I get her to get any more than 29* advance on top end. Timing peaks at 29* around 6200 rpms and that is where the power curve peaks stops rising.

I will be honest and say I need some help tuning this thing. I want to get a little timing in up top and improve the cold start characteristics.

If anyone has the time and is willing to help, send me a private message. DYNO RUN.png

[nhra747]

Can you post a log (wot pull)
And also tune

[GTSSTANG]

Did you ever get this sorted out?

[ghostofnyc]

Can you post a log (wot pull)
And also tune

This

[paulsmithsr]

any info on this

[DoubleR]

Bringing this thread back up to life. Anyone have any good throttle body data on this throttle body?

What I have works OK, but not perfect.

I have had one fella on this forum that I have worked with here but ended hitting a dead end.

[engineermike]

What’s the spark source when it hits the limit?

[Thatwhite5.0]

Post your tune and datalog or send a message..

[DoubleR]

Spark is not the issue. Part throttle transitions and idle surges are the issues.

Idle issue is likely the weak airflow around the MAF at idle with a Steeda intake. However the part throttle transitions issues likely is the throttle body data.