Why does a Holley Dominator need the correct throttle body? | Project C5 Corvette Z06

In our previous update, we regaled you with tails of our 2004 Corvette Z06 that ran great at the kickoff event of the SCCA ProSolo season–until it didn’t.

Reflashing our Holley Dominator’s tune seemingly solved the problem, so we were excited to load the car onto the trailer for our next event, this past weekend’s Tire Rack Red Hills …

Read the rest of the story

Reading the thread title almost gave me an aneurysm because to me Holley and Dominator is this:

Appleseed said:

Reading the thread title almost gave me an aneurysm because to me Holley and Dominator is this:

Where do you plug the tuning slide rule in?

In reply to JG Pasterjak :

Everywhere you see a + or a -

Interesting as I have used all those GM tb with at least the DBWX2 boxes and haven't really seen differences. Likely you had an early one from a TAC setup vs the later integrated ECU ones that Holley is expecting. Maybe it's just in bad shape causing a dbw fault intermittently, which with some systems are hard to clear out.

Appleseed said:

Reading the thread title almost gave me an aneurysm because to me Holley and Dominator is this:

Me too. 

Holley shouldn't be recycling  names, Chevy style. They should have called it the Eliminator.

Appleseed said:

Holley shouldn't be recycling  names, Chevy style. They should have called it the Eliminator.

This would have been epic. Missed opportunity.

So just for reference, were you running one of the earlier 90mm Gold blade units like #12605109 before?

deaconblue said:

So just for reference, were you running one of the earlier 90mm Gold blade units like #12605109 before?

Yeah the first pic of the TB in the story is the old one. 90mm gold blade top-rearward swing.