propane (1 Viewer)

[Mace]

Eldebrock and holley use the same O2 sensor. They basically have the same accuracy. Untill you go to a wide band O2 sensor and display (~ $500 or so) all of the equipment is the same..

A single wire O2 sensor is about $20 or so. And you can get a digital bar O2 display for ~$40
Then it is just taking the truck out and driving it around... Pretty simple.

If you do not want to spend that much get the O2 sensor and use a multimeter (on voltage) to check the voltage that the O2 sensor is providing. Just as accurate but harder to erad while going 60 up a hill

My wastegate never opens. It does not need to with the T04. I never build up enough pressure to worry about it..

 

[Brian in Oregon]

The O2 sensor may have the same accuracy (as it should, being the same sensor), but the meter itself is the big difference. The Holley simply has three LEDs - Rich, Normal and Lean. The Edelbrock is calibrated by steps in actual air:fuel ratio with several LEDs. Thus the Edelbrock is much more useful for tuning.

And yes, you can use your own voltmeter, but you have to know what the baseline is to compare what voltage equals what air:fuel ratio. I suppose some time spent Googling would eventually turn that up.

 

[bustanutley]

I was thinking of using a t03 which should lead to less boost but faster to spool, that would be cool if I could get away without a waste gate. Are you using a blow off valve mace?

Thanks for the info on the o2 sensors, for some reason I was thinking that it was a more complicated system, 3 LEDs sounds just my speed

 

[Mace]

The Meter I have in my rig is actually hard mounted. You can find them at Summit or Jegs for like $30..
I would HATE to use a three led system to gauge things. The bar graph style is much nicer.

I am not using a blow off valve. No need to in a draw through system.. The waste gate is basiaclly any one available. In cab tuning would be cool tho.. YOu want a T03 flange that is designed to adapt to a 2.5" exhaust tubing?? Now that I am doing the 302 I don't need it.

An O2 sensor generates voltage from 0 to 1.0 volts you aim for ~ .5. It really is that simple..

Wide band O2 sensors are a different story. They are much more expensive but tell a heck of a lot more about what is going on.


It is all fun stuff