Originally Posted by fast68plymouth
An observation........

The VE numbers look way too high.

And......

It’s using too much fuel for that amount of power.

When the air turbine shows too much air flow it makes the a/r ratio look lean.
I suspect the jetting decisions were based on looking at the a/f ratio numbers(as opposed to tuning for power)...... which I believe would have been erroneous.

Put an A/F gauge in the car........ I think it will confirm it’s rich.

IF...... the air flow numbers are correct....... you’re just blowing the air(and fuel) right through the motor without getting any work out of it.


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Its all set up now with a afr,driveshaft rpm,ect , data on a Data logger


1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5