Ranger50 wrote: I have seen non-MDS 5.7 Hemi swaps into the older A/B/E bodies net 30 mpg with no real big hubbub.
Huh, I wonder what that would translate to in a 150 pickup?
Ranger50 wrote: I have seen non-MDS 5.7 Hemi swaps into the older A/B/E bodies net 30 mpg with no real big hubbub.
Huh, I wonder what that would translate to in a 150 pickup?
Grizz wrote:Ranger50 wrote: I have seen non-MDS 5.7 Hemi swaps into the older A/B/E bodies net 30 mpg with no real big hubbub.Huh, I wonder what that would translate to in a 150 pickup?
If you are talking adding another 1000 pounds, you would see, IMO here, about 22-23, maybe 25mpg. The current car/truck models all push well over 4000 pounds and get similar mileage.
Just an update....
Changed thermostat and speedo gear to something more believeable.
End result after the changes: 19.9mpg. 
The answer is always festiva.
That mpg sounds about right as far as what IVE gotten. It still doesnt get you back up to the lofty heights you achieved before, though. 
Another update:
Reran the compression test, just under 150psi and within an easy 5% on all holes.
But I did notice this after running the test:
And under the TB is rather damp. I be thinking the plenum gasket be broken.
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