Yes, this is a POLL, and I could post it as such, but I wanted to encourage any additional info anyone might be inclined to offer. Hope we get lots of comeback on this, Im sure theres a lot of curiosity shared. Ive done lots of reading and all, Id just like to see results.

On a 2.7l in particular:

1) Gas mileage:
Better, Worse, no diff.
2) Performance increase (ie on long highway grades):
Better, worse, no diff.

Thanks guys. Dont wanna start carving things up for no reason.


'02 Taco 4x4 X-cab, joins my '68 Land Cruiser bought back in '70 which is still going strong.
Me at:
[url=http://redwoods-and-glaciers.spaces.live.com/