8.1/alli fuel econimy

any one have any econimy tunes for an 01 8.1/alli?All new at this but learning,want to compare files.thanks

I am going to be working on some for my 454 soon, not the same, but similar... Once I get going on it I will keep you posted....

What do you get for fuel economy now?

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Originally Posted by N0DIH

What do you get for fuel economy now?

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i am getting about 13.5 empty @65mph. not bad huh but I think it can be better.

I have mileage/performance tune available for an 01' 8.1L.

I am getting around 12 flat with E85 highway @ 65mph. So I am guesstimating around 15 with gas. Mine's a 3.73 454 99 Sububran.

A friend of mine is picking up a 03 Avanlanche 2500 (8100 is only engine available in 2500), I'll be tuning it to see how well we can do.

I'd be interested to see your results with the 8.1

Any update on this?

Im trying to learn to tune my 8.1 also..

My friend just got a 8.1 Avalanche we have done some small things so far, will keep you posted as we get data on it.... If you don't hear from me in a while, reply to this post so I get the email...