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-   -   for the high hp guys! (http://legacygt.com/forums/showthread.php?t=197687)

super-roo17 12-08-2012 07:58 AM

for the high hp guys!
 
im looking to upgrade the LGT to significant power 300-350. but i want to keep the mpg's around the 18-20 area. with the realization im going to loose a few miles to the gallon. im looking to see what people with 300+ hp get for mpg's!

doccrowley 12-08-2012 08:01 AM

13mpg E85 having fun, 20mpg e85 freeway cruise control at 63mph. I prefer 13mpg's :)

super-roo17 12-08-2012 08:18 AM

Quote:

Originally Posted by doccrowley (Post 4192215)
13mpg E85 having fun, 20mpg e85 freeway cruise control at 63mph. I prefer 13mpg's :)

What are you running for hp?

DamienC 12-08-2012 08:57 AM

Im running at 320hp and getting 13mpg on a good day. Which is 197 miles on a full tank basically....

Why bother with fuel economy :-p

06silvarubiLGT 12-08-2012 09:07 AM

Quote:

Originally Posted by DamienC (Post 4192257)
Im running at 320hp and getting 13mpg on a good day. Which is 197 miles on a full tank basically....

Why bother with fuel economy :-p

Yea economy and HP usually dont come hand in hand.. PM Frank_ster and go PROPANE!!:spin:

super-roo17 12-08-2012 09:26 AM

Do you guys have the Cobb Tunning access port? If you do have you tried the mpg saver mode and is it what they make it out to be?

Nrw 12-08-2012 09:31 AM

Miles per gallon is overrated.

Smiles per gallon is all one should worry about.

bigleben 12-08-2012 09:32 AM

Ive tried the OTS economy map and it didn't change much. Honestly, a good tune with a highway cruising speed below 3k is the way to go.

Otherwise everything is in the right foot control. Hard to acheive but once mastered, you can see fuel "economy".

DamienC 12-08-2012 09:37 AM

Quote:

Originally Posted by Nrw (Post 4192295)
Miles per gallon is overrated.

Smiles per gallon is all one should worry about.


Smiles per gallon! Love it!

Propane conversion is difficult to come by here in ireland, not many places give access for LPG vehicles.... :-/

I'd save a fortune!

super-roo17 12-08-2012 09:38 AM

What point did any one notice the mpg dramatically change? 275 250?

DamienC 12-08-2012 09:39 AM

or a 6th gear would help also

super-roo17 12-08-2012 09:46 AM

Right? No kidding.. I just dpnt have the ambition to make that change lol

bigjweb 12-08-2012 09:47 AM

There is a thread for this

Strizzy 12-08-2012 09:51 AM

On 100oct, I was getting about 26-28 MPGs. That was with 429whp.

DamienC 12-08-2012 09:54 AM

wow, Strizzy, what you packin under the hood?


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