95" big bore mpg?

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Jan 29, 2011 | 06:32 PM

#11

krusty1

Elite HDF Member

Joined: Nov 2009

Posts: 3,886

Likes: 3

Amusing...concerned about mpg after spending (sometimes big bucks) to increase output and performance. Somewhat like buying a hemi charger, and wanting prius mpg.

Jan 29, 2011 | 06:43 PM

#12

Beav

Thread Starter

Road Warrior

Joined: Apr 2010

Posts: 1,832

Likes: 3

From: North Georgia

Quote:

Originally Posted by krusty1

Amusing...concerned about mpg after spending (sometimes big bucks) to increase output and performance. Somewhat like buying a hemi charger, and wanting prius mpg.

Aint necc so....
Haven't pulled the jugs yet, still gathering intell

Use the bike to commute, so yea...I thinks it's a valid Q.

If I understand my research right, a properly tuned higher performance engine will match or exceed a stock twin w/o a tune. Some of these reply's appear to validate such claims.
Just sayin'...

Beav

Jan 29, 2011 | 06:59 PM

#13

krusty1

Elite HDF Member

Joined: Nov 2009

Posts: 3,886

Likes: 3

Quote:

Originally Posted by Beav

Aint necc so....
Haven't pulled the jugs yet, still gathering intell

Beav

Yup, it's a valid question, within reason....just don't expect Honda 90 mileage. I have a fair number of bike riding coworkers who do! I tell them they shoulda bought a bus pass.

Jan 29, 2011 | 07:12 PM

#14

Stiggy

Seasoned HDF Member

Joined: Nov 2010

Posts: 17,548

Likes: 7,203

From: Oxford, Nc

Of all the different upgrades available: Head work, Cams, Exhaust etc...Nothing beats a displacement increase for the $$$ invested.

Jan 29, 2011 | 07:17 PM

#15

krusty1

Elite HDF Member

Joined: Nov 2009

Posts: 3,886

Likes: 3

I hope nobody is doing these mods for increased mpg...they're all about a reduction in time involved moving the same mass forward (excepting mods that eliminate EPA emissions control crap).

Jan 29, 2011 | 07:25 PM

#16

Stiggy

Seasoned HDF Member

Joined: Nov 2010

Posts: 17,548

Likes: 7,203

From: Oxford, Nc

I believe he just asked what our milage was...that's all.

Jan 29, 2011 | 07:43 PM

#17

2002flstc

Road Warrior

Joined: Oct 2007

Posts: 1,480

Likes: 25

From: Santa Fe NM

Andrews 26G cams... on a good day... 33 MPG

Can keep up with and eat some 96CI bikes...

Carbureted...!!!

Jan 29, 2011 | 07:55 PM

#18

monkey sammich

Road Master

Joined: Jan 2011

Posts: 755

Likes: 5

From: Tallahassee, FL/Blue Ridge, GA

Quote:

Originally Posted by krusty1

I hope nobody is doing these mods for increased mpg...they're all about a reduction in time involved moving the same mass forward (excepting mods that eliminate EPA emissions control crap).

But if you get horrible mileage and have a 5ish gallon tank and are traveling in a group of long-haul riders, having to stop every 100-125 miles (or even less) can make you unpopular with your group.

We had a guy with a Sporty 1200 who traveled with us once. His gas stops every 80-90 miles did nothing to endear him to many rider in the group.

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Jan 29, 2011 | 08:03 PM

#19

harleydavis

Outstanding HDF Member

Joined: May 2009

Posts: 2,932

Likes: 32

From: Broomfield, CO

I get about 38-40 mpg around town and 47-48 mpg on long trips. As others have said, it depends on how you twist the throttle. My bike specs are below my sig picture.

Jan 29, 2011 | 08:23 PM

#20

dyna rider

Club Member

Joined: Dec 2007

Posts: 4,192

Likes: 168

From: Knoxville, Tn

Mileage

Stock my bike got 49.9 MPG...first round of mods included 211 cams, HC pistons, big bore cylinders ( 95") and SERT..the bike got 45MPG. Latest mods include new S.E. CNC heads, S&S 585 gear drive cams, HTCC pistons, and Thundermax tuner. I get 40-42 if I stay out of it and probably 35 if I don't.

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