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10-25-2009, 05:17 PM
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#1 (permalink)
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Premium Member
Join Date: Jul 2008
Location: So Cal
Posts: 917
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Dual Battery Set Up
A few people had asked me about my dual battery set up on my FXR so I thought I would post it.
Shows my oil bag w/vent and check valve and a Harley battery in front, Odessey 680 in rear in an extra battery box that we put in.. Also placed some aluminum between the oil and the front battery as a heat barrier. Works great...
__________________
FORMER STREET RACER
MULTIPLE HARLEY RACE WINNER
8 TIME DYNO SHOOTOUT WINNER
2 TIME BEST OF SHOW WINNER
MEMBER: S&S 9 SECOND CLUB-CREATED FOR STREET RIDDEN HARLEYS THAT CAN RUN 9 SECONDS OR QUICKER IN THE QUARTER MILE.
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10-25-2009, 08:46 PM
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#2 (permalink)
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Premium Member
Join Date: May 2009
Location: wisconsin
Posts: 274
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Reminds me of my personal bike, PURPOSE built 
__________________
"The only thing some people understand is an ass whoopin"
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10-25-2009, 10:04 PM
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#3 (permalink)
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Seasoned Rider
Join Date: Oct 2009
Location: Monrovia, CA
Posts: 42
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How many cubic inches you trying to spin with the starter or what kind of electrical draw requires 2 batteries?
Just tryin' to understand...
__________________
Everyone wants to go to heaven,
Nobody wants to go now...
1987 FXRS-SP
.005" over 80-Inch, Andrews EV27 Cam
S&S "E" Carb - Ultima Single Fire Ignition
Manley Stainless Steel Valves & Crower Springs
Ultima Single-Fire Ignition
2-into-1 pipe (might be an LSR)
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10-25-2009, 10:59 PM
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#4 (permalink)
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Premium Member
Join Date: Jul 2008
Location: So Cal
Posts: 917
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Quote:
Originally Posted by LADave
How many cubic inches you trying to spin with the starter or what kind of electrical draw requires 2 batteries?
Just tryin' to understand...
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It's for a 126", but I use the same set up on my race bike as well.
A little bit overkill for my street bike but I like to take all the starting issues out of the equation. Never want to be that guy who can't get the big inch bike started. Spins over instantly like a 80"er-Just some insurance for those hot California days...
__________________
FORMER STREET RACER
MULTIPLE HARLEY RACE WINNER
8 TIME DYNO SHOOTOUT WINNER
2 TIME BEST OF SHOW WINNER
MEMBER: S&S 9 SECOND CLUB-CREATED FOR STREET RIDDEN HARLEYS THAT CAN RUN 9 SECONDS OR QUICKER IN THE QUARTER MILE.
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10-25-2009, 11:52 PM
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#5 (permalink)
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What's the speed of dark?
Join Date: Sep 2007
Location: NW Florida
Posts: 473
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Had to do the same thing on my 124" TC-B except my 2nd battery was in the saddlebag.
But I hated having to do that after reading of so many 124" builds that started up just like a stock motor...
Maybe on this next go-round things will be different.
__________________
ENTIRE BIKE CURRENTLY IN MANY, MANY ZIP-LOC BAGGIES
HD Engine cases
SSW+ Heads
Zippers 54mm TB
DTT 6.0 Injectors
RB Racing LSR Pro Stock 2-1
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10-26-2009, 06:31 AM
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#6 (permalink)
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Seasoned Rider
Join Date: Oct 2009
Location: Monrovia, CA
Posts: 42
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Quote:
Originally Posted by pwmorris
It's for a 126", but I use the same set up on my race bike as well.
A little bit overkill for my street bike but I like to take all the starting issues out of the equation. Never want to be that guy who can't get the big inch bike started. Spins over instantly like a 80"er-Just some insurance for those hot California days...
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Well, that explains it. Yeah, with 126" engine, I can see a need. Thanks...
I got a buddy in Florida runnin' about the same size engine in a Dyna, Now ya got me wonderin' how he's startin' it...
__________________
Everyone wants to go to heaven,
Nobody wants to go now...
1987 FXRS-SP
.005" over 80-Inch, Andrews EV27 Cam
S&S "E" Carb - Ultima Single Fire Ignition
Manley Stainless Steel Valves & Crower Springs
Ultima Single-Fire Ignition
2-into-1 pipe (might be an LSR)
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10-26-2009, 08:28 AM
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#7 (permalink)
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IronButt
Join Date: Jul 2009
Location: North East
Posts: 112
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Paul, do you run this dual battery setup in lieu of compression releases or in addition to? If the former, do you have your heads dual plugged as well?
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10-26-2009, 08:50 AM
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#8 (permalink)
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Iron Will
Join Date: Dec 2003
Location: Munnsville NY
Posts: 4,361
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Paul,
On our AHDRA racer, we used to run an 18V Terrorist Battery, which was a total loss system(no charging system) to insure 12V min, for the 4 plug ignition system, on the big side of the track.
Used to use 2 12V 1000 cca Interstates hooked togather(starter cart) to make 24V, to drive the 7 hp Hitachi hand-held starter, to fire the 17.25 cr, 108" engine.
In that application, those batteries HAD to be kept at a FULL charged level or else.........
Scott
__________________
"If a street Harley doesn't have torque, how much horsepower it makes, simply does not matter."
"Treat your dogs with respect, keep your traps oiled and checked, and Beechnut is the tabacco to chew." The Renn, date unknown.
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10-26-2009, 10:28 AM
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#9 (permalink)
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Seasoned Rider
Join Date: Oct 2009
Location: Monrovia, CA
Posts: 42
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Quote:
Originally Posted by Knighty-Knight
Paul, do you run this dual battery setup in lieu of compression releases or in addition to? If the former, do you have your heads dual plugged as well?
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Same questions I'm having here...
__________________
Everyone wants to go to heaven,
Nobody wants to go now...
1987 FXRS-SP
.005" over 80-Inch, Andrews EV27 Cam
S&S "E" Carb - Ultima Single Fire Ignition
Manley Stainless Steel Valves & Crower Springs
Ultima Single-Fire Ignition
2-into-1 pipe (might be an LSR)
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10-26-2009, 12:02 PM
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#10 (permalink)
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Premium Member
Join Date: Jul 2008
Location: So Cal
Posts: 917
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Quote:
Originally Posted by LADave
Same questions I'm having here...
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No, I have electronic S&S releases but if you read posts on other threads about this, you will see that some big inch engines still have hot start/restart issues sometimes. This just set up just takes this out of the equation-confidence at every turn of the key. Now if I ever get around to getting the EZ start cams, I will remove a battery and save some weight...
__________________
FORMER STREET RACER
MULTIPLE HARLEY RACE WINNER
8 TIME DYNO SHOOTOUT WINNER
2 TIME BEST OF SHOW WINNER
MEMBER: S&S 9 SECOND CLUB-CREATED FOR STREET RIDDEN HARLEYS THAT CAN RUN 9 SECONDS OR QUICKER IN THE QUARTER MILE.
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10-26-2009, 12:46 PM
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#11 (permalink)
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Iron Will
Join Date: Dec 2003
Location: Munnsville NY
Posts: 4,361
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Charlie Hadayia Sr., from S&S, was here last Thursday, and had some of those cams for display. Centrifigal force operates them as he alerted us.
Scott
__________________
"If a street Harley doesn't have torque, how much horsepower it makes, simply does not matter."
"Treat your dogs with respect, keep your traps oiled and checked, and Beechnut is the tabacco to chew." The Renn, date unknown.
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10-26-2009, 01:15 PM
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#12 (permalink)
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Premium Member
Join Date: May 2009
Location: wisconsin
Posts: 274
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Quote:
Originally Posted by Hillside
Charlie Hadayia Sr., from S&S, was here last Thursday, and had some of those cams for display. Centrifigal force operates them as he alerted us.
Scott |
Charlie is a good man. He helped a friend of mine in Sturgis this year who is going on his 4th S&S evo motor. Can't stop yanking studs on the dern things....Has a new motor on the way
__________________
"The only thing some people understand is an ass whoopin"
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