95" jetting
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95" jetting - 9/25/2007 1:21:59 AM
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citationdoc
Posts: 4
Joined: 9/25/2007
Status: offline
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I'm installing a 95" kit on my bike (2002 FLSTC) and a Super E. Heads and cams are still stock, for now. Any jetting recommendations for starting out?
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RE: 95" jetting - 9/25/2007 6:31:37 AM
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mentor70
Posts: 1074
Joined: 12/24/2006
From: Diamond Bar, California
Status: offline
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go one step richer on the main jet to start.
My engine is alot more effiecent than it was before when it was a 88, suprising its using the same jetting as before!
_____________________________
HQ 95 ci, .575 Firestorm cams
DTT ignition
Stage eleventeen HVP heads.
10.2 to 1 comp.
Miknui 42mm
D&D fat cat
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RE: 95" jetting - 9/25/2007 9:13:54 AM
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ReeseSS
Posts: 299
Joined: 5/26/2006
Status: offline
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Mentor,
If you are not altering your fuel to air ratio, it does not matter if it is more cubes, it is just pulling in more of the already correct air/fuel mixture.
Citation, check S&S web site tech section for carb settings
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RE: 95" jetting - 9/25/2007 10:40:01 AM
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citationdoc
Posts: 4
Joined: 9/25/2007
Status: offline
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That makes sense. I was still using the CV carb when I started tearing things down, so the E will be run for the first time. I guess I will try 1 size richer on each jet than what the carb came with, since it should be set for an 88".
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RE: 95" jetting - 9/25/2007 6:24:01 PM
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mentor70
Posts: 1074
Joined: 12/24/2006
From: Diamond Bar, California
Status: offline
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quote:
ORIGINAL: ReeseSS
Mentor,
If you are not altering your fuel to air ratio, it does not matter if it is more cubes, it is just pulling in more of the already correct air/fuel mixture.
Citation, check S&S web site tech section for carb settings
??? I think i know what your saying, Its just set up rather auckwardly.
If an engine is able to move more air thought it, it will require more fuel to make the proper A/F for that engine.
You will use more fuel with a bigger engine, but the timming changes and ambient tempuratures will change the requirements of engines AF ratio. you can have the same 95 in engine, and lower the compresion, and advance the timming it will use more fuel, you can change exhuasts on HDs and it will alter fuel reguirments. on a 100 deg day my bike will run like a banshee with a 150 main but, on a 80 deg day shell ping like hell untill she gets a 155 main.
so, you can have an optuim A/F on one engine and tear it down put it back together, and have acomplete different animal. you just have to get the engine what it wants.
I just wanted to recomend to citationdoc to start rich and lean his way into proper jetting.
< Message edited by mentor70 -- 9/26/2007 6:29:51 AM >
_____________________________
HQ 95 ci, .575 Firestorm cams
DTT ignition
Stage eleventeen HVP heads.
10.2 to 1 comp.
Miknui 42mm
D&D fat cat
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