FP3 rev and idle settings
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Outstanding HDF Member
Joined: Jun 2012
Posts: 2,586
Likes: 175
From: Los Lunas, NM
FP3 rev and idle settings
Hey all, I just installed the FP3 and feel it has been a great improvement. I have a few question for you all and hope I can get some sound advice about the rev limit and idle setting. I thought about lowering the idle and raising the rev limit a couple, say 200 rpms. Any potential problems, thoughts, concerns? I talked with Vance and Hines tech support and they feel a few hundred rpms shouldn't be a problem. But said they can't recommend a particular setting other than the base map. Thought I would shoot out the question for conversation and consideration sake. Thanks all!
Grand HDF Member
Joined: Sep 2010
Posts: 3,580
Likes: 215
From: Illinois
Stock thundermax maps are set at 894 (at least the ones for dynas and few baggers maps I dealt with). Saying that I still raised my idle to bout 955 and feels more at home there.
As far as the rev limit I would set it at 6200 w/o problems.
As far as the rev limit I would set it at 6200 w/o problems.
Road Captain
Joined: May 2008
Posts: 563
Likes: 0
From: NE FL
I've thought about adjusting those settings as well, I think next time I'm thinking about it I'll set my idle to 970 and move the rev limiter to 6,200. I've also been wanting to auto tune but have been scared off by the issues Apple devices were having.
Grand HDF Member
Joined: Sep 2010
Posts: 3,580
Likes: 215
From: Illinois
If you only have intake and exhaust it won't benefit anything from 6500. Besides the performance upgrades 6200 it a safe limit on a stock(untouched) harley crank. To go into the higher r's the bottom end should be beefed up (trued, welded, balanced crank, and better rods will allow u to rev the **** out of it w/o grenadine your motor.
Thread Starter
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Outstanding HDF Member
Joined: Jun 2012
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From: Los Lunas, NM
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Intermediate
Joined: Jul 2018
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From: ottawa
fp3 rpm's
So I installed mine today,took all of ten mins.Went for a ride and was like my bike must have been really out of tune,seriously to feel that much difference.
But I notice one thing after 20 mins or so,my rpm's are running a grand higher in all speeds ??? IS THIS THE SECRET SAUCE ,amazing results are because the engine running 1000 rpm higher and feels a shot of steroids?Anyone care to comment am I totally wrong?
But I notice one thing after 20 mins or so,my rpm's are running a grand higher in all speeds ??? IS THIS THE SECRET SAUCE ,amazing results are because the engine running 1000 rpm higher and feels a shot of steroids?Anyone care to comment am I totally wrong?
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So I installed mine today,took all of ten mins.Went for a ride and was like my bike must have been really out of tune,seriously to feel that much difference.
But I notice one thing after 20 mins or so,my rpm's are running a grand higher in all speeds ??? IS THIS THE SECRET SAUCE ,amazing results are because the engine running 1000 rpm higher and feels a shot of steroids?Anyone care to comment am I totally wrong?
But I notice one thing after 20 mins or so,my rpm's are running a grand higher in all speeds ??? IS THIS THE SECRET SAUCE ,amazing results are because the engine running 1000 rpm higher and feels a shot of steroids?Anyone care to comment am I totally wrong?
As delivered, HDs EFI maps are set way too lean, in order to comply with emissions laws.
A tuner will typically give you significantly more power, or move your peak power up or down the rev-range a bit. It does that by changing how much gas is mixed with the air, altering the spark advance curve, etc. They really do make the bike run much better. How it should run...
But a tuner can't change the revs your engine is doing compared to the speed you're traveling. Only being in a different gear, or having a slipping clutch (or doing a burnout
) will do that....
Last edited by Davdoodles; Jul 30, 2018 at 10:56 PM.