New Exhaust, Less Performance?
Extreme HDF Member
Joined: Nov 2007
Posts: 14,670
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From: East of the Sun, West of the Moon
Steve @ Fullsac will likely also tell you the same thing I will say here. I don't think you're getting an adequate tune with the PCIII. There's only so much that can be done with that thing.
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Joined: Aug 2013
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From: Lafayette, LA
Yea, the bike shop said the same thing about that tuner. A new tuner may be in order as well.
Extreme HDF Member
Joined: Nov 2007
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From: East of the Sun, West of the Moon
was there a specific tuner that your Indy suggested over the PCIII?
Extreme HDF Member
Joined: Nov 2007
Posts: 14,670
Likes: 139
From: East of the Sun, West of the Moon
I agree but the PCV is also limited in what it can do, especially on a build such as yours. Instead of spending $ on a PC-V, I'd spend a few more $ and find a used Power Vision and get a license for it. PVs can be had for $100 - $150 used and another $200 for a license for it. So for $350 you have a tuning device that will carry you well into any future mods or new bikes.
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Joined: Jun 2012
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From: CT/FL
Whoever built your motor and tuned it did a good job balancing all the factors in the package. Now that you're changing one, you're killing it off... If Fullsac or the map that ke5rdb sent you don't work, you may have to change the cam - that's a pretty radical one, and the motor seems to have been built to take full advantage of it. You'll give up maximum power but will wind up with a more enjoyable bike. 103ci will put a grin on your face regardless.
SE-258 Cam Kit*-Screamin EagleŽ for Twin Cam 88Ž-equipped models.
These cams have been designed exclusively for use in high compression, larger displacement (1550 or greater) applications. Peak power in the higher RPM ranges yet still pulls well in the lower ranges. Works well in conjunction with forged pistons, Twin Cam 88Ž Performance Heads, and open intake and exhaust.
SE-258 Cam Kit*-Screamin EagleŽ for Twin Cam 88Ž-equipped models.
These cams have been designed exclusively for use in high compression, larger displacement (1550 or greater) applications. Peak power in the higher RPM ranges yet still pulls well in the lower ranges. Works well in conjunction with forged pistons, Twin Cam 88Ž Performance Heads, and open intake and exhaust.
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Joined: Aug 2013
Posts: 95
Likes: 6
From: Lafayette, LA
Whoever built your motor and tuned it did a good job balancing all the factors in the package. Now that you're changing one, you're killing it off... If Fullsac or the map that ke5rdb sent you don't work, you may have to change the cam - that's a pretty radical one, and the motor seems to have been built to take full advantage of it. You'll give up maximum power but will wind up with a more enjoyable bike. 103ci will put a grin on your face regardless.
SE-258 Cam Kit*-Screamin EagleŽ for Twin Cam 88Ž-equipped models.
These cams have been designed exclusively for use in high compression, larger displacement (1550 or greater) applications. Peak power in the higher RPM ranges yet still pulls well in the lower ranges. Works well in conjunction with forged pistons, Twin Cam 88Ž Performance Heads, and open intake and exhaust.
SE-258 Cam Kit*-Screamin EagleŽ for Twin Cam 88Ž-equipped models.
These cams have been designed exclusively for use in high compression, larger displacement (1550 or greater) applications. Peak power in the higher RPM ranges yet still pulls well in the lower ranges. Works well in conjunction with forged pistons, Twin Cam 88Ž Performance Heads, and open intake and exhaust.
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