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Switching to power duals from Gutted 2 into 1 - new tune?

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Old Aug 3, 2010 | 10:11 AM
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Default Switching to power duals from Gutted 2 into 1 - new tune?

I'm switching to V&H power duals and the new 4" Rineharts on Friday. Currently I have it tuned with my 2 into 1 pipe w/o cat and Jackpot Powertube.

Anyone venture to guess if this will mess my tune up enough to make it run like crap?

2k miles in the next week planned

Currently have the 255 cams, SE Intake, PCV
 

Last edited by SDVmnt; Aug 3, 2010 at 10:22 AM.
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Old Aug 3, 2010 | 10:26 AM
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If it were me, I'd want it re-tuned. If you got your PCV from FuelMoto, you might call them, describe your new set up and see if they have an appropriate map. Otherwise, check out the Power Commander website and see if any of the maps in their database is the right one
 
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Old Aug 3, 2010 | 10:28 AM
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Fuelmoto doesn't have any maps for the 255 cams. I'm hoping it won't flow much more than the stock 2 into 1 w/o the cat. It was essentially an open header, powertube is wide open too.

I know a few others on here have gone the Power Dual, Rinehart route from 2 into 1 recently.
 
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Old Aug 3, 2010 | 11:06 AM
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Who knows? It may run o.k. But you're changing the air flow. I'd have it re-tuned to get the full potential of your set up.
 
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Old Aug 3, 2010 | 11:17 AM
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Originally Posted by SDVmnt
I'm switching to V&H power duals and the new 4" Rineharts on Friday. Currently I have it tuned with my 2 into 1 pipe w/o cat and Jackpot Powertube.

Anyone venture to guess if this will mess my tune up enough to make it run like crap?

2k miles in the next week planned

Currently have the 255 cams, SE Intake, PCV
Your current map should be relatively close. Get the parts installed, take it for a ride and let me know how it runs. If you would like me to take a look at your map and make some revisions just let me know.
 
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Old Aug 3, 2010 | 01:09 PM
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Awesome, thanks Jamie!
 
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Old Aug 3, 2010 | 03:01 PM
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must have already had your power duals, I ordered mine 2 weeks ago and their still on back order Iv called three local Dealers in my area no one can get them until atleast Aug 9th
 

Last edited by Called2Duty; Aug 3, 2010 at 03:02 PM. Reason: mis spelling
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Old Aug 3, 2010 | 05:50 PM
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I ordered them through Eastern Performance. They had everything in stock at the time. Ordered last Tuesday.

Well almost everything. The left side bag mounting kit (rubber bushing/bracket/bolts) weren't in. Didn't realize this was what was holding the order up. Told them to just ship it and i'd get it locally. Those parts showed up that day so they sent them along.

GREAT place to work with by the way. they'll be on my short list from now on.
 
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