Splits vs. Singles - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 21 (permalink) Old 07-18-2007, 02:39 PM Thread Starter
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Splits vs. Singles

For anybody that has actually swapped out splits for some comparable size singles - What kind of changes did you notice, especially on the noise?

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post #2 of 21 (permalink) Old 07-18-2007, 03:16 PM
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Re: Splits vs. Singles

good question..im curious too.

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post #3 of 21 (permalink) Old 07-18-2007, 05:09 PM
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Re: Splits vs. Singles

Well, noise definitely went up but I kinda like the sound better. Sounds more "healthy" to me.

Mileage, in town and towing is definitely up, I think the Terminator helps with that as well. In town I barely have to touch the throttle.

Freeway mpg, I honestly haven't had the chance to do a *good* test.
Example: I got 18.5 on the splits crusing at about 72mph mixed with some in town (denver) driving.

I have ran interstate with the singles, but never a whole tank that slow, usually 75-80 at least.

I do know it got 15.5 pulling a 20' gooseneck (empty), and it maybe would have done 12 before. I possibly attribute that to the 2 stroke oil I'm running as well.
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post #4 of 21 (permalink) Old 07-18-2007, 11:12 PM
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Re: Splits vs. Singles

I'm thinking about getting some singles. But nothing to hot I do allot of towing and worried about egt's maybe something in the 40hp range or so. I like the idea of better fuel mileage also. Any suggestions?

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post #5 of 21 (permalink) Old 07-18-2007, 11:37 PM
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Re: Splits vs. Singles

If you're keeping a stock HPOP I would go with some 160cc stage 1 singles, or AC codes. (same thing AC's are just factory Int'l, 'Stage 1s' are reworked AA's from an aftermarket shop)

If you plan on twin HPOPs in the future you can go a little more fuel, like 180-195cc and if you keep a stock nozzle it's not too hot on a good tow burn.
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post #6 of 21 (permalink) Old 07-19-2007, 02:11 AM
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Re: Splits vs. Singles

Quote:
Originally Posted by sniperonhigh View Post
For anybody that has actually swapped out splits for some comparable size singles - What kind of changes did you notice, especially on the noise?
Ive noticed with the larger turbo my mileage dropped considerably. I was averaging 17+- with AB's and stock turbo, now its anywhere between 13-14 mpg. My big b codes also average 13-14 with the big turbo.

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post #7 of 21 (permalink) Old 07-23-2007, 06:47 PM
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Re: Splits vs. Singles

well, swapped stage 1 singles for a temporary use of stage 2 splits. fuel mileage went way down and power went down as well. this is all with the use of a terminator. Cant wait for the singles to get back!

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post #8 of 21 (permalink) Old 07-23-2007, 11:53 PM
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Re: Splits vs. Singles

I would say about the same for mine... switched from AD's to stage 2's... didnt knotice any change in fuel stops...

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post #9 of 21 (permalink) Old 07-25-2007, 03:15 AM
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Re: Splits vs. Singles

singles are noisy and no change in fuel economy.


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post #10 of 21 (permalink) Old 07-26-2007, 03:19 AM
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Re: Splits vs. Singles

Quote:
Originally Posted by VanAackenBrosRacing View Post
well, swapped stage 1 singles for a temporary use of stage 2 splits. fuel mileage went way down and power went down as well. this is all with the use of a terminator. Cant wait for the singles to get back!
What kind of MPG are you getting with the hypermax stage 2 injectors?

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