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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 10-12-2006, 08:54 PM   #1
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It now has angled primaries just in case you wanted to know:
http://www.zzperformance.com/grand_p...ts1.php?id=208
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Old 10-12-2006, 09:23 PM   #2
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That does look a little more tempting...
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Old 10-12-2006, 10:28 PM   #3
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It'* possible the 'feedback' had the desired effect.
Much better. Nearly as much angle as the S1 manifolds.
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Old 10-12-2006, 10:58 PM   #4
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IIRC, didn't willwren say that the addition of the powerlog caused the front bank to run lean or something like that? Has that be resolved yet? I didn't see anything on that website about that issue.
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Old 10-13-2006, 07:14 AM   #5
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Quote:
Originally Posted by fuelforthesoul1999
IIRC, didn't willwren say that the addition of the powerlog caused the front bank to run lean or something like that? Has that be resolved yet? I didn't see anything on that website about that issue.
From what I have read If you get a power log you should skew the fuel 1-2% over to the front since there is a imbalance. some have not needed it others have.
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Old 10-13-2006, 09:44 AM   #6
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Quote:
Originally Posted by OLDsman105
From what I have read If you get a power log you should skew the fuel 1-2% over to the front since there is a imbalance. some have not needed it others have.
Yeah pretty much. You'll get a noticeable gain from it but you can take it ever further by adjusting the fueling for the front bank.
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Old 10-13-2006, 10:50 AM   #7
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Thats just if u run a powerlog in the front though i assuming?
The rear ported should keep up as it is already a tube style correct?
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Old 10-13-2006, 10:59 AM   #8
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In my experience with ported manis.. There is some cleanup that happens in the rear mani..but it'* very little.

I can't see the rear or crossover actually gaining much flow from the porting.
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Old 10-13-2006, 02:46 PM   #9
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Quote:
Originally Posted by SSEimatt93
Thats just if u run a powerlog in the front though i assuming?
The rear ported should keep up as it is already a tube style correct?
No that is still with the ported rear maniolfd. If t was unported it would be even worse.
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Old 10-13-2006, 02:59 PM   #10
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That is much nicer!

This makes me wonder if it'* possible or sensible to attempt a rear powerlog style product to balance the flow better front-to-rear.

The pricing is certainly attractive when compared to headers.
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