New front 'log' type mani for ser 2 - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 06-09-2006, 02:29 PM   #21
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I think you guys just missed the boat. How many cylinders does the front manifold have to take care of?

How many does the rear manifold have to take care of?

Why are we comparing the flow of front and rear? What is balanced? How can you?
If you want balance, you need to restrict the front again.

Flowbench data is one manifold at a time, but that'* not how the sytem really works.

Front manifold flows for 3 cylinders. Rear has to flow for all 6.
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Old 06-09-2006, 02:41 PM   #22
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Yes..with that said, how do we explain the difference in flow from S1 to S2 for both manifolds. Clearly S1 is much less restricted and an S2 with an opened up front manifold sees nice gains.
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Old 06-09-2006, 07:11 PM   #23
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Another thing I look at when I see this, the angles could have been better, but when you have said restriction on the front manifold, it ramps up the velocity. Those gases have to travel further than the rear mani..... That'* something that went through my mind on this situation...
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Old 09-18-2006, 07:39 AM   #24
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That tells me nothing. Everyone is talking about the Powerlog. But no one actually has a Powerlog in any of those discussions. I want some information from someone who has one. Thank you
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Old 09-18-2006, 09:36 AM   #25
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You're going to have to sit back and patiently wait, because nobody here has one.
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Old 09-18-2006, 04:28 PM   #26
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One of you cheap Bas!!rds buy one. So I don't have to be disappointed.
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Old 09-18-2006, 04:48 PM   #27
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Better yet Jimbo..

Buy one.. send it to me and I'll test it out thoroughly, gather scan data and tell you how the motor really adapts to it.
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Old 09-18-2006, 05:34 PM   #28
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It'* a new product. That'* why we are discussing it in Performance and Brainstorming. That'* the purpose of this room.

It'* a new product, so it will generate discussion, while peaking the interest of some that will want to try and test it.

If you are one who will only try out proven items and techniques, then set back a year or so or buy PEMS. Then be thankful that there are those here that will take your risks and chances for you and post the results here on BC and other forums.
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Old 09-18-2006, 05:36 PM   #29
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You buy one. If it works good I'll buy it from you. If it dosen't you keep it.
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Old 09-18-2006, 07:38 PM   #30
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I have ZZP'* front power log; installed it back in july. I noticed a difference in high rpm power and my exhaust tone got a little deeper, however fitment was a pain in the a$$. The oil dipstick doesnt fit well around it, and it appears that a very small area of it may rub up against the motor. It took about 1 and 1/2 hours to install. What i found amazing though was the difference in the tubes of the stock one and the powerlog. The powerlog inside is so much cleaner and ported alot better especially where it connects to the crossover pipe.
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