Ram air done, complete, tested. Lots of pics (not 56k) - Page 6 - 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 03-25-2004, 11:30 PM   #51
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Hey thanks Silver, I'll get 5 feet for this little project here, and figure one foot to help move my CAI box over.

I'm looking at your pic here and wondering how you mounted it, or didn't you. looks pretty tight like the duct just sits there.
That'* right, it'* such a tight fit that it is self supporting, which is nice. It'* rock solid. The ducting is the kind with the spiral wire reinforcing but I think even the standard hose would work fine. The aluminum 90 is standard from the hardware store ($5). I just squashed it oval.

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Forgive my ignorance, but what'* with the air filter on the front valve cover?
It'* more for looks than anything else, but I suppose it allows the engine to vent excess pressure and probably defeats the Positive Crankcase Ventilation system.
I have run this type of filter on my Firebird for 25 years with no problems.
Ordered it from ZZPerformance. It'* a direct replacement for the stock screwed in oil filler cap. It'* a perfect match to my air filter and EGR bypass filter.
Details, details, details.
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Old 03-26-2004, 12:30 AM   #52
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Those Oil cap breathers are actually almost required on older v8'*. That'* how they kept pressure right. Makes you wonder why they went to the PCV, doesn't do it any better...
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Old 03-26-2004, 12:43 AM   #53
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Hmmm. I have an idea for heat extraction on the SC for you will, if you are interested I can draw it up in mspaint and email it to you. Looks like the system you have there is working pretty well. Anywhere you mount it you are going to have bugs. Like Will said the ram air only comes into play at high speeds when the air is REALLY moving. When you redline the engine in first gear that ram air wont be doing anything. I think I remember reading that ramair really only has a big effect at 100mph+. I honestly doubt you can feed it enough air to satisfy the boost you are getting on that thing, but I could be wrong pretty easily.
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Old 03-26-2004, 12:58 AM   #54
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Like Will said the ram air only comes into play at high speeds when the air is REALLY moving. When you redline the engine in first gear that ram air wont be doing anything. I think I remember reading that ramair really only has a big effect at 100mph+. I honestly doubt you can feed it enough air to satisfy the boost you are getting on that thing, but I could be wrong pretty easily.
These "Ram Air" set-ups are only really cooling the intake air, not pressurizing anything. Just enough so no hot engine bay air enters the engine. Far from a sealed ram air set-up. It works well even at city driving speeds.

The Ram air on my Firebird is different. Those ducts feed a sealed air box. Very noticeable at highway speeds.
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Old 03-26-2004, 01:34 AM   #55
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Quote:
Originally Posted by macho_mike21
Hmmm. I have an idea for heat extraction on the SC for you will, if you are interested I can draw it up in mspaint and email it to you. Looks like the system you have there is working pretty well. Anywhere you mount it you are going to have bugs. Like Will said the ram air only comes into play at high speeds when the air is REALLY moving. When you redline the engine in first gear that ram air wont be doing anything. I think I remember reading that ramair really only has a big effect at 100mph+. I honestly doubt you can feed it enough air to satisfy the boost you are getting on that thing, but I could be wrong pretty easily.
Send it my way, Mike. BTW, if you read my data again, you'll see the cooling is quite effective as low as 30mph.
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Old 03-26-2004, 11:23 PM   #56
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what do you have your passenger duct cooling? Is it just the SC or is it the TB too? What I am thinking of would only affect the SC really. Doing the TB would be tricky. I need a pic of an L67 w/o an engine cover, can anyone help me out here? Another thing you could try will is to wrap your exhaust manifolds.
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Old 03-27-2004, 02:47 AM   #57
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Passenger side is cooling the SC and TB together. And quite effectively. My next hurdle is heat extraction, and I think I know how I'm going to do it for now.

My heat concerns over 30 mph (most of my driving every day) are over. This did it.
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Old 05-05-2006, 05:03 PM   #58
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good job dude that is probable the best home made update on this system you ought to be proud of yourself for that you inspire alot of people man at least me
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Old 05-05-2006, 05:14 PM   #59
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Originally Posted by N/A WHITE BOY
good job dude that is probable the best home made update on this system you ought to be proud of yourself for that you inspire alot of people man at least me

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Old 05-05-2006, 05:21 PM   #60
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Please stop digging up old threads.
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