Well, I'll be down in late Aug. to early Sept. My kids live in Caldwell
(Near College Station), but I usually make it down to Sea World in San
Antonio when I'm there. I could easily bring the equipment with me. Let me
know!
-Doug
> -----Original Message-----
> From: Richard A Pyburn [SMTP:rap777@juno.com]
> Sent: Wednesday, July 12, 2000 1:56 PM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: Weekend Project Part 2 - Cold Air Temp
> findings.(long)
>
> Man, I love it when the serious engineers get involved. This reminds me
> of when Jon Steiger was driving down the road with bits of yarn taped to
> his hood so he could see the air flow patterns!
>
>
> Really good information, Doug. We need to get you down here to see how
> your results pan out in real heat!
> Thanksfor the good info. I appreciate it!
>
> Richard in San Antonio
>
>
>
> On Wed, 12 Jul 2000 09:10:26 -0400 "Greig, Doug" <douggr@hazelett.com>
> writes:
> > I performed my little experiment last night on cold air setups on my
> > truck.
> > I wanted to compare intake/filter temps with various setups. I
> > tested four
> > different setups.
> >
> > 1. Stock Intake with K&N drop in filter
> > 2. Quick D Intake
> > 3. Quick D with rubber barrier next to radiator removed
> > 4. Quick D wrapped in heat reflective tape, rubber rem.,homemade
> > cold-air
> > dam with engine side covered in heat reflective tape.
> >
> > Test Equipment = Three type E thermocouples mounted in the engine
> > bay.
> > Signal wires run into the cab connected to three TC hand held
> > readouts. TC's
> > mounted ...
> >
> > A=. Engine Bay Temp=mounted next to oil dipstick with wire tie
> > B=.Air Filter Temp=mounted on the airfilter, on side closest to
> > engine/inside barrier
> > C=.Throttle Body Temp=suspended inside airhat directly in path of
> > incoming
> > air.
> >
> > Ambient temp was 74 deg F, low humidity. For each test I ran down
> > the
> > highway 10 miles up and 10 back @ 70 mph, and 5 miles of stop and go
> > traffic.Here are the results....
> >
> > Setup #1 Highway City
> >
> > TC = A 110-117 F 125-140 F
> > TC = B 90-110 F 115-130 F
> > TC = C 110-117 F 125-140 F
> >
> > Setup#2
> >
> > TC = A 110-117 F 125-140 F
> > TC = B 110-117 F 125-140 F
> > TC = C 115-130 F 125-140F
> >
> > Setup #3 *biggest jump in gains
> >
> > TC = A 90-100 F 110-120 F
> > TC = B 72-78 F 100-110 F
> > TC = C 95-105 F 110-120 F
> >
> > Setup #4 *best for stop and go traffic
> >
> > TC = A 110-117 F 125-140 F note: TC mounted
> > in
> > between engine and heat barrier!
> > TC = B 72-78 F 85-95 F
> > TC = C 80-85 F 95-105 F
> >
> > Conclusions: The biggest single gain I saw was removing the rubber
> > barrier
> > next to the radiator. The next would have to be wrapping the Quick D
> > tube in
> > the heat reflective tape. I found this to keep tha air much cooler
> > up to the
> > TB. As far as the cold air barrier goes, it was only really
> > effective in
> > normal city driving(anything below 40mph) Anything above 40 mph, the
> > air
> > coming in from removing the rubber barrier cooled everything down.
> > This is
> > what I found out. I'm sure the readings are going to very depending
> > on
> > ambient temp, humidity, etc. The Quick D DEFINATELY worked to move
> > the air
> > through quicker, but I found the stainless tube to heat the air up
> > until I
> > covered it in heat reflective tape. After that, I found the TB temp
> > to be
> > fairly consistant. I want to perform this same experiment again, but
> > include
> > a G-Tech to figure out HP gains/losses at the same time. Hope this
> > helps. I
> > had fun doing it :-)
> >
> >
> > Doug Greig
> > Winooski VT
> > 98 CC 4X4 V6 Sport
> > Quick D Intake/ Homemade "Ambient" air setup
> > Mod'd V8 TB
> > Accel Coil/Wires
>
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