Grand Sport Artical
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Tuna
Click
to enlarge
Before Install
After Install
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Looks Awesome and 100% Functional Get Your Big Mouth Today
The
Reverse Grand Sport is mine
- the Tuna Sport.
I
installed the Big Mouth this
past weekend and it works as
advertised. I'm seeing 4-7 degrees
cooler water and oil temps already
after it's fully warmed up.
The installation took about
an hour to complete - I didn't
rush anything and I replaced
the center spoiler section while
I was under there.
Distance
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Outside
temp
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Oil
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Coolant
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Speed
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Before
Big mouth Install
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Start
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92
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195
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185
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70
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Wasn't
fully warmed up
yet!
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13
miles
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93
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203
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188
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70
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19
miles
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91
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204
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188
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70
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32
miles
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93
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208
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189
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70
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37
miles
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91
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206
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186
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55
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42
miles
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92
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201
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182
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70
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52.5
miles
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91
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204
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188
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Exit
Ramp
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After
Big mouth Install
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Start
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94
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204
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188
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70
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13
miles
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96
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204
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185
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70
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19
miles
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95
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204
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185
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70
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32
miles
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95
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204
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182
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70
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37
miles
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94
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204
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184
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55
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42
miles
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94
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201
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180
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70
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52.5
miles
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93
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204
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182
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Exit
Ramp
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From
start to the 37
mile point, I was
cruising at 70.
From 37 to
42 miles, the speed
was dropped to 55.
From 42 to
52.5, the speed
was back up to 70.
Most
of both trips were
on cruise control
at those speeds
with only a couple
of tweaks above
and below each way
to adjust for traffic
(some trucks just
will not get out
of the way!).
I
think oil temps
in the 201 plus
arena ought to be
okay.
This
was a 2-way run
on I-40 so I could
try to negate the
effect of the OK
wind as I was check
gas mileage also.
BTW, the computer
came up with the
same 30.3 mpg on
both trips. This
would seem to indicate
that the Big Mouth
has little effect
on drag/wind resistance.
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I have the A&A kit with a Be cool radiator/stock fans/160 deg thermo on my
car.... it ran hot all the time... recovery time's after WOT runs totally
sucked...
NOW, I am running the front screen unit that takes the place
of the license plate cover. I am also using the Big mouth Air Dam underneath my
car which scoops cold air from below and directs it IN BETWEEN the radiator and
condenser... NOW, The face of my radiator gets a big blast of COLD air that
didnt go through my intercooler and AC condenser. My temps dropped 30/40 deg
across the board as a result. Recovery times from WOT runs are fantastic...
Big mouth air dam can be found here.... http://www.c4orcecorvette.com/store.htm
Buy both... put them on... end of all the
problems... ching.. ching... |
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Well
I don't see how it could possibly suck up more debri. For one, it's a smaller
opening. Two, it's pointed forward and not down towards the road debri.
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Thats what keeps it from sucking up
things... Last time I looked, I had ZERO debris in my rad area... I have been
running this unit for over 1000 miles now... long trips and road course time
too...
VR
Super easy install love the looks and ready to test on the track. It makes perfect sense the way the Big Mouth is designed that it would work great.Ramming ambient air onto the radiator is always a good thing. |
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Installed last week. It was a little tight between the skids (looks like
the skids are more rounded on 2004 cars). Had to cut-off side rubber
pieces. Since I do not have the factory air dam, install was different. I moved
thr big mouth more to the rear and tilted the plate up to meet with angle of the
radiator. I used the orignal frame saver bolt holes. Did not need any other
screws. The rear edge of the big mouth butts up against the skid support plate
welds. Looks very nice. |
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I have been running tests for several days. I also installed a 160* t-stat
(finally available for the 2004 cars). This allows the big Dewitts radiator to
work properly. With 105* ambient temps, I see a 12* drop in temps from street to
freeway 65 MPH downgrade driving (this is with no fans running). This drop
occurs in about 1 mile of driving so the big mouth is working. The 160* t-stat
will be too low for winter driving, hopefully the 180* units will be out by
then.
Thanks for bringing this product to market. It was the perfect solution for
my cooling system. |
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It's been awhile since we last spoke, awhile ago I purchased one of your
BMAD andI would like to let you know that this month my car is featured in Vette
Vues magazine and I mentioned your Big Mouth Air Dam.
Your product has been holding up great without any problems. I slightly
customized my air dam by adding the word CORVETTE in white safety reflective
vinyl letters which look awesome at night when headlights hit it. I also added
two little stabilizer bars which helps give it that "race" look. I also replaced
the factory lower spoiler with an M1 Prowler front spoiler.
The car will be shipped next week up to Bloomington to appear in the BPP
display!
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Hello Eric , happy holidays, took the ZR1 out today , noticed lower oil temps ,
and water temps , great product ...plus it looks great i will send some pics
soon , take care Gary |
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Well I'm an unbiased opion....and the DAM lowered my temp... I've had no
debris problem and the lines are clean, the material and workmanship is vette
quality...I've posted pictures here on the install and am waiting for the
vette lettering from Eric... He did a great job....Vinnies87.
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Eric its in, it seemed to be doing really well on my way back to
work getting up to about 185... a 9 degree drop then.... I stop to
get something to drink, came out and my overflow tank was bubbling
over...but my temp was only about 204...Hmmmmmm, as soon as I fired it up
and started driving and the coolant fan on it dropped back to the high
180's....possible that I just put too much coolant in the radiator
and that's just over flow pushing it out |
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I tried to mount mine as high as possible to avoid scraping, so a stock
non-lowered vette with it hanging lower would show better gains. I took a
pic of the approach angle (15 degrees) with my lowered vette, and showed how
easily it clears a standard size parking curb. Mine is 6" off the ground. |
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Hey Eric!! I'm JUST getting back
from the weekend - I sent Larry a screen shot of my car on the highway - it went
from 201 to 171 in less then a mile!!!!!!!!! I was doing around 75, and my temps
were in the low 170's, if not 171!! He was impressed :). |
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Eric was very helpful from the first time I emailed him. I had some
special requests and things I wanted to address and he accomidated all
of them before he had any money in hand. The online transfer of funds
went smoothly and the product was shipped right away. Packaging was
between overkill and ridiculous, plenty of wrapping!.
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After buying a Big Mouth Performance Air Dam Kevin decided to put it to the test and see if it really works. This is his findings Tech Data Page |
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