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Joined: Dec 2003
Posts: 487
GTS2003BLK
Senior Member
GTS2003BLK

Senior Member
2003 Toyota Celica

Joined: Dec 2003
Posts: 487
Portland, Oregon
Feb 16, 2:38am - #104164 
Styrofoam grill blockage: Hydro locking vs. RAM air effect?

Hello all,
I have a 2003 Celica GTS. Half of the long thin grill opening above the front License Plate is covered by Styrofoam on the drivers side. I have read that this Styrofoam serves the following functions:

1.Energy absorption in case of impact.
2.Structural support for the vinyl plastic front fa ade. (Removal is said to cause droopy front bumpers.)

My speculation is that the Toyota engineers may have decided to cover the half of the grille on the drivers side as a preventative measure against water being sucked into the air Intake which is just a few inches up and behind the Styrofoam blocked side of the grill.

I am contemplating cutting holes in the Styrofoam to get more of a RAM Air effect, but I am trying to calculate the hydro locking danger potential in doing so.

As a preventative measure to this potential MOD I am thinking about cutting a foot long length of PVC pipe in quarters and using one of the curved pieces as a sort of downward deflector that will still let air in.

I am already using the TRD high flow K&N type Air Filter.

It would be great to hear some input from some experienced Celica owners.



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Joined: May 2003
Posts: 5,346
spaztikid
dikitzaps
spaztikid
dikitzaps
1974 Toyota Celica

Joined: May 2003
Posts: 5,346
LA
Feb 16, 2:41am - #104165 
go for it... but the stock airbox is basically sealed so idunno

Joined: Sep 2003
Posts: 108
dmaxd03
Member
dmaxd03

Member
2000 Toyota Celica GTS

Joined: Sep 2003
Posts: 108
Florida
Feb 16, 9:49am - #104166 
Hydrolock will not occur with the stock air box unless you submerge it completely. The shear fact that it is an airbox will prevent it. Seriously hydrolock is not a problem unless you have a cia that is loww and submerge it. Then it is a matter of the engine sucking water up the Intake like a straw.

Joined: Apr 2003
Posts: 1,899
Gen7fan
ThE iRoN mAiDeN
Gen7fan
2003 silver streak Toyota Celica GT
ThE iRoN mAiDeN
2003 Toyota Celica GT

Joined: Apr 2003
Posts: 1,899
Maryland
Feb 16, 9:57am - #104167 
I have the same set up (TRD filter with the foam trimed), just get a upgraded Intake. Its such a pointless mod it does little to help HP, save the time its going to take you to cut that out and use it to install a Short Ram.

Joined: Jun 2003
Posts: 1,111
GraSSRooTs
Specialist
GraSSRooTs

Specialist
2001 Toyota Celica

Joined: Jun 2003
Posts: 1,111
MA
Feb 16, 10:01am - #104168 
You sound like you need a Cold Air Intake. Maybe the Injen Short Ram.


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DiabloGTS
Wheezy Joe
DiabloGTS

Wheezy Joe
2002 Kawasaki Ninja 250

Joined: Apr 2003
Posts: 2,451
Lafayette, LA
Feb 16, 10:06am - #104169 
if you cut that, and you get into an accident, you might have problems.


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Posts: 799
fastceli2001
Senior Member
fastceli2001

Senior Member
2001 Toyota Celica GT

Joined: Sep 2003
Posts: 799
CT
Feb 16, 10:09am - #104170 
Originally Posted by GraSSRooTs
You sound like you need a Cold Air Intake. Maybe the Injen Short Ram.


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Posts: 411
vietnamese2004
Senior Member
vietnamese2004

Senior Member
2003 Toyota Celica

Joined: Dec 2003
Posts: 411
Canada - B.C - Vancouver
Feb 16, 10:55am - #104171 
CAI is the way to go thumbsup


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Feb 16, 10:59am - #104172 
I doubt that styrofoam is gonna help if you get in an accident.

Joined: Jun 2003
Posts: 1,307
RoMkApOmKa
Specialist
RoMkApOmKa

Specialist
2002 Toyota Celica GT

Joined: Jun 2003
Posts: 1,307
Maryland USA
Feb 16, 11:35am - #104173 
I think that if you hit something wile going 30 mph and over Styrofoam will not gonna make any difference...
But you should keep it on.It can help to save your bumper if you hit somthing on the low speed.

Joined: Dec 2003
Posts: 487
GTS2003BLK
Senior Member
GTS2003BLK

Senior Member
2003 Toyota Celica

Joined: Dec 2003
Posts: 487
Portland, Oregon
Feb 16, 4:55pm - #104174 
Thanks for the reply. Good feedback all of it. The common consensus seems to be that although the hydro-locking danger is very low, so is the benefit to screwing around with that Styrofoam. For the time/cost benefit ratio CAI or Short Ram seems to be the way to go.

Joined: Apr 2003
Posts: 4,658
Evan
Rebel
Evan

Rebel
2003 Toyota Celica GT

Joined: Apr 2003
Posts: 4,658
Washington
Feb 16, 7:13pm - #104175 
What you said about droopiness is true. After a while, you may notice some sagging. Personally, I wouldn't cut it


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Eyger
Specialist
Eyger

Specialist
2000 Toyota Celica

Joined: Jan 2004
Posts: 1,168
California
Feb 16, 11:36pm - #104176 
Eh, rip it out and try it for a little while, if you like it then aweome! If not, just shove it back in there.


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