What intercooler size is best for EG6 hatch?
- I want to ensure that it fits behind the bumper (after I cut most of the grille out)without removing the rebar.
- I don't want it to hang so low that it sits below the stock lip
- I want maximum exposure to open air
- I want to minimize pressure drop
I have the choice of two intercoolers, both with 2.5" inlets/outlets:
1. Core = 20" x 8" x 3" (total length not including inlets/outlets= 26.5")
or
2. Core = 22" x 6.5" x 3.5" (total length not including inlets/outlets= 30")


- I don't want it to hang so low that it sits below the stock lip
- I want maximum exposure to open air
- I want to minimize pressure drop
I have the choice of two intercoolers, both with 2.5" inlets/outlets:
1. Core = 20" x 8" x 3" (total length not including inlets/outlets= 26.5")
or
2. Core = 22" x 6.5" x 3.5" (total length not including inlets/outlets= 30")
im going to say the bigger one would be better as the amount of increased cooling you would get would more than offset the amount of pressure loss you would recieve.
Definitely the first one. The length is not as important as the number of air channels it can go through to provide cooling. More channels are far superior to longer channels.
im going to say the bigger one would be better as the amount of increased cooling you would get would more than offset the amount of pressure loss you would recieve.
Alright, how about this...
Intercooler # 1 (20x8x3) has 12 air channels @ 1/4" tall each.
20" x 3" x 12 channels = 720" of cooling
Intercooler # 2 (22x6.5x3.5) has 10 air channels @ 1/4" tall each
22" x 3.5" x 10 channels = 770" of cooling
Plus intercooler #2 exposes more of its surface to air while the car is moving due to its 22" length.
A stock EG bumper are covers a few of the bottom rows of intercooler in the 8" unit.
Intercooler # 1 (20x8x3) has 12 air channels @ 1/4" tall each.
20" x 3" x 12 channels = 720" of cooling
Intercooler # 2 (22x6.5x3.5) has 10 air channels @ 1/4" tall each
22" x 3.5" x 10 channels = 770" of cooling
Plus intercooler #2 exposes more of its surface to air while the car is moving due to its 22" length.
A stock EG bumper are covers a few of the bottom rows of intercooler in the 8" unit.
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Alright, how about this...
Intercooler # 1 (20x8x3) has 12 air channels @ 1/4" tall each.
20" x 3" x 12 channels = 720" of cooling
Intercooler # 2 (22x6.5x3.5) has 10 air channels @ 1/4" tall each
22" x 3.5" x 10 channels = 770" of cooling
Plus intercooler #2 exposes more of its surface to air while the car is moving due to its 22" length.
A stock EG bumper are covers a few of the bottom rows of intercooler in the 8" unit.
Intercooler # 1 (20x8x3) has 12 air channels @ 1/4" tall each.
20" x 3" x 12 channels = 720" of cooling
Intercooler # 2 (22x6.5x3.5) has 10 air channels @ 1/4" tall each
22" x 3.5" x 10 channels = 770" of cooling
Plus intercooler #2 exposes more of its surface to air while the car is moving due to its 22" length.
A stock EG bumper are covers a few of the bottom rows of intercooler in the 8" unit.
[Modified by ProEater, 8:43 PM 12/19/2002]
[Modified by ProEater, 8:44 PM 12/19/2002]
im going to say the bigger one would be better as the amount of increased cooling you would get would more than offset the amount of pressure loss you would recieve.
ive heard that bigger isnt always better... ask the boost forum....
ive heard that bigger isnt always better... ask the boost forum....
adaM
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