Arc 079
http://www.arcinter.co.jp/arc/produc...itsubishi.html
There are 3 intercoolers listed for the EVO VIII and IX, and 3 intercoolers listed for the EVO VII. I really have no idea what would be different or lead to the price difference between the VII and VIII/IX intercoolers? Maybe due to the VII bumper the IC mounting brackets are a little different??
So for the VIII/IX we have:
MODEL # -----------------RETAIL $ ---- SIZE -------- ROWS ------- NOTES
M073CT9AMG04 -------- $1350 ------ stock --------- 13
M079CT9AMG04 -------- $1690 ------ stock --------- 19
M073CT9AMGW04 ----- $1780 ------- wide --------- 13 ---- (11.8"H x 26"L x 2.75"W)
From my interpretation, the 13-row one will be the lightest (probably under 10#), and is a direct replacement for the stock IC. The 19-row, with the more dense fins and more bars should both flow and cool more than the 1st one. The 13-row would be best for a mildly modified EVO with a stock or stock-style turbo. The 19-row would be best for someone who is pushing the limits of a stock-style turbo and needs the additional charge cooling for running 30psi on race gas.
The wide version I believe is aimed at folks with aftermarket front bumpers like the C-West, Voltex, etc, with a really wide front opening for the IC. It should fill this area up nicely. Because it has more volume, there will probably be a minimal amount of additional lag, but I am guessing cooling will be about as well as the 19-row stock sized IC. This one is probably best for anything larger than a 20G or 50trim.
All of this is just my interpetation and opinion. Please feel free to disagree or point out if I am blatantly wrong on something.
It sure would be nice if a vendor in the US stocked all 3 types
EVOlutionary
There are 3 intercoolers listed for the EVO VIII and IX, and 3 intercoolers listed for the EVO VII. I really have no idea what would be different or lead to the price difference between the VII and VIII/IX intercoolers? Maybe due to the VII bumper the IC mounting brackets are a little different??
So for the VIII/IX we have:
MODEL # -----------------RETAIL $ ---- SIZE -------- ROWS ------- NOTES
M073CT9AMG04 -------- $1350 ------ stock --------- 13
M079CT9AMG04 -------- $1690 ------ stock --------- 19
M073CT9AMGW04 ----- $1780 ------- wide --------- 13 ---- (11.8"H x 26"L x 2.75"W)
From my interpretation, the 13-row one will be the lightest (probably under 10#), and is a direct replacement for the stock IC. The 19-row, with the more dense fins and more bars should both flow and cool more than the 1st one. The 13-row would be best for a mildly modified EVO with a stock or stock-style turbo. The 19-row would be best for someone who is pushing the limits of a stock-style turbo and needs the additional charge cooling for running 30psi on race gas.
The wide version I believe is aimed at folks with aftermarket front bumpers like the C-West, Voltex, etc, with a really wide front opening for the IC. It should fill this area up nicely. Because it has more volume, there will probably be a minimal amount of additional lag, but I am guessing cooling will be about as well as the 19-row stock sized IC. This one is probably best for anything larger than a 20G or 50trim.
All of this is just my interpetation and opinion. Please feel free to disagree or point out if I am blatantly wrong on something.
It sure would be nice if a vendor in the US stocked all 3 types
EVOlutionary
i really don't think the 3 or the 9 in the M073/9 represent number of rows. only because this leads me to believe those numbers represent core depth in mm.
Could you save a screen shot of what you are seeing and post it up? Thanks!! The 073 is 70mm thick. According to the OP his 079 is also 70mm thick, so I'm thinking the "3" and "9" probably do not refer to thickness. . .
I do agree that my interpretation is probably not correct, either.
EVOlutionary
Last edited by EVOlutionary; Mar 3, 2007 at 10:43 AM.
i bought the 079 from Japan. Should be installed next week. I will post pics and impressions when its installed. I am using HKS i/c piping hopefully i wont have any problems with that.
i had mine for about 2 years. it recently developed 4 cracks in the inlet area of the cooler. i noticed lower boost and found the leak. we tried to weld the cracks and pressurized air to test it which caused even more cracks. I am very dissapointed with ARC I have to find an alternative with same flow characterstics to keep the tune close to what it was. i want to avoid a remap.
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