schewie said:
Would a VR4 stock intercooler fit straight onto a GSR? and would it be worth it over an Evo intercooler?
Nope, unless its a vr4 evo cooler as they are the same as evo 1-3.
I posted the sizes on the bottom of this page, stolen from mmc.
basically it goes,
vr4 j-spec
vr4 evo, and evo1-3, same size.
then later evos 4 up are larger.
From what i could find they did improve them from evo 4 and 5 which had 22 air channels, where as the later ones like my evo 8 cooler has 25. off the top of my head it changed at evo 6. The info's hard to find i wish i had of written it down.
The problem you will most likely have with fitment is the height, while the evo 1-3 are 256 mm high, if you go a later evo cooler 4 onwards they are all close to 300mm high, depends who measures them, will this still easily bolt up in a gsr front, and not stick out the bottom?
In my vr4 this was what required me to play around a fair bit to get it to fit, it had to move up and therefore had to move backwards to fit, so it didn't stick out the bottom.
Look into this or it wont be as simple as an evo 1-3 cooler. have a measure up under the top of the bumper inside and see how much height you have to work with.
If by the sounds you not after massive power at this stage the evo 1-3 will be easily enough. And if you have to move things around to get the larger intercooler's to be able to sit back and up, you will save yourself a lot of stuffing around.
Intercooler Dimensions:
evo 1-3 intercooler:
256.2x470x65mm
evo 4-5 intercooler:
294x470x65mm
evo 6 intercooler:
289.5x470x70mm
evo 7 intercooler:
310?x470x70mm Im Pretty sure evo 7 isnt 310 high, so this probably wrong.
VR4 intercooler, core only.
205 x 420 x 65mm (HxLxD)
pipes? ~47mm or 1 7/8" I think