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yeah the engine is an rb20det.

the driveline is different, the attessa is not on the GTS4, the interior is different, really the only similarity is the fact that they are both skylines and are 4wd

That is not entirely correct, apart from the obvious engine, gearbox, guards, bodykit, intercooler, fuel pump, interior etc the R32 GTS4 has a lot of things in common to the R32 GTR. These are the things that I have noticed: CV driveshafts are the same, rear Diff cradleand K frame is identical, the layout of the drivetrain is identical, the suspension although being different spring rate and dampening rate they are identical in design, GTS4's do have the attessa system (including G-force sensors) and the two systems will work perfectly if connected together it's only the V-spec's that have the different faster attessa e-ts pro + active LSD system in the 32's, It is only the front brakes that are different on the GTS4 the front rotors and calipers are different, with a smaller in dia master cylinder and the firewall has a recess for a boosted clutch on the GTR, these are different on the GTS4/GTS-t and the boosted clutch wont fit without major modification, the fuel tank is different as the GTR one is plastic with a better baffle setup and is bigger than the GTS4/GTS-t steel one, the intercooler plumbing is different and would require a hole to be cut on the drivers side for the plenum to intercooler pipe and the pasenger side one would need to be enlarged to fit the 80mm pipe, and the brackets for the FMIC aren't there of course.

They both have the same hicas system design but the GTR has super hicas and there is 4 different wiring looms between the GTR/GTS4 models these are variables of the auto/manual with or without front active spoiler, the auto models having no clutch input on the hicas system of course. All the GTR/GTS4 models seem to have the same quick-responce ABS system as it goes hand in hand with the attessa system with the wheel speed sensors.

Nissan made a lot of things the same on the two models to save manufaturing and design costs. You only really find the difference when you have both models and you try to mix and match. There is probably more but I can't remember them all sorry.

MEGA

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