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Info on R31 GTS-X - Turbo and Engine

Mr Rb20
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Mr Rb20 Community Regular

Mr Rb20

Posted
Posted

Just for research purposes, can anybody please tell me some info about the engine in the R31 GTS-X and what turbo they use ??

Are they the same set-up (turbo and engine) as the R32 or different ?? If different, then how ??

What are some good upgrades for the R31 GTS-X engine ??

More boost (do they have a boost cut, if so, what boost??), Filter, Exhaust BOV etc ??

What bolt-on turbo upgrades can you do on them ??

Would a chip to remove boost cut, speed cut etc be as simple to do as a R32 ??

Acceleration figures ??

Does anybody know of any good ones here on the forum that they have some info on.

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https://www.sau.com.au/forums/topic/19832-info-on-r31-gts-x-turbo-and-engine/
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DCIEVE Mentor

DCIEVE

Posted
Posted

red top rb eccs has smaller injectors, a nasty boost cut @ approx 13psi on std turbo and half that for a hiflow. and is harder to tune std ecu. im not sure about the nics red top in the early hr31's but apparently harder again to get power out off.

darkhalf Community Regular

darkhalf

Posted
Posted

at the thread says. the r31 NICS and ECCS ECUs are chippable.

no one has figured out the NICS yet (i've had a look at it but haven't really spent much time going through it as i can't see any maps like on the ECCS units just random data)

the redtop ECCS versions contain the maps in the standard locations (similar to the RB20 silvertop). dr drift and myself have a stealth image from lowlux's which we can rechip.

probably advances the ignition timing and fuel maps against stock (i dont have a stock R31 ECCS image to compare against yet so see what they changed). the rev and speed limiters are easy to adjust in romeditor but boost cut i dont know much about altering yet

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