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R33 GTS's and GTS-t's

streamer
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streamer Rising Star

streamer

Posted
Posted

Guys,

i did a search and none of these came up..i guess...heh

In my never ending quest for more GO, ive got some questions abt turbocharging...

1) in regards to the RB25DE and RB25DET, what are the differences? Am told that the difference with the RB25DE is that the cams have higher lift. What is this? And that the pistons are different. Thats it. If u change the pistons, then it basically is fine then cause the Compression will go down if u change to turbo pistons or is there more than that i shd be aware of?

2) What else in the car differs? besides brakes and gearbox?

3) what kinda power is the Non-turbo gearbox good for?

4) presumably, i slap in a r33 GTS-t ecu, std turbo and manifold. And then an o2 sensor(dont know why but someone told me i shd) and a GTS-t AFM(or are they already the same in the non turbo) i shd be able to run maybe 0.3 bar? with my present 10.1 compression ratio?

5) presumably i buy the GTS-t ecu ahead of all the parts above and put it in, will my car still be able to run with the GTS-t maps?

thanks...and nheh...my knowledge base is limited and based on mainly what i hear around...nth expert wise so...if ne of the above are wrong, i would be more than happy if u wud correct me...thats why i posted...

hehehehe

thanks in advance guys

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HKSgtst Proficient

HKSgtst

Posted
Posted

better off getting a gts-t. furthermore the price difference is not much.

if you buy a gts, you'd be kicking yourself for not buying a gtst. the mods you have to put on to be on par with a gtst is more than the difference you pay for a gtst. trust me, the gtst would make you smile for quite long in standard form.

JimX Grand Master

JimX

Posted
Posted

The DET engine has oil squirters in the piston bores, which I think the DE doesn't have. If so, you will probably find yourself with a variety of piston overheating problems, which you won't even know about until something ****s up bigtime. ie, it's not just that your coolant temperature gauge will read higher than if you didn't have the squirters.

If you really want to do this, the best way (seriously) is to buy a GTS-t front-cut, transplant the whole front end including gearbox and brakes into your car, then sell all the leftover bits to recoup a few hundred bucks.

A front cut can be had for around $2k I believe, which I think is a bargain compared to buying all the necessary bits separately and then shoehorning them in. The process of swapping everything over should also be a lot simpler than modifying your existing engine.

predator Grand Master

predator

Posted
Posted

read the above :( It can be done, and the engine swap is fairly straight forward and the best option if you are so attached to your GTS and really MUST do it. A guy i know has done it to his GTS, seems to have worked ok.

Don't forget the big difficulty of registering, insuring the car and the like if its not fully engineered. Its fine to do yourself, but when you go to sell it you will probably have trouble convincing somebody to buy it. Or in a serious accident you may well be royally *f'ed* when the car is inspected.

will also still only have the smaller brakes of the GTS however, and the diff may be slightly weaker(?).

For $3-4k difference between a reasonable GTS and factory GTS-T to be honest i'd just be selling and trying to pick up a stock GTS-T for around $16k

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