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Request From Members With Powerful Rb20s

TheProDaniel

By TheProDaniel,
in South Australia

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TheProDaniel Rising Star

TheProDaniel

Posted
Posted

Hey guys, mate and I that both own 32s running RB20DETs are in the dilemma of deciding where we'd like out of our cars power wise. Neither of us have been in an RB20 with anything other than the standard turbo so we're wondering if there are any friendly member with a powerful 20 who wouldn't mind taking us for a bit of a spin so we can get an idea of what we can expect. Will shout a beer!

TheProDaniel Rising Star

TheProDaniel

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  • Author
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Well we more wanna get an idea of what to expect of X amount. We haven't really set a budget yet and don't really know how much power we'd like because we're not really sure how much we'd like. We've both done full exhausts, fmic and the basics and are now looking at turbo, injectors, AFM and tune. I've already got a Power FC so we just wanna get an idea of what we'd like. Anyone mind sheading some light?

Damo_R34 Grand Master

Damo_R34

Posted
Posted

So what are your choices? Power or new car? For turbo, injectors, AFM and tune, youd be looking at around 4000, thats the minimum. Theres alot of extra unexpected costs as well, as im sure alot of other members will vouch for|!

moo_r32 Proficient

moo_r32

Posted
Posted

hey mate, atm iv got a

vg30 turbo- $300 and all the usual..eg fmic, fuel pump, bleeder valve, and a re-map and also an external gate (not nessisary but sounds damn good lol) and iv got 215kw at the treads on 15psi, injectors are at max flow and yu shouldnt realy run over 14psi with vg/r33/standard turb obviously, so i wouldnt reccomend it but iv had this 4 over a year now and its all good! our customers cars we usualy run 14psi max in top end and get between 180 to 200 kw. cheep!

biulding a 3L now! :blush:

bezender Grand Master

bezender

Posted
Posted

ive got just a bit over 200 killerwasps @ 14psi with a turbo from an rb25, standard piping to a fmic (standard piping to reduce lag) 3" turbo back zorst, gtr fuel pump, bleeder valve and a remap. got other toys too like coilies strut braces and a 2-way but they have little to do with power.. the only other things that i will do to this car will be stuff to keep it happy (like a big ass oil cooler, moar efficient radiator and a sexy oil catch can)

i want MOAR POWAAHHH, but i think that will end with me getting a new car

Cubes Grand Master

Cubes

Posted
Posted

The VG30 turbo sucks. Its nothing more than an rb20det cartridge with slightly larger comp and turbine housings.

The rb25det turbo on the other hand has a similar sized exhaust housing but both a larger compressor and comp cover.

Definitely the rb25det turbo over the vg30det turbo.

Average power FTW.. It accelerates you quicker to that 200killawasps of where you only spend 1/10th of a second anyway. :P

Unless the car is a track hack I wouldn't bother spending money on the rb20. Drop a rb25det in to it and make 2x the power with more off boost acceleration, more mid range, considerably faster spool and just so much nicer to drive.

Or you could go the rb30det and spool a larger 525hp rated turbo the same as an rb25det spools its stock turbo. ;)

As for how much power... 200kw is quite lazy. 250rwkw+ is repeatedly 'fun' in a r32 gtst lightweight.

250rwkw as a streeter with an rb20 will no doubt have you loosing your license as it will require you to ring its neck to 'feel' fast.

RB25DET or greater. :P

TheProDaniel Rising Star

TheProDaniel

Posted
  • Author
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The VG30 turbo sucks. Its nothing more than an rb20det cartridge with slightly larger comp and turbine housings.

The rb25det turbo on the other hand has a similar sized exhaust housing but both a larger compressor and comp cover.

Definitely the rb25det turbo over the vg30det turbo.

Average power FTW.. It accelerates you quicker to that 200killawasps of where you only spend 1/10th of a second anyway. tongue.gif

Unless the car is a track hack I wouldn't bother spending money on the rb20. Drop a rb25det in to it and make 2x the power with more off boost acceleration, more mid range, considerably faster spool and just so much nicer to drive.

Or you could go the rb30det and spool a larger 525hp rated turbo the same as an rb25det spools its stock turbo. tongue.gif

As for how much power... 200kw is quite lazy. 250rwkw+ is repeatedly 'fun' in a r32 gtst lightweight.

250rwkw as a streeter with an rb20 will no doubt have you loosing your license as it will require you to ring its neck to 'feel' fast.

RB25DET or greater.

We'd def like to consider the 25 / 30 option but legalities would make that less feisable and we don't really want to be driving round cars that insurance would void (especially me as the 32 is my daily).

Cubes Grand Master

Cubes

Posted
Posted
We'd def like to consider the 25 / 30 option but legalities would make that less feisable and we don't really want to be driving round cars that insurance would void (especially me as the 32 is my daily).

Go the RB25det then.

Regardless; suspension, highflow turbo, boost controller, remapped or aftermarket ecu are all insurance voiders if they were to get nit picky. :P

When listing mods with an insurance company and they say yeah thats fine.. The fine print also states it must be legal.

TheProDaniel Rising Star

TheProDaniel

Posted
  • Author
Posted
Go the RB25det then.

Regardless; suspension, highflow turbo, boost controller, remapped or aftermarket ecu are all insurance voiders if they were to get nit picky. ;)

When listing mods with an insurance company and they say yeah thats fine.. The fine print also states it must be legal.

I see your logic. We'd still like to go for a small drive in something (be it 20, 25 or 30) to get an idea. :P

dmr Mentor

dmr

Posted
Posted

if you decide to stay with an RB20 you're best bang for buck would be the 2530. fast spool, reliable power, low mounted, fits factory manifold and dump. probably the best turbo built for the RB20.

have a read of the RB20 upgrade thread as it may give you a heads up on what parts and costs are involved in getting to the power figure you want.

esky_mad Proficient

esky_mad

Posted
Posted

ive gone a lil stupid on my rb20. ive spent over 10k on parts from october last year until now on a stock internal motor. you really need to decide how much you want to spend then you can decide how much power/driveability you want to achieve.

+1 for the 2530

TheProDaniel Rising Star

TheProDaniel

Posted
  • Author
Posted
once ive finished wiring the loom for my mates 300rwkw R31 with a 20 in it im sure he wont mind me taking you guys for a drive! hehe.

Sounds good, that's what we're after.

give me some cash an your rb20 and i'll think about giving you my 255rwkw RB30DET. (All the works done, haha!)

Sounds exciting, how much are you asking?

ive gone a lil stupid on my rb20. ive spent over 10k on parts from october last year until now on a stock internal motor. you really need to decide how much you want to spend then you can decide how much power/driveability you want to achieve.

I'd probably be looking to budget aroud 2 -3k depending which turbo ect but I will also be looking into the budget options like 25 turbo and saving my cash for another car or RB30 conversion.

I'm pretty sure my mate is willing to spend more than I am so I gues 3 - 5k maybe.

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