Top RB20 Club... do you have over 260rwkw?

[Roy]

That looks cool with the different front end etc. One of my fav cars is an S14 i saw in a mag with an S13 Silvia front and S15 rear.

PM me your email address and i will send you a file that converts it all for you

[Jago]

gonna have to get my car dynoed when it comes (eventually), hopefully after some bigger injectors go in and raise the boost a tad, first i have to get it engineered and rego'd tho

[FATGTS-R]

Nice result Black sky. Do you have a dyno chart you could post up? Interesting to hear it holds power up to 7500rpm. Mine makes max at 6,000.

Where abouts is it hitting full boost, and how much?

[Jago]

hrmmm watch this space, twin turbo RB20 R31 has arrived today, drove it down to autosport engineering to get started on it.

The previous owner said it made around 160rwkw and the mods are as follows:

FMIC, twin turbo setup using RB26 turbos and manifolds, 3" exhaust with 3" hi flow cat, 700hp fuel pump (have to ask him what brand or dig up the receipt), heavy duty clutch (once again have to dig up the receipt or ask him), microtech LT8 ecu, twin pod filters.

I must admitt, when driving it, it did feel like it went hard, even though i wasn't pushing it too hard, but the figures he told me were, well, somewhat lower than what i'd expect with this sort of setup. ATM it's running 9psi boost and injectors are at max or very close to max duty cycle (standard RB20 injectors, had some 800cc/min ones on but the bloke said they were meant for rotors to he took em off and went back to standard as they were stuffing up or something).

Can anyone tell me if these figures look about right? I might get it re-dynoed/do another power run once it is engineered to see for myself.

anyway, would these figures be fairly typical of a setup like this? (not common, but if you go off factory turbo specs it might give you some idea/grounds for comparison)

[jnr32r]

black sky ... thats awesome power !!! GO D RB20 !!

Can u tell us about the specs?

[Baz]

Holy shit.... 41 pages... lol

Anyone want to sum up the best way to achieve 260rwkw's?

[Jago]

anyone?

[FATGTS-R]

Sum it up?

intake, decent sized turbo, efficient cooler, good dump, 3 inch minimum exhaust, injectors, fuel pump, ecu with a good tune, big hit of boost, wait untill about 4,000rpm for the turbo to wake up, HANG ON while it skates across the road = 260rwkw.

Oh, last but not least the most important mod of all, MONEY!!!!!!!

[Interloper]

Sum it up?

intake, decent sized turbo, efficient cooler, good dump, 3 inch minimum exhaust, injectors, fuel pump, ecu with a good tune, big hit of boost, wait untill about 4,000rpm for the turbo to wake up, HANG ON while it skates across the road = 260rwkw.

Oh, last but not least the most important mod of all, MONEY!!!!!!!

<{POST_SNAPBACK}>

i'll add,

Z32 airflow meter, unless your obviously using a MAP sensor in which case you can remove the AFM restriction

with RB20 the best options for ecu are: remapped stock ecu or Apexi PowerFC.

my 2c.

[SimonR32]

http://img504.imageshack.us/my.php?image=3056pi.jpg

still having problems, just look at the boost haha

new dump this week then retune AGAIN

[R31 POWER]

Looks like it has more mid range compared to your other dyno run.What dump and boost controller do you have/and how did you get it not to creep high in the rpm

[SimonR32]

its still creeping at high rpm

ive just turned boost up now to above what it was creeping till

but now the dump is holding back the engine so its dropping off boost

someone buy me a external gate

haha

[legend01]

So what has been the top rwkw for the rb20det in the thread so far from my reading its been 288rwkw or have i missed something ?????

Peter

[kwazza11]

Well finally drove my car today after 3 months off the road putting all the original kit on (had to do pretty much everything again as the crazy japs bodged everything). but anyway feels fast, very laggy though, as in doesnt pull boost till about 4k and full boost by nearly 5k (even with the rb24).. hopefully get it on the dyno on monday to check that everything is sweet a/f and knock-wise and i'll post up my results.

gearbox doesnt sound promising, gave it two quick squirts in 3rd to about 6k and its already sounding like the mainshaft bearing has collapsed.

update early this coming week and hopefully gearbox lasts the dyno run and i can make it into the club

dodgy phone pic:

Edited December 10, 2005 by kwazza11

[carl h]

Well finally drove my car today after 3 months off the road putting all the original kit on (had to do pretty much everything again as the crazy japs bodged everything). but anyway feels fast, very laggy though, as in doesnt pull boost till about 4k and full boost by nearly 5k (even with the rb24).. hopefully get it on the dyno on monday to check that everything is sweet a/f and knock-wise and i'll post up my results.

gearbox doesnt sound promising, gave it two quick squirts in 3rd to about 6k and its already sounding like the mainshaft bearing has collapsed.

update early this coming week and hopefully gearbox lasts the dyno run and i can make it into the club

dodgy phone pic:

<{POST_SNAPBACK}>

holy fiznuck!

whats the ar on that turbo? from the pic the housing looks absolutely ginormous!

just curious but how do you know its a rb24?

also is that the gtr intake manifold mated to the rb20?

[kwazza11]

ar is unknown probably a .82, wheels are huge though, 72mm front and rear! its a kkk k27 and apart from that i've got no info on it.

bought the car in japan with the gtr crank and rods with tomei 82mm pistons already in it. havent actually pulled the sump off and measured the thing but from the feel of the motor with standard everything its definately more torquey than my last rb20.

and yea manifold is 2/3rds rb26 and 1/3 rb20. basically rb26 injector bosses welded to the plenum then that welded to the end of a rb20 manifold. not the most advanced piece of kit but should do the job now that i've ported it to get rid of the weld protrusion they left in there..

[1400r]

customer just made 320rwkw in his new 32 we sourced for him from Japan 2.3 lt stroker t88 33D 1.2 bar

[carl h]

customer just made 320rwkw in his new 32 we sourced for him from Japan 2.3 lt stroker t88 33D 1.2 bar

<{POST_SNAPBACK}>

not shabby at all......

im looking to crack 300rwkw's on a rb20 when i get mine backtogether.

[1400r]

it crazy power boost was 1.2 bar t88 should good for 2.2 bar max motor may not be though

[RS500]

it crazy power boost was 1.2 bar t88 should good for 2.2 bar max motor may not be though

<{POST_SNAPBACK}>

what does the power curve look like?