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

RBsileighty

By RBsileighty,
in Engines & Forced Induction

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SimonR32 Grand Master

SimonR32

Posted
Posted

12.8 on r-comps and 12.9 on genuine street tyres :)

plus i ran a 1.8 flat 60 foot on street tyres but clutch stuck to flywheel and couldnt smash box into 3rd haha

that was with enough power to run over 113mph (the run before), low 12 went begging!

i'll race u in the gtr instead hehe

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hellaflush7
hellaflush7

Stock unopened RB20DET out of an R32. Kando TD06-20G 8CM NZ Performance Himount manifold Turbosmart 45mm Gate Bosch ID1000 inj United 107 Raceblend Profec B Spec II 302kw @ 25PSI Could have ke

mokompri
mokompri

haha i knew those plates were familiar... Nismo_Boy, sounds like an animal, could you scan article and post up

random1jzmx83
random1jzmx83

Not quite 260rwkw but close enough. Rb20det Fmic Hks pod filter Hks 25/30 turbo Turbosmart boost t 3" exhaust Bosch 1000's E85 Made 257rwkw at 19psi

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MADGT4 Mentor

MADGT4

Posted
Posted
Had my first tune today with the new engine got 1500 klms on it so there more potential in it yet,tuner thinks the plenum is stoping it atm but very happy with the result

post-7066-1179388107_thumb.jpg

cheers Peter

HOLY SHIT!

Decent numbers there!

I'd also love to know the spec's on the motor too!

legend01 Experienced

legend01

Posted
Posted

sorry guys been busy

40thou oversize aries pistons

25 crank make it rb2.1ltr

ported and polished head

hks cams and cam gears

performance valve springs

garrett gt3040r turbo

hks low mount manifold

3" hks zorst

hybrid front mount

cai to standard airbox

550 sard injectors

Roy Grand Master

Roy

Posted
Posted

Hehehe. Std RB20s pulling good numbers and good times. And legend finally gets his 20 back on the road. Great stuff peter. I cant imagine how much fun that car must be to drive. How is it for traction in top of 2nd and 3rd gear? What boost? Does the head work help it make power? Your thoughts?

LOL..i want to throw the HKS manifold and 3076 on. :kiss: 20G just wont make the top end i need to scare the big boys at Phillip Island and Sandown :P

silver gts-t Grand Master

silver gts-t

Posted
Posted (edited)
Hehehe. Std RB20s pulling good numbers and good times. And legend finally gets his 20 back on the road. Great stuff peter. I cant imagine how much fun that car must be to drive. How is it for traction in top of 2nd and 3rd gear? What boost? Does the head work help it make power? Your thoughts?

LOL..i want to throw the HKS manifold and 3076 on. :kiss: 20G just wont make the top end i need to scare the big boys at Phillip Island and Sandown :P

im curious also about the head work, what exactly was done to it and whether its worth it bang for buck.

Edited by silver gts-t
Roy Grand Master

Roy

Posted
Posted

hehe...there are still a few ppl down here that attribute the speed of my car this year to a cheater spec motor. Its just that for the first time in a good many years i have a working diff, good rubber and a tuner that knows what he is doing, so not having to drive around too many problems. Cant wait to get the new suspension working

BlueRB240 Collaborator

BlueRB240

Posted
Posted
you'll run into the 12's, but a low 12 required stock rear strutts and coils, i ended up with positive camber on the back when we put them in which sqaured the tyres out on the launch.

and you'll need micky thompson e/t's

my 13.1 in street trim was on 20 psi aswell, when i up'd it to 24 i couldnt get it to hook up till 4th

the 16c rear isnt THAT bad hahaha, i see full boost 24psi by 4700.

Do you run ARP head studs and aftermarket headgasket? I'm just wondering how far I can go with the boost on my RB20. I was planning on a max of 25psi but if your doing that on the stock head studs I might just push for 28psi. I'm running the head studs, Tomie headgasket, sard 800cc injectors, Prescion SC61 turbo, PFC, Tomie 270 cams, rips intake ect. I think I might need to run alot of boost before that turbo is happy. I just hope she will hold the PSI and I won't try to blow the motor.

legend01 Experienced

legend01

Posted
Posted

Hey guys

Just back from the dyno day ,had issues with fuel leaning out at higher rpm but was pretty impressed with what it made by 5300rpm will post graph

Roy ,its great to be driving it again feels awesome pulls like a train but its still a new engine it will get better as it beds in some more its got like 1600k's on it now so there lots of playing to go.On high boost what traction and high boost is 23psi

I'll try to answer your's and Johns q about the head work and its value at once .With the old bottom end I never had any trouble with high rpm's leaning out it could also be crank and bigger bore that helping this but alot more air flow will cause it to so the 1mm oversize valves and I spent a bit of time doing the ports again in my opinion has help with power but I think its helped more along the lines of torque its feels heaps better hills that i'd drop down a gear b4 now cruise over it top no trouble but more than that i think its reduced lag time a fair bit you'll see it in the dyno graph I got today as I didn't get one when I got it tuned 4got was to stocked with it toping 300rwkw

Butters

it would if I had 82mm pistons but mine are only 40thou oversize 79mm standard is 78mm

I'm thinking about doing a post on this rebuild with all information I have as took heaps of pic's during build but thats for a latter time his todays dyno graph

post-7066-1179560662_thumb.jpg

you can see where his backed of at 5300rpm here but here is where you can see where full boost has come in all the work I did with the flow honing has paid of and the head work has helped this as well usable power

AD4M Proficient

AD4M

Posted
Posted
Do you run ARP head studs and aftermarket headgasket? I'm just wondering how far I can go with the boost on my RB20. I was planning on a max of 25psi but if your doing that on the stock head studs I might just push for 28psi. I'm running the head studs, Tomie headgasket, sard 800cc injectors, Prescion SC61 turbo, PFC, Tomie 270 cams, rips intake ect. I think I might need to run alot of boost before that turbo is happy. I just hope she will hold the PSI and I won't try to blow the motor.

the motor hasnt even had the rocker covers removed let alone aftermarket gasket/studd's :P

rb26s13 Mentor

rb26s13

Posted
Posted
that is bullshit response! at 4200 you are making 250kw!!! awesome. Maybe i should turf my RB26 and whack in a 20?

i cant believe it thats f**king insane :) i think i almost should have stuck with my 20 now.. and poured as much money into it as i have my 26

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