600hp club! Woot!

[RBcoupe]

just picked up and Map base Power FC and had the car tuned on race gas finally.

im very happy with the numbers consedering it was 90 degrees in the dyno room lol... Basic mod list

R32 RB26 jun crank collartomei HGarp head studsstock rods/pistons/camsPTE GT4067R

pull was done on 27psi and sunoco 110..... im pretty shocked the stock coils took it with no issues.

[eh?]

Awesome! Now take it take it the track in the same configuration, you should be in the 9's --What does your fuel systems consist of?
Modified by eh? at 3:42 AM 8/20/2009

[RBcoupe]

im going friday

PTE 880 injectors, hks rail, and dual 255 walbros

[EVILS14]

you taking it to street life tour in sept?

[krayton]

b****in a** power curve.

dont forget the some vids!

[DrifterProdigy85]

Nice. My SR20 spools the 67mm almost the same.

[l0nestar]

Kick-a**! Now just update your sig!

[Cjmartz2k]

Dude, 600rwhp is nasty. I'd love to get a ride in that thing. Those stock coils are fine BTW. The only reason people think the splitfires are better is because they are replacing old/worn/dirty OEM ones with new ones. I want to see what it'll do on the track now

Nice. My SR20 spools the 67mm almost the same.

Not trying to stir the pot or thread jack, but you say that and you were calling holsets laggy

[Darius]

Hell yah nice power curve! And nice tune as well. The AFR isn't jumping all over the place like you see on some dyno plots.

I think the most important thing to do next is get your strip runs on video!!

[RBcoupe]

you taking it to street life tour in sept?

i might drive it up there.... but if you want to see it in action, come up to the import face off in c-bus on the 30th of this month.

i should have some track vids up here in the next few days

[gawdzilla]

nice man, looks like my old turbo is holding up well

[EVILS14]

sh#t ill be there

[RBcoupe]

cool, feel free to say hi

[meet07]

full boost at 5500 rpm's and your taking her to 8??? man thats a nice long time to enjoy boost. cant wait ti see her in action.

[WhatsADSM]

Yea the same turbo I have now with the same spool time. Finally nice to hear that my spool is what it should be....

Great numbers tho, it should be a fantastic drag turbo! Although honestly I think the turbo is a little too laggy for me, especially on the road coarse. <Shameless plug> If someone is interested I am probably only looking for $400 for it</shameless plug>

Keep us posted on how you do. Keep us posted after the track, my guess (depending on traction and curb weight) is low to mid 10s at 135-140!

Just out of curiosity what rear end setup do you have?

[Booztd 3]

Stock coils should be good for 700-750rwhp and I agree low to mid 10's should be possible with a good 1.5 60ft

[RBcoupe]

thanks, im accually going bigger this winter. most likely the BW version of the 42r

and im on a stock s14 rearend/axles with a j30 diff inside... fingers crossed

[DrifterProdigy85]

Dude, 600rwhp is nasty. I'd love to get a ride in that thing. Those stock coils are fine BTW. The only reason people think the splitfires are better is because they are replacing old/worn/dirty OEM ones with new ones. I want to see what it'll do on the track now



Not trying to stir the pot or thread jack, but you say that and you were calling holsets laggy

I never said a holset was laggy. I said i never saw one doing 700whp yet. Ill be first to admit that my 67mm is laggy. Mine hits 24psi @ 5500rpm. Slightly slower than what it does on a RB26. RB definitly has the tq advantage though.

[Booztd 3]

thanks, im accually going bigger this winter. most likely the BW version of the 42r

and im on a stock s14 rearend/axles with a j30 diff inside... fingers crossed

I doubt you'll like that move, anything over a 70mm inducer is way too laggy on an RB, i suppose unless you plan on hitting it with some nitrous everytime to get it to spool........

Heres a GT4202 on my 26 (@ 24psi)...

[kickertu]

Great numbers! i would be careful with the launch with that much power... when i had my 2jz in my s14 at 530whp or so, i snapped an axle on the launch. didnt launch very hard either. granted my whole rear was stock, so im not sure how much the j30 will help, but baby it out of the whole a few times before you go balls out!

[Shocker]

I doubt you'll like that move, anything over a 70mm inducer is way too laggy on an RB, i suppose unless you plan on hitting it with some nitrous everytime to get it to spool........

Heres a GT4202 on my 26 (@ 24psi)...

Unless you stroke her..

Nice numbers. Did either of you track your cars yet with the powers posted?

[RBcoupe]

im working on it... on the 30th there is a racing columbus that im racing at so i will have some numbers then...

[nissan_superwrench]

that is awesome, i am looking to run the same numbers when i get it finished. rb25 bullseye gt35r 90 hardbody

[WhatsADSM]

Great numbers! i would be careful with the launch with that much power... when i had my 2jz in my s14 at 530whp or so, i snapped an axle on the launch. didnt launch very hard either. granted my whole rear was stock, so im not sure how much the j30 will help, but baby it out of the whole a few times before you go balls out!

Yea I would be a little worried. There seems to be some evidence that the stock 3x2 style 240 axles can't take too much abuse, at least once you are talking about the 500whp range.

If the OP has the large 6x1 300z/Q45 setup that would be more than sufficient, otherwise I believe the early J30/skyline 5x1 style axles are also a bit stronger. However if he just switched the differential assembly (and not the output shafts/axles) that won't make any difference in terms of breaking stuff it will just help put down the power through 2 wheels.

FWIW, I launched a bunch on the skyline style 5x1 axles and never had an issue even on slicks. However when I went back to the 3x2 style 240 axles (so I could use a S15 helical diff), I decided to bite the bullet and just get the expensive DSS axles so that I didn't need to worry when I was tracking the car.

[RBcoupe]

damn... hopefully i dont break one this weekend.but i was cutting low 1.7 60's on MT et streets 26x10.5 at 480whp off anti-lag at 6k rpm, and never had a problem.

im most likely going to pick up a z diff and axles soon.

[maryjane]

I doubt you'll like that move, anything over a 70mm inducer is way too laggy on an RB, i suppose unless you plan on hitting it with some nitrous everytime to get it to spool........

Heres a GT4202 on my 26 (@ 24psi)...

i dont think so, im runnign a t78-33d on a r32 26 and i see full boost 21 on 93 at 4500-5000n and 27-28psi on 110 at 5000-5500 w a twin scroll mani, nice run! i need to get bk to the dyno n join ya in that club

[WhatsADSM]

i dont think so, im runnign a t78-33d on a r32 26 and i see full boost 21 on 93 at 4500-5000n and 27-28psi on 110 at 5000-5500 w a twin scroll mani, nice run! i need to get bk to the dyno n join ya in that club

Greddy turbos are not NEARLY as big as you think. A Greddy/Mitsu T78 is actually just under a 66mm inducer, and is "smaller" than the turbo the OP posted up. To compare it to the GT4202 that Booztd posted up is laughable.... the Greddy isn't even close.

I tend to agree with Booztd, a 70mm is really too laggy on a RB26 to have any decent powerband for the street or even decent powerband on a drag strip without a shot of spray to spool. In most cases the car would actually be faster with a smaller turbo due to a greater average power throughout the powerband.

In general people seem to get turbos that are simply way to big for what they are trying to do. If you are going to buy a turbo set a goal depending on what you are trying to do with the car and then get a turbo that supports that goal and just a little bit more. Otherwise you are getting a turbo that you can't tap the full potential of, but always have all of the lag. The bigger the turbo the less streetability and fun factor it will have.

[HxC_Nismo]

damn... hopefully i dont break one this weekend.but i was cutting low 1.7 60's on MT et streets 26x10.5 at 480whp off anti-lag at 6k rpm, and never had a problem.

im most likely going to pick up a z diff and axles soon.

what did you run in the 1/4 mile with your 480rwhp setup???

also if you switch to the z32 na diff you have to run the early 90's j30 5bolt axles( the z32 axles are too long for the s14 chassis). cause i had to switch when i snapped one of the stock axles when i only had 370rwhp on mine, but i have yet to snap one of the 5 bolt axles yet. oh you should also look into the splparts.com aluminum diff bushings, wich mad a world of difference on mine.

[WhatsADSM]

Another shameless plug... I have 5x1 bolt skyline/J30 axles that should work for you if you get the NA 300z rear end.

I went to DSS when I went with the S15 (3x2) helical setup.
Modified by WhatsADSM at 2:49 PM 8/25/2009

[skylinegtr20]

Stock RB coils are fine, so people have made in excess of 900hp with them and more with the hks dli.

----------------------------------------Smaller turbo is needed, that turbo can put out 750 and is way to big for a 600whp setup.

Get a holset hx40, PT6576H or something of that nature with a small a/r.... with twin scroll you will see boost much earlier and create enough power for your goals. Your setup should be making way more than 600hp at 28 psi.

My supra with a T04R .85A/R, built head & hks 290 cams (discont) made 430whp @ 7psi and 658 @ 16psi with boost around 3600rpm.

i dont think so, im runnign a t78-33d on a r32 26 and i see full boost 21 on 93 at 4500-5000n and 27-28psi on 110 at 5000-5500 w a twin scroll mani, nice run! i need to get bk to the dyno n join ya in that club