Jump to content
SAU Community

Recommended Posts

I had a stock R32 that made 115rwkw, stock everything.

125rwkw with fuel leaned out a little on 95RON fuel.

This was done with a bleeder on the FPR.

95RON fuel wouldn't allow any more than the base 15degree's ignition timing.

The exhaust went on, power went to 140rwkw with no fuel fiddling, only ignition timing & 98RON fuel.

12.5psi gave me 152rwkw with a bit of ignition timing & fuel bleed with 98RON fuel.

  • Replies 61
  • Created
  • Last Reply

Top Posters In This Topic

But i've seen a couple of guys running that sort of boost level through stock RB20 - No Intercooler/Dumpipe and their turbo hasn't died yet!

Jun

Hey, i would be a fine example of that...

same mods as above 3 inch cat back exhaust, air filter.

lately these cold nights i've been getting constant 15psi runs and during the day about 13~14psi

Still have the same stock from cooler in the left hand side, no boost controller..yet

running fine

how do u run more boost like 14-15psi with out a boost controller HCR32?

mate im asking my self that same question

i know r32gtst run stock 9~10 psi, with after market exhaust and air filter you can expect it to jump up to a higher psi reading like 12ish

but as i said above, cool nights, keeping an eye on the boost gauge its hitting 14~15psi and holding strong.

Some people might not call a bleedvalve a boost controller... could be one reason :D

Either that or you could do a bodgy mod like this.. :)

Grab a big arsed Yellow screw driver and ring spanner.

Loosen off the actuator bolts jimmy the actuator away from the turbo and tighten up the bolts. Be carefull with the right foot as just a little too much adjustment will easily see 18+psi. :)

With this setup I didn't need any form of bleeder or boost controller.

It also held any boost level to redline and beyond. Bleeders would tend to drop back to 12.5psi over 5500rpm. EBC's held boost, this free mod does what an ebc does. :D

so if i create a GAP between my actuator n turbo? how much boost will i be running?

I mentioned it in my previous post..

Be carefull with the right foot as just a little too much adjustment will easily see 18+psi. :D

No one knows how much boost you will be running.

You have to try and becareful.

If you don't feel confident playing then don't do it. You WILL blow something up if you are not carefull.

hahaha

So a standard rb20 turbo can run 15psi ok(occasionally of course)? When does the power start to drop off at, 6,000rpm similar to s13s?

Whats the redline on an rb20 btw...

Also what kinda 1/4 times wud u be getting with 15psi + fmic + full zorst (im guessin 150rwkw and flat 14s)??

R32s seem to be a backwards step in power from my old 180 but they look better... hehe

hahaha

So a standard rb20 turbo can run 15psi ok(occasionally of course)? When does the power start to drop off at, 6,000rpm similar to s13s?

Whats the redline on an rb20 btw...

Also what kinda 1/4 times wud u be getting with 15psi + fmic + full zorst (im guessin 150rwkw and flat 14s)??

R32s seem to be a backwards step in power from my old 180 but they look better... hehe

6000rpm power would seem to drop off because of cams. I have found keep going to about 6250-6500 just to keep it in the power a bit more on the gearchange, but thats with my car.

Id hope with those mods tho you would be getting more power than me... I have stock cooler, and 12psi, and got 145rwkw on a hotish day, at what would seem a pretty spot on dyno. I've also run a 14.156 in a car that is about 150kgs heavier.

So you make 145rwkw on 12psi with a full zorst? Im guessin the 14.1 is in the 32?

Im buyin an r32 and tryin to know what to expect :D

Nah, sorry, no dump pipe yet. Just stock dump, rest is prety much 3inch straigh bit of pipe, I think one 30* or so bend after the front pipe.

And no, time is made in a cefiro, with pretty stiff suspension.

Jazz.

I always rev'd my RB20DET to a shade over 7000rpm. BUT with stockish boost it feels as if you want to change around 6500rpm.

More boost helps extend the top end for some reason.

I posted earlier in this thread, Full exhaust & 12.5psi it made 152rwkw.

1bar made 164rwkw at 7000rpm.

I then pushed it to 1.1bar and used to run 0-100km/h in ~5.2secs and 175km/h in the 13's. So I'd say it would have been in the high 13's.

R32's weigh in at just over 1300kg's.

R33's weigh ~1400kg's.

Is the actual redline 7k or 7.5k on the tacho? People seem to say RBs (and CA's) can rev better than Sr20s... yet an sr20 redline is 7.5k, is the RB the same? Obviously i know these engines are simply happier at those higher rpms too :D

Cef... Weight 1330kg

R32.... Weight 1290kg

But then, mines got the skyline brakes, bit of stezza gear, all my cds (about 400 odd in the car all adds up :D) bigger fuel tank, few other upgrades/extras abs etc, and I had the air compressor etc in there for after races.

So yeah, do the sums.

The solid redline is at 7500rpm. It begins to show a warning redline at 7000rpm.

The tachno means crap but.. :D

Fit a big turbo and rev the sucker to 8000rpm. :D

I've driven a S15 making around 170rwkw, fmic exhaust & ebc.

That definitely didn't want to rev anything like the rb20.

The Sr20 felt as if it was begging you to change at 6000rpm. The RB20DET keeps saying.. just a little more just a little more. :)

For traffic lights I much prefer the sr20. For the twisties and hills the RB20DET is much more fun and usefull with its revability and wider power band.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • Even more fun, leave all the ADAS stuff plugged in, but in different locations, hopefully avoid any codes!   And honestly, all these new cars with their weird electronics. Pull all the electronics out Duncan, and just shove an aftermarket ECU and if needed a trans controller in, along with a PDM. Make it run basic but race car styled!
    • To follow up a question from earlier too since I had the front bar off again (fking!) This is what is between the bumper and the drivers side wheel And this is the navigator side, only one thing but its a biggy! So basically....no putting coolers in the wheel arches without a lot of moving other stuff. Assuming I move to properly race prepping this car I'll take that job on and see how the computers respond to removing a whole bunch of ADAS modules
    • So I prepped the car for another track day on Wednesday (will be interesting to see coolant temps post flushing out and the larger reservoir, with a forecast of 3-14 being 20o cooler than last time I took it out). Couple of things to mention; since I am just driving the car and not taking a support vehicle, I took the rear seats out and just loaded the back up Team Trackday style. Look at all that space! To cover off removing the rear seat....it is weird (note the hybrid is probably different because it wouldn't have folding rear seats) Basically, you remove the lower seat base, very similar to a r series but it is a clip that pulls forward to release the base rather than it being bolted down. Easy Then, you need to remove the side section of the rear seat on each side. There is a 14mm head nut at the bottom of the side piece, the it slides upwards off a hook at the top to release; you also need to unhook the seatbelt from the loop at the top. Then the centre piece is weird. You need to release/fold the seats forward with the tab in the boot on each side From there, there are 2,x12mm headed bolts holding the rear of each seat to the folding bracket, under the trim between the rear seat and the boot (4x christmas tree clips there, they suck). The seat is out but you can see where the bolts attach to the bracket
    • As discussed in the previous post, the bushes in the 110 needed replacing. I took this opportunity to replace the castor bushes, the front lower control arm, lower the car and get the alignment dialled in with new tyres. I took it down to Alignment Motorsports on the GC to get this work done and also get more out of the Shockworks as I felt like I wasn't getting the full use out of them.  To cut a very long story short, it ended up being the case the passenger side castor arm wouldn't accept the brand new bush as the sleeve had worn badly enough to the point you could push the new bush in by hand and completely through. Trying a pair of TRD bushes didn't fix the issue either (I had originally gone with Hardrace bushes). We needed to urgently source another castor arm, and thankfully this was sourced and the guys at the shop worked on my car until 7pm on a Saturday to get everything done. The car rides a lot nicer now with the suspension dialled in properly. Lowered the car a little as well to suit the lower profile front tyres, and just bring the car down generally. Eternally thankful for the guys down at the shop to get the car sorted, we both pulled big favours from our contacts to get it done on the Saturday.  Also plugged in the new Stedi foglights into the S15, and even from a quick test in the garage I'm keen to see how they look out on the road. I had some concerns about the length of the LED body and whether it'd fit in the foglight housing but it's fine.  I've got a small window coming up next month where I'll likely get a little paint work done on the 110 to remove the rear wing, add a boot wing and roof wing, get the side skirt fixed up and colour match the little panel on the tail lights so that I can install some badges that I've kept in storage. I'm also tempted to put in a new pair of headlights on the 110.  Until then, here's some more pictures from Easter this year. 
    • I would put a fuel pressure gauge between the filter and the fuel rail, see if it's maintaining good fuel pressure at idle going up to the point when it stalls. Do you see any strange behavior in commanded fuel leading up to the point when it stalls? You might have to start going through the service manual and doing a long list of sensor tests if it's not the fuel system for whatever reason.
×
×
  • Create New...