
Cubes
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Everything posted by Cubes
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Gearcalc. Gear_Calc.zip
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Hey Gary.. I remember a thread a while back that a discussion was held on 'should i fit a plenum to an rb25' or something along those lines. I too don't believe an after market plenum on the rb25 is worth while as the std gear works well with the given setup. i.e gearing, where peak power rpm lands, how power holds etc. On the 3ltr I'm not so sure. First off a possible explanation to why mid range power was down after the plenum was fitted up. The std plenum boost was peaking to 9psi then tailing off to 8psi by peak power. With the aftermarket plenum boost was peaking to 8psi then holding perfectly through out the rev range. With the slightest boost increase it made quite a noticeable increase in power. Roughly 1psi equalled 10rwkw until valve float became evident. I'd have to conclude it was most definitely the slight change in boost level that caused the power difference through the mid. Why boost peaked then tailed off with the std plenum I'm not sure. The problem is with a GT35r .82 is that it comes on strong from mid to high 3000's. Having peak power just over 5000rpm and then nose over hard really only leaves you with ~1500rpm to play with. With the std R32's gearing having a peak power so early in the rpm really doesn't work too well.. The benefit of AM-Performances set-up is that power holds well instead of simply peaking and then nosing over hard. If we would see the same results on a stock turbo or high flowed turbo I'm not sure.
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Sliding Performance Hiflow Picks And Installationon Rb20det
Cubes replied to CEF11E's topic in Engines & Forced Induction
Loaded up my old rb20det stock turbo at 1bar used to hit it a shade over 3000rpm. General driving, second gear low speed out of a corner used to see 1bar by ~3500rpm. -
Nice. What did u end up going? VG30 highflow or rb25 highflow, max oversize?
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Sliding Performance Hiflow Picks And Installationon Rb20det
Cubes replied to CEF11E's topic in Engines & Forced Induction
Should be interesting how it spools on the 2.8ltr. Should be similar to how it would perform on an RB30. -
Which Is The 3 Most Recommended Guages To Have On A Turbo Car
Cubes replied to fishy's topic in Engines & Forced Induction
You can have the pfc also displaying boost if you fiddle a little. There's mention of it in pauls r33 faq I think. -
With the short runner there was 100% nothing lost off boost. If anything it looked as if it picked u 0.5rwkw, but well within dyno variances.
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Car Smells Like Petrol After A Hard Drive
Cubes replied to Dose Pipe Sutututu's topic in Engines & Forced Induction
I used octite rad & petrol tank repair kit, was under $10 from memory. -
Blitz... Its the first I've noticed but the R33 and R34 PFC's are no longer available from Nengun with a in bold writing stating they are discontinued. The R32's aren't even listed any more. So I'd say its definitely looking as if the pfc for the GTST at least has reached the end of the road.
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NIB, The new wolf does look very nice. http://www.wolfems.com/content/view/43/
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Its irelivent as you don't have insurance. If you had insurance and the cost of the repairs are worth more than the car its then considered a write-off. In your case... The car has to be fixed or your in trouble as the car loan requires you to have full comp insurance. I was told by my insurance company these cars don't have a market value and they need to be inspected individually.
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The 3ltrs really do benefit with a short runner large plenum. Which has got me thinking... The plazman plenums. Not really a good idea on the 3ltrs as they retain the standard runners? I'm still quite stoked we've stumbled upon the 'restriction' that holds back peak power rpm in the rb30det's. The only reason it had a plenum thrown on it is because you can't lower the motor in the GTS4's so a plenum it had to be. So quite a stumble indeed. ISL33P, You do a plenum to suit the r32 rb25de? Something that may require sending in our own inlet manifold to be chopped up or can you sort out that side of things? The std plenums really do leave the rb30det feeling a bit like a high powered diesel.
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Going by apexi's track record the new replacement system should work well. Microtech... goodbye fuel economy. Then again some r33 owners don't have any anyway.
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Sliding Performance Hiflow Picks And Installationon Rb20det
Cubes replied to CEF11E's topic in Engines & Forced Induction
CEF11E, Live-edit... How well does the afr display reflect real world afr's? -
'Apparently' the 3bar map sensor is required if running over 17psi? This was over at the rx7 forums so not sure how accurate it is. Paul?
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Which Is The 3 Most Recommended Guages To Have On A Turbo Car
Cubes replied to fishy's topic in Engines & Forced Induction
Maybe he's after a little wank(er) factor... A fully sik AFR guage BOOST guage to see how much BOOOST its running/ Speed to 400km/h -
Which Is The 3 Most Recommended Guages To Have On A Turbo Car
Cubes replied to fishy's topic in Engines & Forced Induction
Thats not a bad combination. I'd probably trade boost for oil temperature. -
Sliding Performance Hiflow Picks And Installationon Rb20det
Cubes replied to CEF11E's topic in Engines & Forced Induction
The curve looks quite good actually.. CEF11E, post the details in http://sau.garagespank.com/login.php -
Steve might be able to shed some light as he made 320 something rwkw through a HKS3037 + all the nice bits to get there with 20 something psi with perfect boost control You 'may' want to give Shaun a buzz as he tuned Steve's many years ago and knows them like the back of his hand. Just like the AVCR they can be a hassle to setup.
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The 480cc exide has the positive on the right and negative on the left. So the opposite from factor I believe. It will also require a trip down to clarks rubber for a small piece of rubber mat to go under the battery. You need the rubber to lift the battery up a touch as its height is slightly too small.
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F1... Still a 3ltr.
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lol
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No need to change strut brace. Those plenums can be picked up for quite cheap. Throw any plenum on it and open up that top end.
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yes short runners. I think the slight drop in mid range is probably the almost 2psi drop that was seen with the new plenum. Prior boost was almost 10psi then tailed off to 8. After the plenum it sat on a steady 8psi through out. Not sure why it was playing about prior. Interestingly there was no noticeable drop in off boost low rpm torque.
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He posted pics of it a few pages back. Some jun copy thing.