PJ.
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Posts posted by PJ.
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No such thing for an AWD
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Triple 044's into a 3 into 2 splitter, twin entry -8 into the rail.
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That is just crazy, man! Nice work
Was the 6766 totally maxed out?Thanks mate, hmmm not convinced yet, I will give you an answer when I'm done with this one. 6766 will go back on next with a slightly bigger housing to see what they can do.
as usual..i tip my hat to you P.J, track looked good for running numbers!
cheers
darren
Thanks Darren! Yes track was killer but suspension still far from ideal, 1.40 60 on the 8.9!
Congrats man, that's massive.
What power/boost was that at?
Cheers John, 44psi, no idea on power. Given that it made 636kW at the wheels on 42psi, I would say in the 650kW region.
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7175 not even in the zone yet
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They are certainly capable of pushing beyond their power rating, but I've seen some figures floating around with way too much GST on them.
If they aren't done on an engine dyno or backed up on a track, they are just that...numbers.
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It's an R34 box with PPG straight cut and Tomei gear knob. The most Jap Commo you'll ever meet.
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Here's an update for the RB26 VN at the track. Still a bit off its potential on this power (910hp at the wheels on 25 psi), but it's getting there! Weighs 3315lb with driver, has steel, glass and a heavy interior.
I'm sure you'll enjoy the sound.
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Is it me or are these Precision turbo's very quiet on song? Every video I have seen they are quiet as!
Bulldog run Simon. Congrats
The mid frames hardly make any noise, when you're cruising they make a multi-pitched noise though, you can notice it at night.
The larger frames like my 7175 "almost" sounds like a T51R.
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I think they feel perfectly stable on the road (in the dry anyway), in the wet they are terrible.
I run 14psi in them on the street and track (cold) went a best of 1.28 60ft on the 255/50/16's. Best drag radial I've ever tried hands down.
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Hey dude, a search will reveal what people think of them on here. Been covered a few times
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Here are some more results from this Saturday on the dyno. We were aiming for 35psi on the next hit, unfortunately the idle speed control screw of all things decided to unwind itself. It was already 9pm when we sorted it out so had to cut it short, but I am very confident in saying that we would have seen 1150whp.
Pretty amazing how linear the power curve is since it is making drag engine power. Rev limit is set to 9500rpm.
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That's why I thought I'd ask, people have claimed that the PT6262 spools better than the GT3582R which sounds unlikely but who knows. The PT6466 is not far different in measurements to the T04Z and there is no lb/min rating for them - though Precision rate them at 900hp. Does that mean they can be used in place of a T51R Kai on a pump gas setup for someone looking for a bit more power with the same or less lag? It seems unlikely to me.... there isn't even any reason for me to have confidence that they'd make more on pump gas than a T04Z.
I'm trying to determine the place of the larger Precision turbos when huge boost and E85 isn't involved.
From my experience with my own engine, a certain boost pressure = very similar power level provided the turbo is still within its capabilities. When a turbo start to roll over of course the power gains decrease per psi. As you'd know pump fuel and 900hp are a mismatch (on a small engine anyway), as you will never be able to put the boost in that is required to get it in the zone.
I would certainly place my bets in saying that a 6466 will outspool a T51 donkey (sorry to all my friends who I have offended in saying that
)The test that Sound performance is a good example how different the 3 Precisions react even though they have identical exhaust wheels.
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The 6466 is a fair wack bigger (195hp rated), I doubt you would be getting that for nothing
Exactly.
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People have their own theories, I'm going off what Jim Berry uses here and I think in my case it's on par.
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The results given ethanol content doesn't completely shock me, the fact that they were still doing something at that boost level does. I'm going back to a 6766 later in the year, mine made 853hp atw on 42psi. Going off a 15% drivetrain loss that is 980hp at the engine, I can't see it making too much more power than that on my setup...might have to try again
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Great read, thanks for posting. Amazing that they are flowing that much with that housing at high rpm too.
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Bryce, I know from experience that the 6262 and GT35 are very, very similar in response. There is a back to back comparison from the US here: http://forums.nicoclub.com/highest-horsepower-rb25-stateside-t477938-40.html
Note the 6262 was running a larger housing (Tial) I don't the Tial v-band housings do anything extraordinary at all...
Also, PTE make a .84 T4 divided housing only.
Cheers,
PJ
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JB's have been the problem over the years, I'm with you on this one Darren!
How many Precision's have you tried Scott?
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Im very impressed with the powertune r34 gtr and the drag s13 silvia from motive dvd....amazing!!!
Thanks, Johnny, always keen to wick it up for the fans
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what have you got in the pipeline now the vet is for sale PJ? something bigger?
I thought about a turbo V8, but realistically it would throw the handling out and I want to do some track days so going to stick with what I know, if it sells.
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I have a 6466 on an rb28, and i expect in excess of 500awkw. Might be a little bit too extreme on a daily strees sil. Buut, look at PJ's THING, because thats what it is, a freakish THING. It has a monster and still makes powers that are usuable for speeding up the rotation of the earth arouns the axis of the suns, and stuff
Hahaha I laughed pretty hard when I read that! Pretty deep!
Allan, the 6466 on your 26 will be fine and will comfortably make the power
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I have decided to throw the ENGINE SETUP up for sale and let it go with the right offer. $28,000, or $25,000 no turbocharger (still includes manifold, gates etc)
This was built as a no expense spared project with only the best bits money can buy, making it a reliable combo on huge power that you can around town, circuit or drag.
600-1000hp SR20VET street/race engine depending on boost level.
CP forged pistons
Sleeved block by Darton USA
Carrillo Rods
Plazmaman billet girdle
Modified ARE swinging pickup
Moroso external oil pump
ATI harmonic balancer with Petersen drive gears + Custom crank mandrel
Supertech’d out ported P11 head – Oversized valves, guides, springs, the lot.
½” head studs and Advance Motor Mechanics special mains setup
Custom monster cams
Mazworx solenoid relocation block
Custom intake + fuel rail
Bosch 2000cc injectors
Plazmaman throttle body
Custom ignition setup
6boost T4 twin scroll manifold
Twin Tial Wastegates
Precision 7175 (GT42)
P12 CAS
Earls fittings throughout
There are countless hours and more R&D into this engine than any street SR20 in the world and it shows in the numbers.
365kW on 19psi Pump E85 – 10.9 @ 136mph with bogged 1.8 60ft
570kW on 36psi Pump E85 – 9.0 @ 154mph on radials 1.28 & 1.34 60ft
630kW on 44psi C16 (Switched to C16 due to injector duty) Have not raced it on this power but has trapped 158mph on 41psi
It has travelled 2,000km’s, 500 on a run in, 800km’s (400 each way to Cooma) at the Snowy Mountains 1000 where it took out the RWD class, and the rest has been street driving.
2012 Motive Drag battle RWD winner (You can see it in action on the latest Motive #16 DVD)
Serviced meticulously with Royal Purple XPR 41 oil and fluids.
Obviously there is a lot more to making a reliable setup like this than meets the eye, and the purchaser will get a detailed spec list.
The price is not negotiable, this is a $50k + setup in any workshop who doesn’t have anything to back it up! If you think you can build one cheaper, GOOD LUCK!!!! Not many cars are this powerful, practical and bulletproof!
PM or call if you’re serious and have money good to go.
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Yes mate, I still have it after all these years
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400m will mean I won't turn 5th
Was the 6766 totally maxed out?
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Forced Performance Hta Turbos
in Forced Induction Performance
Posted · Edited by PJ.
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