Soarer Central: Whats needed for 1uz to rev to 9000rpm?

Soarer Central Mechanical - V8 - Supercharged Whats needed for 1uz to rev to 9000rpm?

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Ali Saeed
Goo Roo
WA
UZZ31

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Friday, April 15, 2011 - 03:06 am, by: Ali Saeed (Ali)

Been watching that 600hp NA 1uz supra on YouTube and it got me thinking what would you need to do to the engine to run it at 9000rpm?? Obviously full standalone. Forged internals? Camshafts? Valve springs? And strap on a t04z for good measure?

Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

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Friday, April 15, 2011 - 06:36 am, by: Daniel Clarke (Dieseltrain)

You dont want to rev a 1uz to 9000rpm . They dont last long . Ed who owns that supra is up to his 4th engine now .

Anyways , once youve gone turbo you shouldnt need to rev it that high .

My mates TT Capri with 1uz revs to 8200rpm at the track . Thats a fully built 1uz with everything . Mind you it just made 910rwhp and will run very close to a 7 sec pass street registered . It has gone a 8,3 @ 165mph so far making just over 800 @ the wheels .

APart from the bottom end , you need someone who knows what they are doing with porting the heads on these things , custom cams , and custom intake manifolds . ED put many years into engineering his engines to finally make that much HP .

Paul Knox
TryHard
QLD
uzz31 manual

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Friday, April 15, 2011 - 01:08 pm, by: Paul Knox (Surreal)

what you need is deep pockets, alot of patience and be prepared to do alot of building and rebuilding , and not much driving.

Ali Saeed
Goo Roo
WA
UZZ31

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Friday, April 15, 2011 - 01:48 pm, by: Ali Saeed (Ali)

ack, i thought you could reliable rev it high.

my whole interest in revving it high was because it sounds insane. but i wouldnt be looking for more than 350rwkw, i think gt35r might suffice then?

Mike Beck
Goo Roo
New Zealand
E36 Coupe

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Friday, April 15, 2011 - 03:18 pm, by: Mike Beck (Gold_40gt)

Daniel Clarke wrote on Friday, April 15, 2011 - 06:36 am:
Anyways , once youve gone turbo you shouldnt need to rev it that high .

Exactly, unless it's specially setup for that kind of rev limit its just going to increase stresses and gain nothing.

If you want to rev it that high, it's ultimately a full rebuilt with everything up spec'd. From a new finely tuned ECU setup to high performance valve springs, I mean where do you stop, you wouldn't have any change out of $10,000 to do a good job, and that is excluding turbos.

Realistically if you want more revs, you could go up to 7000-7250 to get that extra flexability with the engine , but it means an stand alone ECU and a 5 or 6 speed manual box to really get the most out of the longer gears.

I had one of my V8 soarers running 7500rpm rev limit, yes it sounded rather fantastic, but just before hitting 7000 you could already feel the engine was just loosing power way up top and the acceleration rate was dropping until it changed into the next gear.

The other issue is having a stock 4 speed auto, with a higher limit the gears become so long it's ridiculous. Again a shorter ratio box and/or final drive is needed.

Aaron Mead
Goo Roo
NT
Celsior 1UZ-FE Mines, JZZ30 1.5JZ-GTE To4z

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Friday, April 15, 2011 - 06:39 pm, by: Aaron Mead (Aaron)

$10k would barely cover machining!

Mike Beck
Goo Roo
New Zealand
E36 Coupe

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Friday, April 15, 2011 - 07:19 pm, by: Mike Beck (Gold_40gt)

If you sent the heads to China it could!

Ali Saeed
Goo Roo
WA
UZZ31

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Friday, April 15, 2011 - 07:47 pm, by: Ali Saeed (Ali)

ah the dream has been crushed! hahah might just have to stick to forged internals and reliable turbo powah

Nathan Richardson
TryHard
N.T.
UZZ32 #445 (V8 Supercherged 5Speed. 291RWKW)

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Friday, April 15, 2011 - 10:13 pm, by: Nathan Richardson (Richtheblack)

I would say $30k to do it properly and even though you should be able to maintain reliability, hitting that sort of RPM on a regular basis will only wear things faster.

Whilst the higher RPM will yield a higher HP figure, it wont be what is noticed through the seat of your pants. It will be torque that does that!

Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

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Friday, April 15, 2011 - 10:27 pm, by: Daniel Clarke (Dieseltrain)

My mates engine owes him about 7-9k for engine only . Still going strong and is pushing close to 1200hp @ flywheel in current tune . Stock Block , Crank , Heads ( Ported , factory valves too !!! ) , Factory lower manifold ( ported ) .

But the biggest thing is someone who knows how to port the heads , and customising the cams to suit . Oh and also custom cam gear setup to dial in the cams properly .

Nathan Richardson
TryHard
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UZZ32 #445 (V8 Supercherged 5Speed. 291RWKW)

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Friday, April 15, 2011 - 10:38 pm, by: Nathan Richardson (Richtheblack)

There is no doubt that the 1UZ can handle a decent amour of power. It's the high RPM that we are talking about here isn't it?

What are the details on your mates setup Daniel? Sounds pretty impressive!

Cheers.

Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

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Saturday, April 16, 2011 - 07:47 am, by: Daniel Clarke (Dieseltrain)

1UZ running 8.5 comp . Factory crank with aftermarket rods + pistons . Ported heads with custom cams and cam gear setup . Ported lower stock manifold with custom upper plenum . FMIC . Twin Gt3540 turbos ( were 0.6 ) with 1.06 rear housings . Runs a Powerglide , Neil Chance Convertor from US , 9 inch diff . Shifts @ 8200rpm at the strip .

Runs on E85 fuel . 3 pumps , surge tank , 1600cc injectors , EMS ECU , CDI ignition .

Pump 98 @ 21psi made 650rwhp and ran 9.0 @ 151mph . With 0.6 rear housings .

Changed from Hoosier tyres to MT'.

E85 fuel and 0.6 rear housings 27psi car made 801rwhp . Ran 8.3 @ 165mph .

Now with 10.6 rear housings @ 30psi car made 910rwhp and yet to run . Smashed the Planetry gears on launch ( to be expected . Box was only built to handle 800-900hp , not 1200 ) .

New Neil Trans powerglide coming from the US rated to 1600hp .

Car is fully engineered and Legal and Street driven . Driven to the track and back home .

The aim is to drive to the track , Run a 7 , and drive home !!! It will be acheived . Car currently has all metal panels , no fibreglass yet .

Mike Beck
Goo Roo
New Zealand
E36 Coupe

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Saturday, April 16, 2011 - 02:55 pm, by: Mike Beck (Gold_40gt)

That sounds like a rather sporty engine.

Ideal to put it into a car that is well suited on the road and track with no adjustments.

Cheap version of a McLaren SLR?

Ben Creswick
Tinkerer
NSW
V8

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Reg: 06-2006

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Friday, April 22, 2011 - 08:22 am, by: Ben Creswick (Turbo4l)

I'm currently building two UZ motors that will rev over 9K

First one is a 4.6L stroker which has new rods, pistons and sleeves. all ARP bolts
cnc ported heads with 2mm os valves, and custom Full billet intake manifold with twin 3" TB's.
upgraded oil pump. 290deg 12mm lift custom cams
10 to 1 comp dual valve springs and Ti retainers.This one will rev to 10,000rpm

The second one is a 5L 2uz bottom end with 1uz heads. cnc ported again with 3.5mm os valves. over 300deg cams with 13mm lift.
4 bolt splayed billet main caps, block girdle, dry sump kit, full custom Ferrea valvetrain including new buckets and seats.This to will have the full billet intake
This engine will rev to 11,000rpm, run on E85 and have two turbos strapped to it.

Allan Langford
TryHard
Vic
UZZ31

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Friday, April 22, 2011 - 08:27 am, by: Allan Langford (Allan)

interested in the liner job on the 1uz, whats the largest bore diameter you can get in there?

Ben Creswick
Tinkerer
NSW
V8

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Friday, April 22, 2011 - 04:09 pm, by: Ben Creswick (Turbo4l)

98, but sticking with the 93 for a 1uz or a 95 for a 2uz is better for overall use. ie you can add boost. 95mm with a straight dry sleeve or custom wet sleeve for 98mm

Allan Langford
TryHard
Vic
UZZ31

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Tuesday, April 26, 2011 - 08:10 pm, by: Allan Langford (Allan)

i'm guessing the 98mm wet sleeve job is going to be mega $$$ too?

Ben Creswick
Tinkerer
NSW
V8

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Wednesday, April 27, 2011 - 08:42 pm, by: Ben Creswick (Turbo4l)

Yes, mega $$$

Scott Vim
TryHard
Vic
Soarer (1uz) Chaser (1jz)

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Thursday, April 28, 2011 - 05:09 pm, by: Scott Vim (1uz1jz)

How hard can you rev a 1uz in stock form? 7,500rpm?

Nathan Richardson
DieHard
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UZZ32 #445 (V8 Supercherged 5Speed. 291RWKW)

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Thursday, April 28, 2011 - 05:12 pm, by: Nathan Richardson (Richtheblack)

That's what my rev limit is set at from memory.

Ali Saeed
Goo Roo
WA
UZZ31

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Thursday, April 28, 2011 - 07:16 pm, by: Ali Saeed (Ali)

mm i just want Ed's supras intake manifold. it looks and sounds brilliant

Damian Ware
Goo Roo
Victoria
UZZ32

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Friday, April 29, 2011 - 09:17 am, by: Damian Ware (Frozenpod)

Scott Vim wrote on Thursday, April 28, 2011 - 05:09 pm:
How hard can you rev a 1uz in stock form? 7,500rpm?

US ECU has the rev limit set to 6750rpm, mines ECU set the RPM limit to 7500rpm.

I know of a few auxillaries that have failed whilst spinning at such high RPM for extended periods, could be age related but it might be beyond there capabilities.

In stock form there is no point going above the US limit as the cams are very limiting and the power is already dropping off at 6000rpm.

With a set of cams and underdrive pulley I don't see why there would be a problem at 7500rpm.

Kurt Harrison
Tinkerer
NSW
V8 UZZ31

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Friday, April 29, 2011 - 09:22 pm, by: Kurt Harrison (Aps12p)

On Dyno of standard internals 1uz, power pulls off at about 5800 RPM, so although you can rev a 1uz to 7500RPM (mine did with just a aftermarket ECU) The flow rate designed in the 1uz wont produce much more power after this unless you change internals. my experience

Nathan Richardson
DieHard
N.T.
UZZ32 #445 (V8 Supercherged 5Speed. 291RWKW)

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Friday, April 29, 2011 - 10:59 pm, by: Nathan Richardson (Richtheblack)

Damian Ware wrote on Friday, April 29, 2011 - 09:17 am:
With a set of cams and underdrive pulley I don't see why there would be a problem at 7500rpm.

Kurt Harrison wrote on Friday, April 29, 2011 - 09:22 pm:
On Dyno of standard internals 1uz, power pulls off at about 5800 RPM, so although you can rev a 1uz to 7500RPM (mine did with just a aftermarket ECU) The flow rate designed in the 1uz wont produce much more power after this unless you change internals. my experience

Good points.

With my setup, I would still make power above this figure, it would be the fact of everything else throwing it's self apart to do it in the long run.