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The mkiv Supra Owners Club

James's 6266 CEA - SRD Turbo Kit Dyno


TheTurtleshead
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Specs below; On the road, full boost @ 3.2k rpm in 4th. Full torque by 4k rpm.

 

Engine Type - Stock bottom end, 2JZ-GTE.

 

Engine Spec - HKS 256/264 (In/Out) Cams

 

Turbo - Precision PT6266 CEA with 1.0 divided housing

 

Intercooler - HKS Type R 4"

 

Fuel Used - V-power Nitro

 

Injectors- Injector Dynamics 1000cc

 

Fuel pump- Single Walbro 485

 

Exhaust - HKS Ti 4", 3" DP & MP

 

Transmission - V160 & RPS Streetmax(Stock driven plate)

 

ECU - Syvecs S6

 

Mapped By - 2barTuning

 

Dyno Used - Devil developments (dyno dynamics)

 

Power figure - 708hp on Vpower

 

Torque figure - 640ft/lb on Vpower

 

Boost Pressure - 1.7 bar

 

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Edited by TheTurtleshead (see edit history)
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  • 2 weeks later...
Awesome results from a 62mm turbo seems precision never fail to impress, is your turbo a bb version? gen 1 or gen 2?

 

Gen 1 Journal mate, but billet!... The lowest of the low :D

 

can i ask, why you changed to the walbor pump?

 

Bosch 044's don't like pushing fuel vertically up a true -8 line with no non-return valve it seems! If I'd ket the stock feed it should have worked fine. Oh well!

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Guest Dan ep3 turbo
Gen 1 Journal mate, but billet!... The lowest of the low :D

 

 

 

Bosch 044's don't like pushing fuel vertically up a true -8 line with no non-return valve it seems! If I'd ket the stock feed it should have worked fine. Oh well!

 

 

Wow that's even more impressive then, what do you mean by the -8 line? I have twin Bosch 044 on my r33 gtr runing -6 from each pump to rail

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  • 2 weeks later...
Guest Budz86
Yes easily If the supporting Mods are correct, intake, head, cams etc.

Maybe with a hypertune intake and a fully flowed head and aggressive cams, but I'm not so sure. Internals would help a bit but looks as though the power is leveling out later in the rev range so not sure an 8-8.5k limit would help, just provide peace of mind. To do that you'd need a bigger exhaust housing and then you loose the spool. You also need to do the fuel system too and the clutch. For the extra 90bhp and the combination of compromises that would need to be made I personally wouldn't. James has a fantastic setup here....just needs a decent driver! 😉

 

Be interesting to see what a fuel flex does to this though! Can see that taking it past 750 on it's own and for £180, it's worth a nosey! Lol

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  • 10 months later...
i have a very similar set up with a 6266 gen 2 , running 2 bar of boost , greddy inlet etc

 

not been on the dyno yet but hoping for close too 800bhp :)

 

I will be surprised if it makes it to 800 on boost alone, I don't think anyone else has got there without a heavy amount of ethanol.

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  • 1 year later...

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