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The mkiv Supra Owners Club

610 Bhp!


b_have

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PFFFT. I call Photoshop!!!!111!

 

 

 

Congrats Charlie - very impressive.

What boost was that at?

 

Only 1.4 bar (previously mapped to 1.6)but maxed out the injectors. Best thing is the spool and driveability. Gets positive boost at 1900rpm, with the new rev limit at 7400 it feels like a huge powerband.

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Well done Charlie, nice numbers.

 

How does it compare to the stage 1 turbo overall?

Cheers Dan, not as instant as the T61, but much more progressive and way better top end. There was no point in increasing the rev limit with the T61, it ran out of puff around 6500rpm. Still need to improve spool on this setup.

 

Very nice! What are the specs of your engine/turbo setup?

 

Its a precision GT4088 (.81 hsg) on a divided HKS ex manifold. HKS wg. Blueprinted Jun clone inlet man/plenum. PE650 inj @ 46psi. HKS 264/264 cams. Meth injection and minor head cleanup.

 

Thats a lovely power curve, is that a fully built block you're running on I take it? Those GT4088R's really are the Daddy's for the high end.

 

Superb.

 

All stock internals except ARP fasteners. Its a GT4088 journal brg from precision/Garrett.

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