3rz Spitronics with 3ct turbo

Discuss modifications on your 1979 to late 1998 SFA 4x4 Hilux here.
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Chris Jordaan
High Range 2WD
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Joined: Sun Apr 03, 2016 12:39 pm
Town: Oudtshoorn
Vehicle: 1993 4x4 Hilux
Real Name: Christo

Fri May 06, 2016 3:32 pm

Will the 3ct turbo be enough for low boost on the 3rz. On simular forums a significant gain in torque can be gained by adding an low boost turbo or supercharger to a standard 3rz engine. No added fuel consumption to be gained as long as long as u dont add weight to your right foot due to an adrenilen rush to the head. Is there somebody that has done this and what was your success or losses
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Mud Dog
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Vehicle: '90 SFA Hilux DC 4X4, Full OME, 110mm lift. Brospeed branch, 50mm ss freeflow exhaust. 30 x 9.5 Discoverer S/T's on Viper mags. L/R tank. (AWOL) '98 LTD 2.4 SFA, dual battery system. Dobinson suspension, LR tanks, 31" BF mud's.
Real Name: Andy
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Sat May 07, 2016 8:00 am

I'm sure it's all been done before but can't recall anyone here having done it. The 3RZ is a notoriously tough and reliable motor, so I assume that for the best part it should be able to handle it and with the correct re-mapping should give significantly more power and thus better fuel consumption, if as you say you keep control of your right foot.

One thing bothers me a bit and it's common to most motors today - they're built so compact that the amount of meat between the cylinders is very small, and with the higher compression achieved and this already being a weak point in the gasket might tend to blow with standard gaskets.

I would personally be more inclined to go the route of supercharger rather than turbo, and as you say, keep the 'boost' on the lower side.
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Chris Jordaan
High Range 2WD
High Range 2WD
Posts: 27
Joined: Sun Apr 03, 2016 12:39 pm
Town: Oudtshoorn
Vehicle: 1993 4x4 Hilux
Real Name: Christo

Sun May 08, 2016 3:48 pm

Need as little as 5psi boost. Have a 3ct already in my bakkie that went. Difficult to get spares for it so i can use its turbo.
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