Hello from the Philippines

Old 11-30-2012, 08:43 AM
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Default Hello from the Philippines

Hello, I'm dusky lim.

I'm a turbo newbie and I'm working on my 1st turbo-install a vnt onto my diesel pickup - Mazda B2500.

Hoping to learn from your experience and wisdom.
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Old 11-30-2012, 08:50 AM
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Welcome to the forum duskylim

Enjoy the stay!
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Old 11-30-2012, 09:34 AM
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Default kamusta pare

would this be your daily car?
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Old 12-01-2012, 02:14 AM
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Default My project - N.A. B2500 conversion to turbo

Hello again.

Thanks a lot for the warm welcome, much appreciated.

Yes this will (eventually) be my daily driver.

The engine is a WL-31, the naturally-aspirated version of the WLT-31 (turbo version), installed on the South East Asian version of the Ford Ranger diesel.

Here in the Philippines the Ranger is a mini-truck (<1 ton class) with a crew cab body.

The WL-31 is a 2.5 liter, 12-valve, overhead-cam, inline 4 diesel with turbulence chambers and a Bosch VE-type distributor injection pump.

The pickup comes with a 5 speed manual transmission and the redline is a respectable 5000 rpm.

The WLT-31 is the turbo version.

The 2 engines share the same cylinder head, valves, camshaft, crankshaft, connecting rods and oil pump.

The main differences are:

1) the turbo engine has deeper pistons with oil galleries in them and a slightly lower compression ration 19.8:1 vs 21.6:1 for the N.A. engine.

2) the turbo engine has 2 counterbalance shafts and extra drive gears for them, which the N.A. engine does not have.

The standard turbocharger for the WLT-31 is an IHI RHF5 with water-cooling and an internal wastegate.

I imported a Chinese-made knock off of a GT1849V vnt turbo, along with a 45cmx30cmx76mm intercooler, piping kit and 38mm external wastegate.

The wastegate is set to open at 0.8 bar (11-12 psi) to keep engine stresses and turbo speeds down as well as to reduce exhaust manifold pressure.

I chose the small turbo for very early (off-idle) response and rapid spool-up.

Any advice you can give me will be very much appreciated.

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