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2H Rocker cover vent.
Posted: Mon Aug 16, 2004 1:55 pm
by sambo
I have moved my throttle body to after my turbo on my 2H, can i still put the rocker cover vent pipe onto the side of the throttle body. the turbo will then be putting 9-10psi in the rocker cover.
How is it done on a 12H-T.
Posted: Mon Aug 16, 2004 5:03 pm
by carts
you need to move the crank case breather into the air inlet line between the turbo and the air filter.
As you state, pumping 10 psi into the crankcase is not advisable as it isn't achieving what it is supposed to do, which is recirculate oil vapour etc...
Most aftermarket turbo kits allow for this in the new pipework. You also need to block the current crankcase breather inlet into the throttle body, so boost does not escape into the atmosphere!