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page 14
http://www.volvoclub.org.uk/pdf/brochures/Volvo1989.pdf

A 3 port mbc is a bleed valve. It leaks the air out of the wastegate line until the pressure overcomes the leak and activates the wastegate actuator. What you've done by blocking one port up is put...

Right, clocks.....

The clocks are essentially the same, but with a boost gauge. The only thing I really needed to fit was a vacuum pipe from the tree on the inlet manifold, which was easy enough,...

Getting on okay at the moment, I'm still adjusting it in small amounts to find a happy setting. Seems to be a bit less aggressive than it was at first, dunno whether the ecu has adapted, or I've got...

If you PM me your reg I can check it out in the morning and get you some good prices too

I guess you have aircon being a 100 amp alt?

shaun

Might be crap from the PCV system. When it gets old it usually spews oil and other crap into the intake system.

There's plenty of info on here about cleaning/replacing the PCV system, just do a...

Proper little bargain there , and your MBC is on its way tomorrow morning ;)

Thats right bud, but also a different saddle fuel tank which sits across the propshaft/tunnel, exhaust system which is straight through from the cat to the rear bumper where there are two boxes just...