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Home > General Chat > std valve sizes?

AlexF2003

5795 Posts
Member #: 80
AFRacing LTD

Newbury, Berks

3rd Jan, 2004 at 12:08:24am

Is this right?

MG Metro inlet 35.5 ex 29.4

mg turbo inlet 33.3 ex 29.4

I sure do hope so!

alex

AlexF

andeh

User Avatar

982 Posts
Member #: 97
Post Whore

Near Daventry, midlands

3rd Jan, 2004 at 03:38:19am

im certain all the valve sizes are correct appart from the turbo exhaust valve, im not sure if it wasnt a little bigger *oh well*

I've seen the future and tbh its Pie


AlexF2003

5795 Posts
Member #: 80
AFRacing LTD

Newbury, Berks

3rd Jan, 2004 at 08:22:09pm

right

they are correct but some mg metro heads have exactly the same size valves as the turbo head.

The sculpted areas around the rocker cover, thermostat and heater tap can be the same too.

So the only way to tell seems to be:

exh valve stems are about 8mm not 7mm like the inlets and all other mg heads.

The bypass hose is blocked off with a screw on mg heads and none-existant on turbo heads (ie that area is blank/smooth).

alex

AlexF
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