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Triumph TR6 - Cancelling the EGR Valve

fuel pump
C Suarez

The EGR valve does not tie back in to the crankcase. The valve itself is mounted to the cylinder head on the affected TR6s and has a pipe that runs from it to a port on the intake manifold and pulls exhuast gases from the top side of an exhaust port, kind of an unusual set up compared to most cars fitted with EGR valves. The purpose of the EGR valve is to recirculate some of the exhaust gases back in to the intake system in order to reduce the emission of various nitrogen-oxygen compound emmissions. This particular bit of emmission control equipment was only found on the 1974 and later TR6 carburettor cars.

To get rid of it, you will need to remove the EGR valve from the head and find a suitable threaded plug to fill the hole. On the intake manifold side, you can either find a suitable plug to replace the pipe and nipple where it attaches to the fitting on the manifold or remove the fitting on the manifold and replace it with a suitable plug.

SteveP

Anybody able to supply info on the exact size and thread of the plug to use in the head?

Bob
1976 - TR6
Bob Evans

suspensionve and Bob for your interest.
I thought that it was a breather for the crankcase.

Bob, don
C Suarez

This thread was discussed between 12/03/2007 and 13/03/2007

Triumph TR6 index

This thread is from the archive. The Live Triumph TR6 BBS is active now.