Egr

[Harte3]

Some years ago I used a piece of steel brake line to replace the choke heat tube. They tend to corrode off right at the point where they exit the manifold.

[kernel-panic]

Originally Posted by santaak

Can anyone tell me what year ford started putting the EGR system on The 300 six in a F150?
Thanks

1975, in F-series trucks with the 240 and 300 six. About the same year as the crossover from points ignition to DuraSpark electronic, if I'm not mistaken.

[81-F-150-Explorer]

The 240 was discontinued after the 1974 model year.

First year of Duraspark-I was mid to late 1974 models.

1975 seems right for the EGR Valve, with a couple of years earlier for california.