I am in the process of restoring a 1971 MGB and tha air rail on the car would need to be replaced. I have seen many photos of engine compartment that do not have the air rail installed. What does it really do and does it need to go back on.
1971 MGB - Air Rail
Dec 17, 2003
2 Replies
It is part of the pollution reducing gear fitted to these engines in that period.
Pollution gear may be required to comply with local laws where you live.
I suspect that you cannot remove it on its own, there may be other modifications that need to be made.
Post your query at
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> 'MGB Technical'
Plenty of helpful and knowledgeable people there.
Ian F
they were next to useless and reduced power. They can simply be removed and the holes in the cylinder heads plugged with allen-head bolts - worked on mine anyway!
Neil
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