Phil Robson
Well-Known Member
My V8 has been seriously jerky when under load, particularly at higher speeds for a while now so I decided to investigate.
I've replaced the fuel filter which seemed to be less than free-flowing, but that didn't help a great deal. I then deduced (with my limited technical knowledge ) that it may be the vacuum advance on the distributor, because if the car was 'coasting' there was no issue; only problems under acceleration. Having a closer look, there were splits in the rubber elbows of the vacuum pipe & also sucking on the pipe saw no resistance!
I have a spare engine with distributor attached, which I have now removed & put into my car. However, whilst sucking on the pipe clearly now has vacuum resistance, it does not move the baseplate. Should it? Am I on the right lines?
Of course, now I can't start the car although I suspect, as with a lot of things in life, that's just a matter of timing!
I've replaced the fuel filter which seemed to be less than free-flowing, but that didn't help a great deal. I then deduced (with my limited technical knowledge ) that it may be the vacuum advance on the distributor, because if the car was 'coasting' there was no issue; only problems under acceleration. Having a closer look, there were splits in the rubber elbows of the vacuum pipe & also sucking on the pipe saw no resistance!
I have a spare engine with distributor attached, which I have now removed & put into my car. However, whilst sucking on the pipe clearly now has vacuum resistance, it does not move the baseplate. Should it? Am I on the right lines?
Of course, now I can't start the car although I suspect, as with a lot of things in life, that's just a matter of timing!