MGB Register Forum

I have to disagree Vic. When operating at wide open throttle there is little vacuum anywhere in the induction system. Granted you will probably see some differences on part load between the position just downstream of the throttle and the manifold tapping. After all the function of the vacuum is to ...

I've been using Morris's golden film 20W50 of late (made in Shrewsbury). Its about £28 for 5 litres officially, but a friend of mine has found a source at £11( I think it was an agricultural supplier in Shropshire). I couldn't see anything on the container saying it contains ZDDP so I asked their te...

There was a very good report commissioned by the Department of Transport and carried out by QINETIQ. (a privatised arm of the MOD) It contains a table which shows which materials are compatible with ethanol in fuel. Of metals it says that zinc, brass , copper, aluminium and magnesium are incompatibl...

Keith - For a while the MOT history site showed the test station where a car got its MOT, now that service has been withdrawn until further notice - heavens knows why

https://www.check-mot.service.gov.uk/

Doesn't make a jot of difference to me and I suspect most responsible owners as we intend to continue having our cars tested. My old B is pretty bog standard and would have complied with the 15% power to weight ratio rule anyway. I asked David Pope of the DfT to confirm that if I register as a VHI I...

You have the opportunity to tell the DfT what you think of their decision by signing the following online petition :- petition.parliament.uk/petitions/200995 It was started by David Simister editor of Classic Car weekly. They carried out a poll which found that 55% of classic owners were against the...

Utter madness. If you don't have a test then how do you know there isn't something wrong with your car. My 1971 B failed this month on an imbalance of braking effort across the rear axle. It turns out one of the pistons was seized in the wheel cylinder. I didn't know, it felt fine to me. We are talk...

Sorry to disagree with you Peter, but a 060" overbore only results in an increase in piston area and hence capacity of of 3.8%, so cannot be responsible for your increase in torque alone. I know Roger Parker also believes in increasing capacity as the route to better performance. I think you wo...

Hi Anthony You are in danger of opening a right can of worms here. I agree with the other posters that the 'correct' (as in factory fitted)distributor for your car is a 45D4 with 41610 advance curve. However if you look at my post from April time (on second page of the board now) you will see its ho...

I should have acknowledged Paul Hunt's Bee and Vee website for the curves. I've added the static to the centrifugal advance to get the total dynamic advance. Still waiting to hear from anyone running Moss part number 12H2772, the 25D4 with 41155 advance curve especially on and early seventies 18V en...