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Hi there Can anyone tell me if this is the big' brake booster fitted to the HG or the standard one?  Cheers Jeremy |
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There is no big or bigger master cylinder fitted to these models. They all have the same 1-inch diameter bore size.
The one picture is the common aftermarket PBR alloy type & is probably the most common out there. The factory original type has a cast iron body & a big nut fitted to its front face. This is purely for identification of the factory original type for the concours purists.
There is no performance difference.
Dr Terry |
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As far as I know there were 2 boosters ie, Power assisted drum brake and Power assisted disc brake, with the master cylinders being the same, yours is the standard field replacement. A single diaphram booster for power drums and a double diaphram booster for power discs, the drum booster is about half as thick as the disc one. The one in the picture is a disc brake booster. Edited by user Monday, 21 September 2009 7:47:32 AM(UTC)
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quote:
Originally posted by Dr Terry
There is no big or bigger master cylinder fitted to these models. They all have the same 1-inch diameter bore size.
The one picture is the common aftermarket PBR alloy type & is probably the most common out there. The factory original type has a cast iron body & a big nut fitted to its front face. This is purely for identification of the factory original type for the concours purists.
There is no performance difference.
Dr Terry
Shows what can occur if you dont read the question properly. I was talking brake master cylinders, while Jeremy was asking about brake boosters. Silly me !! As 80569K has correctly pointed out, there are 2 different size boosters, the larger (dual diaphragm) type which was factory standard for all disc braked cars & the slimmer (single diaphragm) type which was optional for those with 4 wheel drum brakes. The one in the photo is the correct one for disc brakes. Dr Terry |
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Thanks gentlemen
Its all starting to look OK.
Just hope its all in good nick after sitting still for 7 years!!!
Cheers and thanks again.
Jeremy |
The G will roll again.... eventually |
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