Tech

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TR4A gearbox installation

After installing the new clutch that I purchased from Moss Motors it was time to slide the gearbox back in.  While trying to line up the nose of the gearbox to go into the clutch it became apparent that the rear of the gearbox would not drop down due to the front of the drive shaft. …

Supercharged!: Installing the New Moss Triumph TR6 Supercharger System

Regular British Motoring readers know that over that last few years, Moss Motors has been at the forefront of a new trend: retrofitting British classics with upgraded performance and technology. Modern overdrive transmissions, tubeshock conversions, electronic fuel injection systems, and a variety of supercharger kits have reinvigorated and revolutionized the sports car hobby. Classic car…

How Generators Do & Regulators Ought To

Most people first learn about generators at night on a back country road in the middle of nowhere. (Actually, about 100 yards from a house, but the middle of nowhere is so much more depressing.) You have one of those “English sports car needs minor electrical work” from the classified ads. Oh, the man who…

Bob’s Garage – Spring 1987

More tips! This is the technical tip issue for Bob’sGarage. I have a number of tips, some based on comments and suggestions, and others which were sent in by customers. They all have one thing in common. We haven’t had room for them in previous Moss Motorings, so I thought I’d lump them together in…

Sill Replacement

The fact of the matter is that almost 90% of older British sports cars are in desperate need of floor and sill replacement. Anyone with the desire can take a few classes at a local vocational school and learn to weld in a short time. With the rising costs at restoration and body shops you…

Carburetors – SU vs. Weber

The choice of carburation has really become confusing. Each carb. Type offers its own combination of advantages and disadvantages. To clarify some of the confusion, we will be running a test series using a street driven 1975 MGB as a guinea pig. There won’t be winners and losers, the idea is simply to give you…

Removing Caliper Pistons

A Plug for Calipers When rebuilding disc brake calipers, your shop manual or other service instructions probably recommended removal of the pistons by using pressure from the hydraulic system. However this method is not only messy, but inhibits the work by allowing removal of only one piston at a time. It also forces you to…

SU H-type Rebuild Kits

After installing a re-build kit in an SU carburetor (especially an H-series) it is sometimes impossible to achieve a sufficiently lean mixture by manipulation of the mixture adjusting nut alone. Before resorting to the quick and make-shift solution of lowering the needle in the piston, examine the sketch below carefully and compare the actual carburetor…

Carburetor Dashpot Oil

Poor acceleration and “sputtering” during acceleration may be due to a low oil level in the carburetor dashpots. Automatic transmission fluid works well in some carbs, but not in others. The old recommendation of “the same oil as used in the engine” is a good place to start. If this gives too lean a mixture…

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