Tech

Ring Gear Replacement

Barbecued Ring Gear To replace a worn ring gear in your British sports car, fire up your backyard barbecue and invite a friend over. Ingredients: 1 flywheel with old ring gear attached 1 New ring gear 1 Five pound sledge hammer 1 Steel chisel 1 Pair of vise grips 2 Wooden or steel blocks about…

Timing Cover seal Installation

If your big six is leaving misty tracks on the bonnet and frame in line with the crankshaft pulley, take heart. The cure is not painful. First, purchase a new timing cover gasket and a new oil seal. 100-4 uses Moss #021-051, 100-6/3000 uses #535-111. Special tools include a 1 -11/16 inch socket with a…

Stop Smoking – Oil Pressure Problem

Does your Austin Healey smoke? Burn oil? Have less than 15 pounds oil pressure at idle? Have less than 45 pounds oil pressure at 55 mph? If you have the smoking and oil pressure problem, here is a diagnostic procedure that could save you an engine rebuild and a few thousand dollars. Drive your car…

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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…

Carb 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…

Diagnosing Clutch Problems

Clutch problems fall into three categories: a)  The clutch does not release properly when the pedal is depressed, resulting in difficult engaging of gears. b)  Clutch slip, a condition where the engine speed increases when you give the car gas while in gear, but the car does not speed up accordingly. c)  Clutch judder, where…

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Conventional vs Silicone Brake Fluid

Today’s current Lockheed “Universal”, Girling “LMA”, and silicone brake fluids are so vastly superior to the old Girling “Green” and “Crimson”, and Lockheed “Heavy Duty” fluids originally specified for most of our older British sports cars, that it would make no sense to use the older types today, even if they were still available. The…

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TR4-6 Steering Column Wobble

Does your steering column flex when you pull up or down on the wheel? If so, check the flexible rubber steering column couplings first. If these appear to be in good shape, check the lower mounting bracket for cracks. It is located below the dash where the column passes through the firewall. You may have…

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A Weak Differential Mount: Fixing a Common TR6 Problem

The Triumph TR6 is a fun car with enthusiastic owners, but it does have one weak spot that sooner or later must be addressed: the differential mounts. What’s the problem? They’re prone to cracking. If not attended to quickly, the differential mounting studs eventually rip out of the frame. It’s understandable since they’ve been subjected…

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Pertronix Ignition—a Modern Solution

A Pertronix Ignition Is A Quick, Inexpensive, Efficient Upgrade On the surface, it almost seems too good to be true: a proven ignition upgrade that’s inexpensive, totally concealable and easy to install. And once installed, no regular maintenance is required. Meet the Pertronix Ignitor. A little black box replaces the traditional ignition points with a…

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