Wednesday 6 April 2011

1965 MGB roadster - rolling again

Another project Ive not mentioned since last year, is the 1965 MGB roadster. After the body was painted, the underside was given several coats of a high quality stone guard, and the sills, doors and all the box sections were injected with copious amounts of cavity wax. It was then time to start rebuilding some mechanical parts to get the car back on its wheels. The rear axle and differential were fully rebuilt with all new bearings and seals, and refitted to the car with all new bushes and bolts. The front subframe was fully rebuilt in a similar manner, replacing any parts that were past there best, and anything good enough to re-use was thoroughly cleaned and painted.
With the car now rolling on a set of 'slave' wheels, the slightly nerve wracking job of fitting new stainless body trims was undertaken. The results are pleasing, and its certainly nice to see the 'B' looking more like a car again.
The most recent task has been the rebuilding of the engine. The engine being used is a later 5 bearing B series, with a few minor tweaks. As usual, everything was checked, and anything that needed to be replaced or machined was. The engine is bored +30 with new pistons, the crank was polished, all new bearings were fitted and the flywheel had a new ring gear fitted. The cylinder head has been mildly re-worked to improve breathing, and a fast road camshaft has been fitted along with new timing and rocker gear.

The next job is to rebuild the gearbox, and then both engine and gearbox can be fitted back into the car.

Triumph Spitfire competition car - latest news

Its about time I wrote whats been happening with this project, since I introduced it last year.
Once stripped, the body was fully sand blasted, as was the chassis, and then given a coat of primer to stop surface rust forming. The body was then bolted back onto the chassis to keep everything in alignment.
I wont bore you with all the details, but quite alot of the shell was replaced, both floor pans, the inner A panels, inner and outer sills, rear valance, o/s rear wing not to mention numerous repairs to various other small areas. The inner sills which are just a flat sheet of steel, were cut from much thicker material than standard, to hopefully add a little rigidity to the bodyshell for its competition future.
Once all the welding was done to the body, it was time to weld in strengthening plates to take a bolt in FIA legal roll cage. As well as making the car legal for whatever form of motor sport the owner chooses to take part in, it also adds some much needed stiffness to the whole structure.
The body is now removed from the chassis, and the next stage will be to paint and build up a rolling chassis, with new parts where needed, and various modifications to tame the handling.