MGB GT restoration: shot blasting the body shell

This white MGB GT was sold by us in the summer of 2018. Being a 1970 model, it had the typical rare split rear bumper set up, exclusively fitted on the MGB in that one model year. This was a good driver quality car, with a few cosmetic flaws. Although it was the new owner's intention to treat the car to a thorough restoration, he first enjoyed the car as a daily driver during the summer months.

 

When autumn came, it was time to strip the car completely. The naked body was mounted onto a rotisserie before being brought back to us. We were on a mission to get the car completely rust free. Starting by chemically and mechanically stripping paint off vulnerable areas, the car was then degreased and steam cleaned. Ready for the next step: shot blasting.

 

As expected, we did not unveil a lot of rust damage. Other than the sills and lower front and rear fenders, the MG was still as good as rust free. After shot blasting, the clean metal received 2 coats of epoxy primer. This ensures a high-quality build up, while also keeping moist outside and protecting the metalwork. The owner will now proceed with welding in new sills and repair panels and rebuilding the drive train.

When restoring a car, it is essential to apply a durable paint system. Multiple layers of old paint will often hide rust problems or bad repairs underneath. Due to different chemical substances and levels of flexibility, these old coats often do not interact well with a new paint system. Common medium to long term problems include blistering and cracks, while chemical interaction can lead to lifting or wrinkling during the application process. Starting with clean metal and being precise and thorough in your approach will help the DIY restorer achieve a professional, high-quality result. Dandy Classics can help you start off with a clean canvas for your DIY restoration. We have our own media blasting facility and paint booth.

Looking for an interesting project car to restore? Take a look at our current collection of classic cars for sale.

 

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MGB aankooptips chroom rubber bumper

MGB buyer’s guide

The MGB is still widely regarded as the most popular british sports car. For a good reason, we think. The B combines elegant looks with good driving characteristics, reliability and serviceability. Thanks to its high production numbers, the MGB is still a very affordable classic car.

MGB aankooptips chroom rubber bumper MGB GT aankooptips

 

Which  MGB to buy?

With a production span of nearly 20 years, there are plenty of different versions available. Most distinctive are chrome/rubber bumper cars on one side, and roadsters / GT's on the other. Which car is most suitable really mostly depends on your personal preferences, expectations and budget. The most valuable are early pull door handle roadsters, especially with the desirable overdrive option. These have the most classic look, with their slated grille and metal dashboard. The early cars with their 3 bearing engines are more popular among purists, although the later 5 bearing engines offer improved durability. MGB GT's are generally more affordable than roadsters, although the gap is closing. The cheapest cars on the market are RHD rubber bumper project cars. Please bear in mind that the cheapest car will usually turn out to be the most expensive car in the long run. If you decide to take on a project, it would be wiser to invest in an earlier chrome bumper car.

 

Rubber bumper or chrome bumper?

This is mostly a matter of taste and budget. Personally, I think the rubber bumpers suit the B pretty well. They are part of automotive history and give the car a distinct seventies look. But there is more to it than looks alone. The rubber bumpers were introduced in 1974, to comply with the stricter US safety regulations. The impact-absorbing bumpers needed to be placed at a certain height, for which the MG engineers had to raise the car a couple of centimetres. Early rubber bumper cars have pretty bad handling, which was improved in 1976, when MG added a front anti-roll bar. Also, emission standards got stricter and stricter, forcing British Leyland to fit the outdated B-series engine with power-consuming emission equipment. Exhaust fumes were pumped back into the inlet manifold, leading to less polution and less power. While early MGB engines offer as much as 96 hp, the latest versions are closer to 80 hp. These engines also have smaller valves and lower compression. Removing the emission equipment improves power, but more significant increases are realised by replacing the single Stromberg for a double S.U. or single Weber setup. The rubber bumper cars can be converted to chrome bumper, but this is not very easy, as it involves cutting, welding and (at least partial) refinishing.

 

Body inspection

Most important on your buying inspection is the condition of the unibody structure. Especially the sills are prone to rust, causing a loss of structural integrity on roadsters especially. Be aware of signs of body filler, polyester, bad welding and high paint film thickness. Also don't forget to check the inner sills. Other weak areas are the front box section where the front wings are mounted. Front and rear fenders get crunchy at the lower parts, behind the front wheels and before the rear wheels. Roadsters in particular can get rusty floor boards, but replacement panels are inexpensive. Also, the rear wheel arches can be affected by tin worms.

Most MGB's will have had a respray at least once. This is not particularly bad, as long as you are aware that a shiny paint job can hide a lot of misery. Pay close attention to seams, panel fit and, if possible, use a digital film thickness gauge. A magnet can also reveal hidden areas with lots of body filler.

 

Technical inspection

MGB's in general have sturdy mechanics and are easy to work on. Focus on the mechanical condition of engine, gearbox and differential, as all the rest is relatively easy and inexpensive to fix. Check the oil pressure on a cold and warm engine, be alert of mechanical noises (the pushrod engines can make a bit of tappet noise, which is unharmful) and if possible, check the compression. Although MGB gearboxes tend to be durable, they are likely to need a rebuild after 40 years of use and abuse. Check for rattling sychromeshes and noisy bearings. Service and wear parts are readily available and can be ordered directly in our webshop.

 

MGB restoration

These classics are relatively easy to restore by a skillful and persistent amateur. Mechanics are simple and straightforward and parts are easy to source and affordable. By definition, a restoration involves the complete strip down of a car, building it up with replacing or restoring every single part. The biggest challenge of a restoration is often the unibody structure. As most, if not all, panels can be bought, even the most rusty B can be brought back to as new condition.

 

MGB's for sale at Dandy Classics

We always have a number of MGB's in stock. Project cars, as well as good quality drivers. Take a look at our collection to see our actual stock.

 

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MGA frame restoration

MG MGA chassis frame restoration

MG MGA 1600 roadster

 

Having started the restoration of our 1960 MGA 1600 roadster, the first step is in restoring the MGA chassis frame. This was quite the challenge, as the chassis had suffered from severe corrosion, and various attempts to keep the rusting metal together. With a methodical approach and some perseverence, we saved this chassis from the scrapheap and turned it back to as-new condition.

 

Step 1: chassis preparation

As this car had already been disassembled by the previous owner, it only required a couple of bolts to be removed. No surprise they had been stuck, after almost 60 years. WD40 and some heat solved the problem. Next, we welded an X-cross in place, using leftover pieces of square steel tubing. This serves to keep the structural integrity of the frame intact, before removing large sections of the side rails. Of course, before doing all this, we made sure that the frame's dimensions were still intact. Luckily, there was no sign of bending or collision damage.

MGA chassis frame restoration 

With the strengthening tubes now in place, sections of the frame side rails and the rotten round tube at the rear were cut out. This would allow us to actually clean out the inside of the chassis, as far as we could. Imagine a rusty piece of metal that is only shot blasted on one side - there will be a risk of further corrosion from the inside, especially when the inside metal is full of rust flakes.

 

Step 2: shot blasting

Everything now neatly prepared, it was time to get the MG chassis back to bare and clean metal. As we suspected, a lot of rust flakes came out of the inside of the side rails. All small bits and pieces belonging to the MGA frame were cleaned as one batch. Shortly after the media blasting, we applied a thin coat of red oxide primer (weld-through primer), to prevent the surface from rusting any time soon.

Chassis rear tube MGA 1600 MGA chassis media blasting

 

Step 3: welding the MGA chassis

MGA frame restorationTime to turn the solid bits of metal back to a structurally strong MG chassis. We started by removing the square crossmembers and side rails (one side at the time, as to prevent the frame from bending). The crossmembers were fabricated in-house. For the side rails, we used reproduction repair pieces, and made the non-available sections ourselves. The round tube at the rear of the frame was replaced from side to side, including repair work to the end of the side rails. The front round tube had been severely dented, as this is actually the lowest part of an MGA chassis. This was resolved by installing an air valve and slowly heating up the tube, while putting the inside under pressure. Finally, new floorboard rails were welded in place.

MGA chassis beam repair MGA chassis frame restoration welding MGA cross tube repair

Step 4: preparation and paint

After grinding out the welds, it was time to prepare the chassis for the paint shop. Everything was sanded by hand and thoroughly cleaned. Next, it was sprayed in a protective 2K epoxy primer, after which some of the seams were sealed. Finally, the frame received a shiny new layer of 2K black paint, with a gloss finish.

MGA chassis epoxy primer chassis black paint MG A

 

Looking for a project car to restore?

Classic cars for sale project car

Dandy Classics offers a collection of barn find british sports cars for restoration: MG, Triumph, Jaguar and other makes. Many of our customers enjoy the process of completely restoring their own dream car, slowly bringing it back to perfect condition. Are you considering to embark on an epic restoration project by yourself? Take a look at our collection of classic cars for sale.

 

 

Parts for your MGA

MG Triumph parts shop

Spare parts for your MG and Triumph sports car can be ordered directly in our webshop. We have our own stock of service parts and offer fast and cost-efficient international shipping. Go to our webshop or contact us with your parts requirements.

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MG TD restored

This red MG TD was bought by us in California back in 2015. The car at that time was a running, unrestored project car with a solid chassis and body. We sold the car to a Dutch MG enthusiast, born in the same year as the car: 1952. Having restored several classic cars before, owning an MG TD had always been a dream for him.

unrestored MG TD classic car 

 

MG TD restoration

The dream became reality with the purchase, but it also meant that he would need to put in a lot of effort to make the car pristine again. Although the MG was still well preserved, it needed to be completely restored. That is why the car was completely disassembled and rebuilt with a lot of dedication and attention for detail. It is noteworthy that everything was done in-house, with the exception of bead blasting and spray painting.

chassis restauratie MG TD chassis MG TD straalwerk oldtimers

restauratie MG TD houtwerk body MG TD onderdelen

motorrevisie MG XPAG TD interieur onderdelen MG TD

The TD now looks great and is ready for it's 2nd youth. Clearly a result to be proud of.

 

MG TD model history

MG TC MidgetThe 1950 MG TD Midget was an evolutionary model in the T-series, which originated in pre-war TA and TB sports cars. Because of their conservative design and construction, these MGs have a nice classic look. The Abingdon factory used a modified ladder chassis and a body with an ash wood frame. Due to the low weight and at the time modern front suspension (used in modified form until 1980) the car had good handling characteristics. A point of criticism however was the meagre performance of the 1250 cc XPAG engine. MG took the criticism seriously and improved the engine with the introduction of the TD Mk2 competition. In total, almost 30,000 MG TDs were produced; only 1700 of them were Mk2s. The TD was succeeded in 1953 by the further modified TF, which was replaced in 1955 by the all-new MGA.

 

Classic MG sports cars for sale at Dandy Classics

Dandy Classics has a collection of british sports cars for sale. Are you looking for a project MG to restore? Or do you prefer an already restored car that is ready to be enjoyed? Take a look at our current collection.

 

 

 

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MGB lepeldeur te koop

New arrival: 1964 MGB pull door handle for restoration

MGB 1964 MG B zu verkaufen

A new addition to our project car section: 1964 MGB 'pull door handle' roadster. This iris blue MG was left untouched for a long time. It comes with its original engine and 4 speed gearbox. We acquired this car in the mountains of Montana, USA. In need of structural work, but these early MGB's are the most interesting version to restore.

More information...

 

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