SU Carburetors – Send them out or rebuild them yourself?

SU carburetors have been popular since the end of World War II. Although they were used widely before the war, … More

Day 64 – Fuel & Air

Fuel & air, both critical components in making the car work, and areas I’ve made some more progress on in … More

A spark plug check after a good run out – May 2022

A good indicator how well the engine is running and the general condition of the engine can be seen from … More

MGB / K&N air filter mod

I really want to enjoy the benefits of a K&N air filter but at the same time keep the engine … More

MGB Stainless Steel Fuel Tank Fitted

Job done and tank fitted back under the car. It looks good from under the car and also from the … More

Fuel tank removal

Following on from finding and cleaning a stainless steel fuel tank at …… https://mgb.tips/2020/11/07/stainless-steel-fuel-tank/ The removal of the old fuel … More

Stainless Steel Fuel Tank

Spotted a stainless steel fuel tank for sale on eBay – it looked pretty ropey as it was covered in … More

Octane and Power

It’s a common misconception amongst car enthusiasts that higher octane = more power. False. Its not black and white. The … More

What’s your Poison?

Is alcohol in your fuel going to make your car sick? What’s your Poison?

Weber DGV Carbs on MGs | Bradley Restoration

The Weber DGV was originally designed for a 6-cylinder European Ford. It is quite tuneable and extremely reliable, making it a very popular carb … More

MGB Gas Tanks | Bradley Restoration

Even after years of working on or beloved LBCs, you can still overlook something and get bitten in the rear… … More

Overtightened K&N Filters

Prevent overtightening the K&N filter cover plate – which it’s easily done – can cause the filters to collapse. This … More

Releasing the carbs …. MGB-GT Restoration

Having established at the weekend, with Matt’s help, that the carburettors were blocked, and having consulted the ‘MG helpline’, A.K.A. … More

HS2 HS4 and HS6 Carburetter Dismantling – SU Carburetters

In 1905 Mr. George H. Skinner took out a patent for a carburetter in which both the air and fuel … More

Relocating Fuel Filter #MGB

I recently relocated the fuel filter back to its original position – lying horizontal on the rear bulkhead – having … More

New fuel sender unit for the MGB GT gas tank — 1967 MGB GT

I previously tossed out my 1967 MGB GT gas tank as it had many small pinholes on the top. Attempting … More

HIF Carbs – MGB Register Forum

“Anyone who runs twin SU HiF carbs and finds them tough to tune should have a read of this from … More

Checking fuel mixture on #MGB

Below is an extract from the SU Carburettor Manual downloadable at https://mgb.tips/2019/02/09/downloadable-tuning-su-carbs/ The procedure also applies to HIF carbs as … More

K&N Performance Air Filters

K&N say ……. K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media, engineered to … More

Everything you need to know about using E10 fuel with your classic car

It sounds like an additive found in food but from next year E10 will be causing headaches for hundreds of … More

MGB SU Fuel Pump Leak

I recently replaced the fuel pump and although i thought i had tightened the banjo fittings enough there was a … More

#MGB Carb Balancing

I had been running on a pair of early HIF4 carbs – AUD616 to test out the benefits of ported … More

Fuel Pump Test and Replacement

The last few drives i noticed that the engine has started stuttering a bit when accelerating. I had been planning … More

Cleaning the K&N Air Filters on an MGB

The K&N filters came already fitted to my MG so i do not know how old or how many miles … More

Checking Spark Plugs for Mixture

I had a good run in the MG during the week so thought a good time to check the plugs … More

MGB Technical Service Bulletin – Throttle Cable

A useful piece of information but will not apply to all cars. Looks like it was issued in 1973 and … More

E10 petrol and our MGs

E10 petrol and our MGs – MGB Register Forum An interesting post i found in the mgb forum about this … More

#MGB Power Recipes

An excellent book that looks at many different options of power tuning the MGB with results backed up with dynomometer … More

Gunsons Colortune

My old Colortune kit come in handy again to set mixture on the carbs I have recently fitted. Had the … More

Choice of Fuel for the #MGB

Most UK MGBs are standard high compression (HC) engines of 8.8:1. The above book states that fuels below 98 octane … More

K&N Filter mounting mod on my #MGB

When tuning the carbs on the car you are supposed to lift the piston by 1/32″ (0.75mm) using the lifting … More

HIF4 SU Carb Tuning & Servicing Download

For the full document click the link below:- https://documentcloud.adobe.com/link/track?uri=urn%3Aaaid%3Ascds%3AUS%3Ab139272f-fd52-4572-b2fb-aa75cde27f3d Just noticed that item 9 on the pic refers to the … More

MGB Carb Heatshield Insulation Pads Replacement

These insulation pads had long gone missing on my motor and possibly originally were probably asbestos!!! I found some similar … More

Tuning for performance and diagnosing faults with a vacuum gauge

I’ve set the timing on my MGB using the vacuum gauge to great effect but not used it to adjust … More

SU Type HIF Carburetter – Dismantling, Inspection, Assembly and Tuning

I am in the process of stripping down and ‘re building a couple of HIF4 carburettors – AUD616 model which … More

SU Carb Mods for Track Days

An interesting paragraph in the excellent book in the picture about tuning SU carbs for the track. It suggests to … More

SU Needle Comparison Chart

http://www.mintylamb.co.uk/suneedle/ A useful database to compare needles. I used it to check the 3 sets off needles that I have … More

Tuning the SU Carbs – upgrades4mgs

https://www.mginfo.co.uk/upgrades4mgs/Engines/tuning_the_su_carbs.html An excellent article that I am following to modify and tune a spare pair of hif4 carbs I have … More

Modifying SU Carbs

I have a spare pair of SU carbs that I have been considering modifying which this thread from TenTenths Motorsports … More

MGB Fuel Filter Location

During the first year of ownership of my MGB there were 3 instances when the car lost power as if … More

A guide to unleaded additives – Classic Car How To Guides and Articles

An interesting article about the use of unleaded fuel and classic cars. Interestingly Tesco high octane fuel comes out well … More

AUD616 SU MGB HIF4 Carburettors – with vac port.

Won these two rare carbs off eBay. They are the sort that have a vacuum port for the distributor advance … More

HIF4 carbs (AUD 616) as fitted to early rubber bumper MGBs

Parts for AUD 616 for MG M.G.B 1798 cc – SU Carburetters – SU Carburetters This is the carb that … More

SU Carbs Vac pipe take-off

SU Carbs Vac pipe take-off Where is best place to take the distributor vac advance – from the manifold or … More

For anyone who runs twin SU HIF carbs

Anyone who runs twin SU HiF carbs and finds them tough to tune should have a read of this from … More

Checking Fuel Pump Flow

I recently suspected that the fuel pump was not working correctly as there was high speed clicking – guess about … More

Old vs New Octane Ratings

Fuel System & Octane Ratings I have started using the premium fuel since re-timing my engine and finding out it … More

Vacuum Advance Connection HIF 4 – carb or manifold?

Vacuum Advance Connection HIF 4 | MG MGB Technical | MG-Cars.info Quite a debate on the merits of manifold or … More

Classic Car Hub – Guide to setting up and tuning SU carburettors

Classic Car Hub – Articles- Guide to setting up and tuning SU carburettors a short but comprehensive guide on how … More

Alternative ways to balance carbs

Found on the mg-cars.net website now called BBS at https://www.mg-cars.org.uk/ Makes you wonder with the second option just to unscrew … More

Removing twin carbs as one!

An advantage of fitting the K&N filters – apart from the performance gain – is that you can remove the … More

Repositioned MGB fuel filter

As per a previous post i have decided to move the fuel filter into a position that it can be … More

SU carb needle id tag

There are so many different needles available for the SU carbs so just to remind me (and and future owner … More

Which SU needles should I be using?

https://www.mgocspares.co.uk/acatalog/carbneedles.pdf carbneedles.pdf Whilst putting carbs back on the engine thought I would just check which needles were in them. AAA … More