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