Featured Tech Sessions

We are featuring classic "Tech Articles" on this page. These articles were previously published in NAMGAR's MGA! magazine, and written by Mike Ash, NAMGAR's Technical Editor. We have copied the articles from the NAMGAR book "Tech Sessions from MGA!".

The articles will change every few weeks, so come back to see what topic is being "featured". We welcome your suggestions for subjects you would like to read about in future.

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Photo for MGA! Tech Talk - January/February 2017MGA! Tech Talk - January/February 2017

Technical Editor, Bruce Woodson, discusses the MG pushrod engine, valves, tappets, lifters (cam followers), rockers, and their setup.  Read more


Photo for MGA! Tech Talk - November/December 2016MGA! Tech Talk - November/December 2016

In this issue, Bruce covers several topics including stiff steering, and the maintenance of a banjo style bolt setup carburetor.  Read more


Photo for Keep ‘Em RunningKeep ‘Em Running

I have been working as a professional mechanic since 1974, and my first job was at a Jaguar and Triumph dealership that had recently acquired the MG franchise.…  Read more


Photo for Fuel Leaks from MGA Carbs – How Float Bowl to Carb Assembly Can Be ConfusingFuel Leaks from MGA Carbs – How Float Bowl to Carb Assembly Can Be Confusing

A recent phone call from a fellow CCMGC member brought to my attention the potential for confusion. The member said he smelled fuel when his car was stopped,…  Read more


Photo for LED Tail, Brake, and Turn Signal Lights For MGA 1500, 1600, and 1600 Mk IILED Tail, Brake, and Turn Signal Lights For MGA 1500, 1600, and 1600 Mk II

The LUCAS L549 tail light is fitted to the MGA 1500 and MGA 1600. On the 1500, the single two filament bulb serves as the tail light and…  Read more


Photo for Power Steering for Your MGAPower Steering for Your MGA

Have you ever sat in your MGA having just flush parked it, and thought “it would be nice to have power steering”? A company in the UK, EZ…  Read more


Photo for Cooling! Experiments with my MGA’s Cooling System Part 2Cooling! Experiments with my MGA’s Cooling System Part 2

Part 1 of this article featured Colyn's experiments with a variety of plastic fans. In this article, he explores electric fan alternatives as his quest continues. Single Electric…  Read more


Photo for Recommended Safety & Mechanical Checks for Your MGA Part 3Recommended Safety & Mechanical Checks for Your MGA Part 3

This is the final article of the 3-part series in which NAMGAR's Technical Editor, Mike Ash, discusses recommended safety and maintenance checks on MGAs and Magnettes.  Read more


Photo for Cooling! Experiments with my MGA’s Cooling System Part 1Cooling! Experiments with my MGA’s Cooling System Part 1

I have never had any particular problem with the cooling system on my MGA. Since I got this car over six years ago, it has always run relatively…  Read more


Photo for Recommended Safety & Mechanical Checks for Your MGA Part 2Recommended Safety & Mechanical Checks for Your MGA Part 2

NAMGAR Technical Editor, Mike Ash, continues with his recommended list of safety and maintenance checks for your MGA and/or Magnette.  Read more


Photo for Are Your Curtains (Drapes) Closed?Are Your Curtains (Drapes) Closed?

(Thanks to John Mackenzie of the South African MG Club for this heading). Does your MGA run hot? That’s like asking, “Does the Pope wear a big hat?”…  Read more


Photo for Recommended Safety & Mechanical Checks for Your MGA Part 1Recommended Safety & Mechanical Checks for Your MGA Part 1

NAMGAR Technical Editor, Mike Ash, provides a recommended list of safety and maintenance checks for your MGA and/or Magnette.  Read more


Photo for Rust: Exactly How Does Road Salt Cause Cars to Rust?Rust: Exactly How Does Road Salt Cause Cars to Rust?

This article is written by Daniel Strohl via Hemmings Daily.  Read more


Photo for Flaming Floorboards!Flaming Floorboards!

This is a story about what could happen when an MGA exhaust mounting breaks.  Read more


Photo for RadiomobileRadiomobile

In this article Johanski explores the wonders of vintage MGA radios.  Read more


Photo for MGA Hot Running Issues - Circumstances, Causes and (Some) SolutionsMGA Hot Running Issues - Circumstances, Causes and (Some) Solutions

Written by Tom Aczel, this article is reproduced from the April 2013 edition of Safety Fast. NAMGAR wishes to thank Tom and Andy Knott, Editor of Safety Fast, for their kind permission to publish this article on the website.  Read more


Photo for Tech Talk – MGA Ignition TimingTech Talk – MGA Ignition Timing

Setting Static Timing with Pertronix ignition fitted can be done the same way as when points are fitted.  Read more


Photo for Tech Sessions I - Index. Volume 13 No. 6 thru Volume 29 No. 2Tech Sessions I - Index. Volume 13 No. 6 thru Volume 29 No. 2

The Content Index for all of the MGA! articles in Mike Ash's "Tech Session I" book is listed below for easy reference.  If the article has been posted…  Read more


Photo for Brake Line Flares and Bleed ScrewsBrake Line Flares and Bleed Screws

Brake line fittings on the MGA can sometimes leak. In two separate articles in MGA! (Volume 18, No. 4 and Volume 25, No. 1), NAMGAR members provide input on some solutions.  Read more


Photo for Alternator Conversion for the MGAAlternator Conversion for the MGA

This tech session from Mike Ash, was originally printed in MGA! magazine around September 2000.  Read more


Photo for The Choke by Keith AnsellThe Choke by Keith Ansell

This article, originally published in the MGAnnouncer newsletter of the Columbia Gorge MGA Club, clearly explains how to correctly use the choke when starting a cold MGA.  Read more


Photo for Engine VentilationEngine Ventilation

When an MGB engine is installed in your MGA, or you have an aluminum valve cover fitted to your MGA engine, you need to consider the important factor of engine venting. In this tech article from MGA! magazine, Mike Ash details the changes you might have to make.  Read more


Photo for What is Ethanol Doing to Our MGAs?What is Ethanol Doing to Our MGAs?

This is a subject that is generating much interest lately in the UK, especially with the increase in Ethanol content from 5% to 10% in 2013. The Federation…  Read more


Photo for Generator ServiceGenerator Service

VOLUME 18, NO 2 The oft forgotten oiling point on the MGA is the bush at the rear of the generator. If neglected, the bush can wear and,…  Read more


Photo for Fuel Gauge ProblemsFuel Gauge Problems

Volume 26, No 1 MGAs and Magnettes do occasionally break down on the road.  However, the most embarrassing situation is when you run out of gas.  MGA fuel…  Read more


Photo for MGA/Magnette Choke Cable & Lever AdjustmentMGA/Magnette Choke Cable & Lever Adjustment

If you experience hard starting on your MGA or Magnette when cold, it could be that the choke needs adjustment. Also, if the choke is not correctly set, the mixture when running could be too rich.  Read more


Photo for Speedometer CalibrationSpeedometer Calibration

The MGA was originally fitted with a 4.1 or 4.3:1 differential ratio, while the Magnette has a 4.875 or a 4.55 ratio. Changing any of these to a 3.9 (MGB), or installing a 5-speed gearbox, will affect the speedometer accuracy. In this article, Mike Ash researched the various speedo options.  Read more


Photo for MGA Parking BrakeMGA Parking Brake

The parking brake on the MGA is unusual in that it was designed as a “fly-off” type. Mike Ash learned to drive in an era (not an ERA) when the use of the parking brake, or hand brake as it is known in England, was encouraged at every STOP. Here he describes his rigorous training, the parking brake design, and its adjustment.  Read more


Photo for Electronic Ignition for MGA and MagnetteElectronic Ignition for MGA and Magnette

The standard points and condenser ignition system in the MGA and Magnette are generally most reliable. However, problems do occur when the points gap closes up or a condenser fails. This can be avoided by converting to electronic ignition. In this tech article from MGA! Vol. 23, no 5, Mike Ash describes the installation of the “Igniter” system….  Read more


Photo for Converting the Electrical System to Negative GroundConverting the Electrical System to Negative Ground

Some MGA owners have tried to install a modern radio/CD player, or to use a GPS, which is helpful for touring today. As the MGA is originally positive…  Read more


Photo for Engine CoolingEngine Cooling

For our third featured tech article, we continue with the engine cooling theme. This article from 1995 includes references to thermodynamics, antifreeze/water ratios, thermostats, oil coolers, electric fans, and correct engine fan mounting. We welcome members comments, or questions for Mike Ash.  Read more


Photo for Rear Axle Oil Check or RefillRear Axle Oil Check or Refill

Have you checked your rear axle oil level recently? Maybe you have been putting it off because you do not have the special tool to remove the drain…  Read more


Photo for MGA Cooling Fan ShroudMGA Cooling Fan Shroud

Vol 22/Number 2 The MGA cooling fan shroud is designed and built by Dan Beha of Akron, Ohio. Dan spent a lot of time perfecting the design, but…  Read more


Photo for Cooling System Check-Out and MaintenanceCooling System Check-Out and Maintenance

Vol. 16/Number 1 This month we have chosen an article on Cooling System Tune Ups as overheating is always an issue with MGA's that are driven hard.  We…  Read more