Most Technical Articles are PDF files. 
Click on the links below to get to the proper section.
Some files take a LONG time to download.
No representation is made as to the trustworthiness of any vendor listed herein with the exception of
those noted in the "My Modifications" section with whom I have personal experience going back some 82 years.
In general, the Moss Motors Video site and MG Guru Site have excellent technical articles. First, go to Michael Salter's Blog at:
(Articles collected over the years and graciously donated to this site by Don)
See Steve Thornton's excellent site for articles covering many exotic modifications.
Go to the Links page, Best of the Best Section. Also if you are still stumped, go to the Miscellaneous section
of this page and and click on the link to Steve Gerow'site. See the Bulletin and Important Links sections for more Technical Information.
Body 
Article Subject/Link
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BN1 Completing the interior Photo essay
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BJ8 Convertible Top Installation By Steve Byers with Photos.
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BJ8 Top Installation Instructions Courtesy Jim Werner
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Dash Lamp Removal BJ8 Courtesy Jim Werner
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Fresh Air Duct Extension For ease in installing fresh air ducts.
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Hard Top ID Courtesy Jim Werner
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Paint Codes Original BMC Paint Codes showing mixing ratios, etc of primary colors.
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Parcel shelf for a BT7 Click on the included link for measurements, etc.
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Scuttle Seal Installation Another method
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Sidescreens Descriptions for various models
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Brake/Clutch Article Subject/Link
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Bleeding Drum Brakes Complete with Photos.
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Brakes. Bosch catalog
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Brake and Master Cylinder information Girling catalog contains their part numbers and brake and cylinder sizes.
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Brake Light Switch Tip Courtesy Jim Werner
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Clutch Slave Cylinder Bleeder Extension Courtesy Jean Caron
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Emergency Brake Cable Installation Courtesy Jim Werner
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Front Brakes - conversions to disks http://www.pbase.com/stevegerow/healey_discs
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Servo Servicing Courtesy Jim Werner
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Carpeting/Trim/Interior Article Subject/Link
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Dashboard Refinishing Courtesy Jim Werner
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Sill Plates and Trim 100-4
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Tunnel Carpet install Two page instructions on the installation of tunnel carpets
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Finisher for soft top
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Competition All articles in this section should be read together as they are somewhat interrelated.
Competition from Sports Cars Illustrated 1958 (External Link) Courtesy Rick Wilkins
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Engine Modifications for Competition 1961 Article Courtesy Patrick Yoas
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Engine Modifications for Competition Dyno Testing Patrick Yoas
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Healey with a V8 PUNCH Courtesy Patrick Yoas
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More Horsepower for your Healey PDF Courtesy Patrick Yoas
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More Horsepower for your Healey Microsoft Docx format loads faster
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Ruddspeed modifications 1960 Courtesy Patrick Yoas
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AH Le Mans conversion From Motor Sport magazine, February 1956
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Electrical Article Subject/Link
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All About Everything Electrical From the MG Guru but applicable to Healeys.
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All About Relays Everything you need to know.
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All things about Fuses and Relays Originally written for a Sprite but is relevant.
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Alternator Installation (Denso Alternator Conversion)
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BJ8 Driving Light Switch Addition Courtesy Jim Werner
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Electronic Voltage Regulator and Dynamo. Many technical electrical articles.
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Electronic Voltage Regulator. Not for the faint of heart.
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Four Way Flasher Installation Courtesy Jim Werner
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Horn Repair Courtesy Jim Werner
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LED usage External site.
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Lucas Parts Numbering System Courtesy J. Scott Morris.
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Trim Your Antenna Courtesy Jim Werner
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Under the dash wiring Word document pictures
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Wiper Motor Repair Tip Courtesy Jim Werner
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Engine Article Subject/Link
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Coolant system drain taps By Simon Lachlin
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Crank Shaft Failures by Michael Salter
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Exhaust - Drawing to manufacture BN4 Exhaust for a Longbridge BN4
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FIring order of a 6 cylinder engine -- 15 too young -- 36 too old-- 24 just right Not a link.
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Fitting 14" Fan BJ8
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Installing K&N Air Filters Courtesy Jim Werner
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Oil pan-Aluminum Long email discussion on the merits and demerits of these.
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Radiator Modification to four core From John Spaur
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Rocker Arm Rebuild Courtesy Jim Werner
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Starter Dog Nut Tip Courtesy Jim Werner
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Thermostat Check Device Check your thermostat while in the car.
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Thermostat functions by Simon Lachlan
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Thermostat Tips Courtesy Jim Werner
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Valve Adjustment BN1 Written for a four cylinder Triumph but the procedure is essentilly the same.
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Water Valves (Taps) Courtesy Simon Lachlan
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Fuel System Article Subject/Link
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Choke Return Spring Tip Courtesy Jim Werner
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Fuel Pump protection instead of a Diode Interesting article. Source for Transils is at:
Mouser Electronics their part number 625-1.5KE24CA-E3
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SU Carb and Fuel Pump Manual Very long 84 page manual in PDF format.
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Three HD6's on a BT7 Instructions on converting twin carbs to tri-carb
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Tuning SU Carburetors 1955 Article (Takes a while to load)
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Gauges Article Subject/Link
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Fuel Gauge Condensation Courtesy Jim Werner
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Fuel Gauge Tips Courtesy Jim Werner
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Fuel Gauge Repair When on the site, click on each photo for full narrative.
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Safety Gauge Installation For a Triumph but the technique is the same.
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Speed Calculator Opens in an XLS window
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Speedometer Calibration Another site to use. Take your Pick.
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Speedometer Repair Smith's/Jaeger Manual
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Temperature Gauge Repair External site for a Plymouth but should be applicable.
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Trafficator Repair Very long PDF file.
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Heater Article Subject/Link
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Heater Control Cable Replacement Courtesy Jim Werner
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Ignition Article Subject/Link
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Distributor Information Courtesy Jim Werner
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Ignition Timing Specs Courtesy Jim Werner
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Ignitor Ignition Courtesy Jim Werner
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Insulation Article Subject/Link
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Drivers Side Heat Shield BT7 It can be printed at 1:1 and then used as a pattern. Kinko's or blueprinters can print it onto 24" X 36" paper.
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Super Insulating Courtesy Jim Werner
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Miscellaneous Article Subject/Link
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Annealing washers to make them oil tight External link to another site.
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(Courtesy James Wilson www.healeyjournal.com)
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Bolt Codes Page Two (in Excel Format)
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Photo of almost every type of nut, bolt or other fastener along with other information
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Caster oil tips Everything you need to know about Caster oil
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Cheap Signs Courtesy Jim Werner
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Chrome Exhaust Tips Courtesy Jim Werner
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Creased Bonnet on a BN6 Courtesy Jim Werner
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Drip Pan Fabrication Keep Oil off of your garage floor.
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Fasteners for a BN2 This is an Excel spreadsheet that has been recently updated. The lines in gray have yet to be identified. More updates will be forthcoming.
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Oil Formulation Letter from Castrol
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Oil History, additivies, ZDDP Courtesy Moss Motors
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Penetrating Oil Showdown Which is best!
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Restoration of blackness on tools (Parkerizing) See ordering information in the Miscellanous section of the Parts Suppliers page.
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Road Rules for Group Tours Courtesy Jim Werner
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Steve Gerow's WONDERFUL Tech Tips. A must view! If you can not find it elsewhere on this site, look here!
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Technical Trivia Courtesy Jim Werner
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Water on Knees Courtesy Jim Werner
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Wire Wheel Removal Courtesy Jim Werner
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My Modifications Article Subject/Link
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Addition of a new fuse block, mechanical brake light switch, third brake light, illuminated reflectors, fuel pump inertia switch, fusing the fuel pump, installation of Tow Eyes and Tie Down Hooks. Also, installation of a PCV Valve on a BN6, Coolant Overflow Reservoir, Heater cold air duct fastening and Clutch and Brake Pedal Extensions
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Click on the links below to view specific items
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(More modifications to come such as installation of a second fuel pump in parallel with a cutover switch on the parcel shelf, as I get to them on my to do list.)
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Overdrive and Transmission Article Subject/Link
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BN1 Gear box. Identification of gears Complete with Photos
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Drive Shaft Balancing Courtesy Jim Werner
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Refers to an installation on a TR but is the same unit as on Healeys.
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Overdrive dismantling and repair Lots of Photos
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Overdrive Oil Study External link to the study
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Overdrive Pump Pressure Gauge Courtesy Jim Werner
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OD Relay Repair and Testing
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Overdrive Videos Must see even if you are not rebuilding yours.
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The Overdrive. Definitive explaination of the Overdrive
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Two Cent Overdrive Repair Courtesy Jim Werner
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Safety Article Subject/Link
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Audible Flashers A video is on YouTube at: Video of Audible Flashers
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BJ8 Rear View Mirror Courtesy Jim Werner
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Four Way Flasher Installation Courtesy Jim Werner
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Third Brake Light See Important Links page Parts Section for a cheaper price for the same item than is shown in the article! See also My Modifications section on this page.
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Tire Information Courtesy Jim Werner
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Tire Safety US Government Site Page after page of information about tires
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Truing Tires on wire wheels Not for the faint hearted
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Wire Wheels - they self tighten by design (External Link)
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Knock Off Hubs Original Patent Drawing Use with the above link
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Suspension Article Subject/Link
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Reinforced Mounts for Koni Shocks Steve Gerow's solution including drawings and photos.
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Koni Shock Installation Nice to view before a purchase.
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Lower Wishbone Inner Bearing Replacement Courtesy Jim Werner
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Replacing Rear Springs Courtesy Jim Werner
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Shock Catalog Combination of two articles. See World Wide Parts in the Suspension section of the Vendors page to order.
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Shock Absorber Information Courtesy Jim Werner
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Wheel Bearing Notes Courtesy Jim Werner
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Trafficator Article Subject/Link
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Replacing a Stator Tube Courtesy Jim Werner
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Removing Turn Signal Switch Courtesy Jim Werner
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Steering Wheel Replacement Courtesy Jim Werner
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Trafficator Repair Lots of details and photos.
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Wiring Harness Article Subject/Link
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How to Install a New Wiring Harness Courtesy Jim Werner
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Updated Wiring Written for an MG but adaptable to your Healey.
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Don Hardie's Healey 100 Articles