The first link does not apply to the earlier 2 Litre models, but is more relevant to 405/6 onwards through Chrysler V8′s etc. This and other information has kindly been donated by Per Blomquist and comes from a Motor Trader article from May 1958. It is reproduced here so that the technically minded can get a better understanding of how things work. The second link is an article by Phillip Herbert.
Time and technology has no doubt overtaken the types of radio originally available, but the fitting instructions may be of interest to those who do not yet have a radio fitted. Ongoing research is also being undertaken in regard to digital radios etc., and when this information is available will be included here.
The following is a sample of cars that, according to the Payen Catalogue, also used NA300. Unfortunately, similar information has not yet been found for Oil Seal NA362.
| Make | Description | Dates | Models |
| Jaguar | Transmission Rear Overdrive | 1957 – 67 | 2.4, 3.4, “&” 3.8 (except “S” Type) (Jaguar No. 7980) |
| Jaguar | Transmission Rear Overdrive | 1963 – 68 | 3.4, “&” 3.8 “S” Type (Jaguar No. 7980) |
| Jaguar | Transmission Rear Overdrive | 1967 – 69 | 240 “&” 340 (Jaguar No. 7980) |
| Aston Martin | Rear Extension Overdrive | 1954 – 57 | DB2-4, 3 Litre (A.M. No. 250168) |
| Aston Martin | Transmission Rear Overdrive | 1956 – 57 | 2.4, 3.4, “&” 3.8 (except “S” Type) (A.M. No. 250168) |
| Austin Healey | Coupling Flange Overdrive | 1953 – 56 | 100 – 4 Cyl. |
| Humber | Rear Extension Overdrive | 1939 – 56 | Super Snipe, Pullman MK1, 11, 111, 1V |
| Humber | Rear Extension Overdrive | 1954 – 57 | Hawk MK1 – V1 |
| Humber | Gearbox Rear Overdrive | 1957 – 67 | New Hawk Series 1, 1A, 11, 111, 1V |
| Humber | Gearbox Rear Overdrive | 1958 – 67 | Imperial, Super Snipe Series 1 – V |
New replacement air filters for the 2 litre cars can be the K&N part number E4530, (it’s a tight fit, but it does fit! – Adrian Berry)
K&N Filters are available from a number of suppliers.
Specifications: 5-7/8″OD, 3-1/8″ID, 3-3/8″H
K&N Small Engine and Light Industrial Replacement Air Filters – K&N manufactures many direct replacement elements
for small industrial engines, utility lawn and garden units, air compressors, generators, chain saws, etc.
For those vehicles fitted with a vacuum washer system, the thick wall rubber tubing was not available from Bristol cars when last checked. Normal clear plastic tubing does not appear to have the residual strength, especially when warm, to support a vacuum. One source is Stevenson’s Motors Tel: 0121 472 – 1702.
The Bristol Owners & Drivers Association is a Member of the Federation of British Historic Vehicle Clubs. Bristol Owners & Drivers Association Ltd is a company limited by Guarantee of £1 per member.
Registered Office: Unit27B, Mitton Road Business Park, Mitton Road, Whalley, Clitheroe, BB7 9YE
Company Registration No. 07270546. Data Protection Registration Z2297300
