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MG RV8 Maintenance Schedule

MG RV8 IDENTIFICATION NUMBERS

ENGINE NUMBER: Located on the side of the engine block between 3 & 5 cylinders. 48A signifies 3948cc 9.35-1 high compression V8.

GEARBOX NUMBER: Stamped on the bottom right hand side of gearbox housing.

BODY NUMBER: Stamped on a plate, affixed to the bonnet lock platform and over sprayed in body colour. ie. 2MG40J000360Z ( “Z” is the plant identifier – Cowley ).

RV8 VIN NUMBER: Is located under the bonnet on off side of bonnet slam panel is a Rover Group Limited vehicle identification plate, also found on this plate is the vehicle colour and interior trim colour.
It is also found etched into the nearside front windscreen and lastly stamped into the boot rain channel on the offside.
On earlier cars it is found inside the boot itself and in both cases it is over sprayed in body colour.

OTHER VEHICLE NUMBERS: Are also recorded for the Cross member, Rear axle , Facia and finally the vehicle key numbers. (all of which are recorded on British Motor Heritage Trust Certificate ).

MGRV8 PART NUMBERS: There are 2053 part numbers of which 607 are special to the RV8 and marked with the familiar ZKC _ _ _ _ Number. ( ie ZKC 6683 ).

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FUSES

FASCIA PANEL FUSE BOX

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SERVICE PARTS & PRODUCTS

TECHNICAL DATA

Fuel Consumption

All figures are shown in miles per gallon and litres per 100 kilometres and are
from officially approved tests under the Car Fuel Consumption Order 1983.
These are intended to provide fuel economy information for model to model
comparisons and are achieved in standard tests. They do not express or imply
any guarantee of fuel consumption for the particular car with which this information
is supplied.

K & N AIR FILTER SERVICING

1. PRE CLEANING PREPARATION: Gently brush all crevices with a soft brush 
to dislodge any dirt, then gently tap the filter.

2. SPRAY ON CLEANER: Spray K&N air filter cleaner into entire element and let 
soak for at least 10 minutes.

3. RINSE OFF: Rinse off element with low pressure water (tap water ok). Always
flush from inside to outside.

4. DRYING: Always dry filter naturally, after rinsing shake off excess water & let
element dry out naturally. 
                                            * Do not use compressed air
                                            * Do not use open flame
                                            * Do not use heat dryers
NB. Excess heat will shrink the cotton fibre & compressed air will tear or blow holes in the element fibre.

5. CLEANING HINTS: Because elements are so expensive to replace ($120).
                                            * No petrol to be used for cleaning
                                            * No steam cleaning
                                            * No caustic cleaning solutions
                                            * No strong detergents
                                            * No high pressure cleaning
                                            * No cleaning solvents
Any of these products will cause damage to the cotton fibre filler plus hardening and shrinking the rubber end caps.

6. RE - OILING: When filter has thoroughly dried out naturally always use K&N 
Air Filter Oil. The oil is sprayed down into each pleat, with one press per pleat.
On completion, wait 10 minutes and re-oil any spots you have missed. 
A proper oiled filter will appear uniformally red in colour. Never use a K&N Air 
Filter without oiling.

NB. K&N Filters are among the most expensive and when correctly cleaned will last for years and years. Skimping on the correct cleaning products can have serious consequences if the filter is ruined and requires replacement.

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MG RV8 Security Locking Wheel Nuts

Common to most MG RV8’s each wheel is fitted with a special security wheel nut. This is to provide security and protection against thief. The wheel nuts in question vary and can only be removed with the aid of a special matching wheel nut socket. The special wheel nuts are classified according to the table below and identified by a letter followed by a number. i.e. A = 7 A = 7. B = 42. C = 29. D = 16. E =4. F = 36. G = 12. H = 98. I = 9. J = 53. K = 69. L = 30. M = 2. N = 23. O = 57. P = 70. Q = 84. R = 93. S = 25. T = 46. Information kindly provided by Aiden Pavey

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MG RV8 LT77S & R380 Gearboxes

LT77S: Stands for Leyland Transmission and 77 is the distance between the main and lay shaft 77mm and the “S” version signifies a refined synchromesh.

R380: The number represents the maximum torque capacity in Newton metres. It also has a different gear patten.

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Gearbox Change

For a period following the gearbox change over (VIN 644) there was a huge number of clutch problems.
These problems necessitated the removal of gearboxes and fitting a new clutch mechanism.
(Information from the Brilliant Book & Research Paper by Chrisopher Allan & George Wilder MGRV8 THE MANUFACTURING STORY).

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