Rolls-Royce Silver Wraith LWB Chassis Information
The chassis number for these models is composed of an initial letter that determines the series of the model followed by two fixed letters "LW" which determines the Long Wheelbase models.
It ends with a number from 1-172.
The chassis number can typically be found on the firewall.
| Release Date | Chassis Number | Modification Detail | introduced at Chassis: |
| Jan. 52 to May 53 | ALW1 to ALW51 | Hot and cold de-mister | ALW27 |
| Reduced friction on steering connections | ALW27 | ||
| Caster angle wedges | ALW27 | ||
| Needle rollers In clutch release levers | ALW29 | ||
| May 53 to Apr. 54 | BLW1 to BLW101 | Bentley camshaft fitted | BLW15 |
| Parco lubrlzed tappets | BLW17 | ||
| Deletion of non-opposed springs in side steering tube 4” longer bonnet | BLW39 | ||
| Increased frontal area radiator matrix | BLW43 | ||
| Cable operated hot and cold de-mister and underseat heater | BLW43 | ||
| Hard clay gasket | BLW43 | ||
| Welded frame | BLW48 | ||
| Mar. 54 to Aug. 54 | CLW1 to CLW43 | Fitting of inertia ring on flywheel | CLW24 |
| Dynamo type mounting strap on starter motor | CLW35 (RH) | ||
| Compensator pipe between front and rear servo | CLW37 | ||
| Thicker 3rd motion shaft thrust washer | CLW40 | ||
| Jun. 54 to Mar. 55 | DLW1 to DLW172 | Strengthened jaws on front brake operating links | DLW15 |
| Elimination of chromium-plated servo pressure plate | DLW32 | ||
| Aluminium flywheel housing | DLW40 | ||
| Dynamo type mounting strap on starter motor | DLW59 (RH) | ||
| Long stroke starter pinion | DLW65 | ||
| Bentley continental type de-misting | DLW80 | ||
| 2nd speed start | DLW83 | ||
| Ferodo washer and drain slots in crankshaft vibration damper | DLW124 | ||
| Oct. 55 to May 56 | ELW1 to ELW101 | Main bearing cap studs replaced by set screws | ELW18 |
| New flanges on exhaust fittings | ELW48 | ||
| lncorporation of spherical clevis bearings to servo push rod | ELW49 (LC) | ||
| lntroduction of ‘S’ type engine mounting | ELW64 | ||
| Repositioning of voltage regulator | ELW87 | ||
| Modified voltage regulator | ELW81 | ||
| Modified dynamo and regulator | ELW87 | ||
| May 56 to Jun. 57 | FLW1 to FLW101 | Reach nut and washer to suit spot facing of ball joint and trunnion body, output shaft to propeller shaft | FLW1 |
| Modified radiator bottom tank and matrix (P.A.S.) | FLW20 | ||
| lntroduction of 8:1 compression ratio | FLW60 | ||
| Voltage regulator with swamp resistance | FLW68 | ||
| Introduction of oil deflector plate for rear shock damper | FLW74 | ||
| Introduction of 18.7 steering ratio on left-hand drive cars | LFLW96 | ||
| Jul. 57 to Jan. 58 | GLW1 to GLW26 | No recordable modifications | |
| Mar. 58 to Oct. 58 | HLW1 to HLW52 | No recordable modifications |
