[ROVERNET - UK] P4 95 vs. 110

[Mike Maher]

The books ( including the workshop manual) either state that 95's had no 
overdrive or make no reference to it. Also, the list of optional extras for 
1964 includes
laminated screens and reclining seats but not overdrive, however at least 
one source says overdrive was optional, and I've seen adverts and photos of 
cars said to be 95s with O/D,  Also I know of  at least one 95  fitted with 
an overdrive gearbox, after all the bodyshell/gearbox cover/chassis were the 
same on both models.

An interesting point is rear axle ratios.  The 110  uses 4.3:1 and the 95 
uses 3.9:1.   If I'm correct, using a lower axle ratio will result in an 
increased speed achieved for a given engine speed but there may be a penalty 
(for example in  time taken to accelerate from 0-60 mph).   Add this to an 
overdrive set up and you will get an economical high speed cruise (but a car 
that wouldn't do well in a traffic light grand prix!)

As regards spirited driving of Rovers,  I know of one Rover 100 which 
regularly competes at vintage races at Silverstone ( the circuit is the home 
of the British Grand Prix).  The Owner/ Driver spends a lot of his time 
leading rather exotic and expensive machinery around the track.  In part 
this is due to a slightly modified 3 litre engine.

There are other examples including the Rover Special Racing car which was 
built on a discarded prototype P3 chassis.

Rovers were made to be driven in a spirited fashion!

Mike Maher

----- Original Message ----- 
From: <lingfield51 at tiscali.co.uk>
To: <glenwilson at cavtel.net>; <rovernet at lyris.ccdata.com>
Sent: Tuesday, February 28, 2006 6:06 PM
Subject: RE: [ROVERNET - UK] P4 95 vs. 110


Spirited driving, in a Rover. Surely not! (This is my posh but indignant
British aristocracy voice).
:)

Alan Francis (partviking)
>-- Original Message --
>From: Glen Wilson <glenwilson at cavtel.net>
>To: rovernet at lyris.ccdata.com
>Date: Tue, 28 Feb 2006 11:03:58 -0500
>Subject: [ROVERNET - UK] P4 95 vs. 110
>Reply-To: glenwilson at cavtel.net, rovernet at lyris.ccdata.com
>
>
>
>The 95 did not come with an overdrive option so as to distinguish it
>from the more expensive but very similar 110. Both 95 and 110 had steel
>doors. The 110 had the Weslake cylinder head and a different final drive
>ratio as well as overdrive. Did the 110 also have an electric windscreen
>washer pump? The 95 had a manual pump. The 110 also had extra hand grips
>in the back seats for use during spirited driving!
>
>;-)
>
>Glen
>
>
>
>On Tue, 2006-02-28 at 15:45 +0000, lingfield51 at tiscali.co.uk wrote:
>> I have an opportunity to purchase a complete overdrive kit (gearbox, 
>> prop,
>> switch, wiring etc) from a 95 (???see below) to fit my non-overdrive 90.
>>
>>
>>
>> Questions are
>>
>>
>>
>> Did they ever fit an overdrive to a 95? It was not fitted as original
(I
>> think) was it an option? I would have thought a 95 + overdrive was in
effect
>> a 110.
>>
>>
>>
>> Will it fit?
>>
>>
>>
>> I know the blocks changed for the 80 and 100 to suit the new P5 3 litre
>and
>> my perception is the bell housings changed as well but not sure if I can
>> use the old bell-housing. Don?t really want to have to buy the engine
as
>> well.
>>
>>
>>
>> For the record the vehicle is on Ebay and about 75 miles so clearly 
>> anxious
>> not to wast time/money/sweat on this. Anyone ever done a mod on a 
>> non-overdrive
>> P4, any tips?
>>
>>
>>
>> Any info appreciated.
>>
>>
>>
>> Alan Francis (partviking)
>>
>>
>>
>>
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>
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