Thanks for the replies, Kees and Patrick; I picked up some useful info.?
If I ever do come across a well-sorted J-H, I might have a look at it.
Bob
On 8/4/2018 3:02 AM, Kees Oudesluijs wrote:
> The J-H gearbox was a Sunbeam 4-speed close ratio gearbox which was
> changed to a Getrag 5-speed gearbox in late ?74 or in ?75. The Sunbeam
> box is the better shifting and quieter box. Both boxes were non-O-D.
> The J-H 4-speed is considerably quicker than the J-H5 on 0-100km/h.
> The final drive ratio was slightly taller on the J-H 5
>
> Many J-H?s are coverted to a Sunbeam 4-speed with O-D.
>
> A Vauxhall gearbox was never used.
>
>
> Kees Oudesluijs
>
>
>
> Op 4-8-2018 om 10:08 schreef Patrick & Caroline Quinn:
>> Hello
>>
>> Lotus did indeed design and built the engine that went into the
>> Jensen-Healey. Initially the gearbox came from Vauxhall while later
>> cars were fitted with a ZF five-speed. It was the first modern DOHC
>> four-valve engine built on a production line.
>>
>> There were a few problems with the engine as Jensen pushed Lotus to
>> supply the engine before it had sufficient testing. There were faults
>> that came out in the hands of owners and subsequent expensive service
>> claims. It was the costs to repair the engines that sent Jensen into
>> the red.
>>
>> However to drive a well sorted Jensen-Healey is a delight, especially
>> one fitted with the ZF gearbox.
>>
>> As to the Renault engine, I think you might be thinking of the S1 and
>> S2 Lotus Europa that was fitted with a Renault 16 engine and gearbox
>> that was turned around the other way than what it was in the Renault.
>> Later Europas had the DOHC Lotus engine, but still with a Renault box.
>>
>> Hoo Roo
>>
>> Patrick Quinn
>> Blue Mountains, Australia
>>
>> -----Original Message-----
>> From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of
>> Bob Spidell
>> Sent: Saturday, 4 August 2018 12:15 AM
>> To: Healeys
>> Subject: [Healeys] Jensen-Healey Question
>>
>> Reading an issue of 'Old Cars Weekly,' I came across an article about
>> the Lotus Elite.? It stated:
>>
>> "... the new rear-drive 1974 Elite offered a front-mounted Lotus
>> 907-series 1973cc twin-cam four-cylinder engine.? In fact, it was the
>> first Lotus to offer this potent mill.? This was essentially the same
>> engine that the company supplied to Jensen Motors for its Jensen-Healey
>> sports car."
>>
>> I don't know much about the J-H, but I'd always heard it had an engine
>> from Renault.? I doubt a small company like Lotus could design and build
>> its own engine, was the short block supplied by Renault or did Lotus
>> actually design and build an engine, and did it power the J-H?
>>
>> Bob
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