[Healeys] NOS 100/4 block?

[Michael Salter]

Actually AHX12 ourTarga Newfoundland car used a 100 block with an FX3 Taxi
crank. Certainly was, and still is, a fun car to drive.
You can read about the engine build here
<https://www.netbug.net/blogmichael/2007/03/19/building-a-100r-race-engine/>

M

On Thu, Aug 27, 2020 at 1:47 PM Michael Oritt via Healeys <
healeys at autox.team.net> wrote:

> Michael Salter uses a taxi block on the car in which we did the Targa
> Newfoundland, not only because of the stronger crank but because it put us
> in an under 2.5-litre group in which it was easier to be competitive.
> Notwithstanding the lower displacement the car was plenty fast!
>
> Best--Michael Oritt
>
> On Wed, Aug 26, 2020 at 5:16 PM David Nock via Healeys <
> healeys at autox.team.net> wrote:
>
>> I have a diesel motor here stripped. I thought that they were the same
>> but the timing chain is a triple link chain so the snout on the front of
>> the crank is about 1” longer than the gas motors.
>>
>>
>> David Nock
>> healeydoc at sbcglobal.net
>> 209 948 8767
>> www.britishcarspecialists.com
>>
>> Help us have our Founder Norman Nock inducteed into the
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>>
>> *From:* Ray Juncal via Healeys
>> *Sent:* Wednesday, August 26, 2020 1:18 PM
>> *To:* Ulla &Sven Ordell ; John Harper
>> *Cc:* healeys at autox.team.net
>> *Subject:* Re: [Healeys] NOS 100/4 block?
>>
>> If it is the diesel block it will have the heavy duty crank shaft a
>> valuable part by itself if I remember correctly.
>>
>> On Wednesday, August 26, 2020, 9:55:38 AM PDT, John Harper via Healeys <
>> healeys at autox.team.net> wrote:
>>
>>
>> Ulla
>>
>> The A90 Atlantic 2.6 litre 4 cylinder is basically the same. The only
>> difference is that the A-H has a 2 bolt distributor fitting whereas the A90
>> has one. This however is a bit of a simplification because there was a
>> small amount of overlap with early 100 having blocks with only one fixing
>> bolt and very late A90s having two. To make this more complicated if it
>> were BMC Gold seal replacement engines. These could be delivered with
>> either one bolt or two. It is possible to fit a A-H distributor to a single
>> bolt version but the mounting plate has to be from an A90.
>>
>> All other 2.2 and 2.5 litre blocks have different bores so this can be
>> measured fairly easily. Another point is that later blocks had different
>> fittings such as the push rods.
>>
>> Another possible different version was from a diesel block as fitted to
>> London Taxis etc.
>>
>> On Wed, 26 Aug 2020 at 14:21, Ulla &Sven Ordell via Healeys <
>> healeys at autox.team.net> wrote:
>>
>> Friends !
>>
>>
>>
>> A mate has asked me for help. He has been offered what appears to be a
>> NOS 100/4 block, nice, but two questions has come up.
>>
>> 1 How do I tell if it is a genuine 100/4 block or one from any other
>> Austin/BMC with the same basic engine, and 2 any guidance on price tag?
>>
>> Any guidance thankfully accepted.
>>
>>
>>
>> Best regards
>>
>> Sven
>>
>> Ex BJ8 now “only” MMM M.G.s
>>
>>
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>> --
>> Best wishes
>>
>> John Harper
>>
>> AHC UK 100 Register Secretary
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