Ron,
The Series V Alpine fuel pipe nut is 9/16, compared to 1/2 for Series IV
Alpines that you noted..
The crossover pipe looks the same on both Alpines made during the Tiger era
and quite likely is the same as the pipe used on Tigers.
Sent from my iPhone
On May 22, 2012, at 10:19 PM, Allan Ballard <aballard@ix.netcom.com> wrote:
> I found out about different fuel pipe nut and olive fittings being used on
Alpines the hard way :)
>
> I put a balance pipe from a Series V alpine (1966-1968) into my Series IV
Alpine (1963) and tried to attach the fuel line.
>
> It wouldn't attach.
>
> The pipes are the same but the fitting
> changed. One is different from the other by a small amount.
>
> So there were different fitting sizes used on the Series Alpines that
overlap Tiger production but the balance pipe looks to be the same on both
cars.
>
> Perhaps Tigers use a larger fitting for the fuel line than Alpines - I've
never replaced a Tiger connecting pipe with an Alpine pipe.
>
> OTOH maybe not and Tigers use a different sized fitting on early models from
later models corresponding to the Alpine fittings.
>
> Sent from my iPhone
>
> On May 22, 2012, at 9:43 PM, " Ron Fraser" <rfraser@bluefrog.com> wrote:
>
>> Allan
>> There is a bit of confusion in the Parts List about the balance pipe
>> inner or cross over pipe. There are 5 numbers listed for the balance
pipe.
>>
>> 1206336 Series III
>> 1206753 S IV up to B9407422
>> 2228999 S IV from B9407423 - B395000000 260 up to B382000000
>> 2235552 S V from B395000001 260 from B382000001
>> 2239563 Supersedes all of the above numbers but is not listed separately
as
>> a part just as an s/d number next to the above numbers.
>>
>> There is little detail about the fuel pipe nut and olive, just one listing
>> for a 1/2 UNF nut for S IV from B9407423 -B395003168.
>>
>> I only have 1 fuel pipe listing for the Tiger from the balance tube to the
>> pump - 1224803
>>
>> Ron Fraser
>>
>> -----Original Message-----
>> From: Allan Ballard [mailto:aballard@ix.netcom.com]
>> Sent: Tuesday, May 22, 2012 8:46 PM
>> To: rfraser@bluefrog.com
>> Cc: tim; <tigers@autox.team.net>
>> Subject: Re: [Tigers] Balance pipe nipple thread
>>
>>
>> Did all Tigers use the same fitting?
>>
>> I should have been more specific in my earlier posting - Alpines changed
>> fittings between the end of Series IV (1965) and the beginning of the
last
>> series.
>>
>> Is it reasonable to assume that the same balance pipes and changed
fittings
>> were used on Tigers?
>>
>> Or did the factory use the same pipe but with a different, Tiger specific
>> fitting..
>>
>> Just my $0.02 worth :)
>>
>> Allan Ballard
>> Mk1a Tiger
>>
>> Sent from my iPhone
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