[928uk] Advice and parts - intake tubes

[jonathanrackowe at gmail.com]

Seems my 1991 928 GT got an upgrade before my ownership😊

Best regards,
Jonathan 



-----Original Message-----
From: 928uk <928uk-bounces at lists.928.org.uk> On Behalf Of Paul R Smith via 928uk
Sent: 08 June 2024 18:13
To: 928uk at lists.928.org.uk
Subject: Re: [928uk] Advice and parts - intake tubes

According to PET, they started in 1987 for Switzerland, 1992 for all 
markets.

Smiffy

On 08/06/2024 17:25, phil rick via 928uk wrote:
> learn something new every day, i thought the crap foam hoses only came with
> the GTS, but must have started on the 91 model year
>
> On Sat, Jun 8, 2024 at 5:21 PM jonathanrackowe--- via 928uk <
> 928uk at lists.928.org.uk> wrote:
>
>> Oh yes, thanks, I'd forgotten that. Can't say I noticed any difference in
>> noise level when I fitted the Samco silicone tubes, but maybe that's due to
>> my de-catted custom exhaust system!  :-D
>>
>> Best regards,
>> Jonathan
>>
>> West London, England
>>
>> 1991 928 GT Amethyst Metallic with Blueflame custom exhaust and Porsche
>> 18" Sport Design wheels
>>
>>
>>
>> -----Original Message-----
>> From: 928uk<928uk-bounces at lists.928.org.uk>  On Behalf Of Paul R Smith
>> via 928uk
>> Sent: 08 June 2024 15:24
>> To:928uk at lists.928.org.uk
>> Subject: Re: [928uk] Advice and parts - intake tubes
>>
>> The official reason for the foam hoses was to reduce noise:
>> "All 928 GTS vehicles are fitted with noise-reducing intake hoses of the
>> same type used previously on export vehicles
>> for Switzerland."
>>   From the 1992 service tech info document.
>>
>> Smiffy
>>
>> On 08/06/2024 14:07, jonathanrackowe--- via 928uk wrote:
>>> My 928 GT has a pair of Samco SHL77 Silicone Hoses 77x640mm installed -
>> that
>>> I fitted back in 2006. They're still perfect.
>>>
>>> The foam hoses that Porsche fitted to the 928 GT and GTS were rubbish!
>> The
>>> insulation was intended to keep the intake air cool, but it disintegrated
>>> badly. Given the speed of the air rushing into the 32V V8 engine I doubt
>>> that the foam hoses made any significant difference to the intake air
>>> temperature anyway.
>>>
>>> Best regards,
>>> Jonathan
>>>
>>> 1991 928 GT Amethyst Metallic
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: 928uk<928uk-bounces at lists.928.org.uk>   On Behalf Of Ian Marsh via
>>> 928uk
>>> Sent: 07 June 2024 16:06
>>> To: 'Cengiz Ali'<cengizali at btinternet.com>; '928 List'
>>> <928uk at lists.928.org.uk>
>>> Subject: Re: [928uk] Advice and parts
>>>
>>> Cen,
>>>
>>> I can't help with much of what you require but I gave up looking for
>> decent
>>> intake tubes and bought a pair of Mercedes Tubes modified to fit 928's
>> from
>>> Roger and 928rus.
>>>
>>> The genuine Porsche replacements were about twice the price in in my
>> opinion
>>> inferior in design.
>>>
>>> Hope this helps
>>>
>>> Regards
>>>
>>> Ian
>>>
>>> Ian J Marsh
>>> Regional Organiser
>>> 07976 242344
>>> West Country Region
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: 928uk<928uk-bounces at lists.928.org.uk>   On Behalf Of Cengiz Ali via
>>> 928uk
>>> Sent: Friday, June 7, 2024 4:01 PM
>>> To: 928 List<928uk at lists.928.org.uk>
>>> Subject: [928uk] Advice and parts
>>>
>>> Hi All,
>>>
>>> It was good to see some of you at Simply last weekend.
>>>
>>> A few things please:
>>>
>>> Does anyone on the list know if the warning triangle originally came in a
>>> storage bag (similar to the jack)? If so are they available or does
>> anyone
>>> have one they are willing to sell?
>>>
>>> Also, I have an old Porsche tyre inflator, the one that is in its own
>> black
>>> plastic box and runs off the cigarette lighter. It runs but is pretty
>> weak
>>> and not producing enough air to fill a tyre, can these be repaired?
>>>
>>> Also, does anyone have a very good black plastic intake pipe that runs
>>> either side of the air box to the front of the car ducts they want to
>> sell?
>>> Many thanks
>>> Cen
>>> S2 auto 86.5
>>>
>>>
>>