[928uk] Advice and parts - intake tubes

[Paul R Smith]

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
>
>