[928uk] 928 air filters

[Simon Watson]

I have just seen several other, people have said the same thing!!!
Best
S

Sent from my iPhone

> On 20 Feb 2023, at 17:37, Simon Watson <simonwatson at unitelconsultants.co.uk> wrote:
> 
> +1
> Hi Roger, you just beat me to it!!
> Yes exactly right. Don’t use K&N filters on a 928 because the oil mist gets sucked past the sensitive MAFF filament and damages it. Paper filters are best and OEM ones are inexpensive from Euro Car Parts. 
> Best
> Simon
> 
> Sent from my iPhone
> 
>> On 20 Feb 2023, at 17:26, Roger Tyson via 928uk <928uk at lists.928.org.uk> wrote:
>> 
>> I am pretty sure that no one uses a K&N filter on an 84 to 95 MAF car due to
>> the damage to the MAF.
>> I have a pile of them here in the shop - we remove everyone we see.
>> A K&N requires oil and that is what damages the MAF.
>> No oil and the K&N will not work.
>> Lots of good advice on Rennlist about the subject.
>> Use a stock filter.
>> Roger
>> 
>> Roger Tyson
>> 817 430 2688
>> 928sRUs Inc.
>> 131 Timberview Dr.
>> Double Oak, TX 75077
>> www.928srus.com
>> 
>> If it is on a 928 and available - we sell it.
>> 
>> -----Original Message-----
>> From: 928uk <928uk-bounces at lists.928.org.uk> On Behalf Of Jonathan Rackowe
>> via 928uk
>> Sent: Monday, February 20, 2023 8:52 AM
>> To: 928UK List <928uk at lists.928.org.uk>
>> Cc: jonathan at netvue.co.uk
>> Subject: [928uk] 928 air filters
>> 
>> I have had a K&N air filter on my 928GT since April 2012. It seems to have
>> performed okay, with just a shake and clean with a paintbrush as maintenance
>> each year. I have also had K&N air filters on my MGB since 1985!
>> 
>> 
>> 
>> Last Autumn I decided to clean and re-oil all the K&N filters using a K&N
>> re-oiling kit. The MGB ones were fine, but when I came to look at the one on
>> the 928 I found that the rubberised plastic surround had cracks and was
>> crumbling in places. As I don't want little bits of rubber-plastic getting
>> onto the MAF screen, I removed the K&N filter and spoke with the company
>> about it. I expressed my dismay that the 928 filter surround was breaking up
>> after 10 years and 26K miles, when the ones on my MG are still good after 37
>> years and 60K miles! I offered to send them the air filter for inspection
>> and comment, but as I don't have my receipt from 2012 they weren't
>> interested.
>> 
>> 
>> 
>> I see that Mahle LX311 OEM filters, Pipercross PP1211, & K&N 33-2591 or
>> 60131465 filters are available. So my questions to the group are:
>> 
>> 
>> 
>> Has anyone else experienced the surround breaking up on a K&N air filter?
>> 
>> If you are NOT using the standard Porsche air filter, which aftermarket one
>> are you using?  
>> 
>> Has your experience with the aftermarket filter been good or problematic?
>> 
>> Best regards, 
>> 
>> Jonathan
>> 
>> 
>> 928 GT 1991 Amethyst Metallic
>> 
>>