Originally Posted by js1956
Originally Posted by js1956
Originally Posted by buster
Not that I'm aware of but here are the suggested things you can do to help mitigate intake valve deposits (opinions may vary):
Use an oil that is highly resistant to oxidation.
Avoid short trips as much as possible.
Take long highway trips periodically and get the engine hot. It's been found that high heat helps burn off and prevent IVD's.
Low Noack and lower SAPS are commonly suggested, however, that may not be the case.
I'm using Mobil 1 EP right now - PAO/AN, Noack 10%, SA .8.
I have some AP which is PAO/AN, Noack 8.9%, SA .8.
High Performance Lubricants (site sponsor) makes really good oils and they claim: "Formulated with specifically chosen esters which helps to minimize intake valve deposits, maintain a clean engine and maintain elastomer compatibility."
In time I will be using them.
https://www.advlubrication.com/collections/automotive-lubricants/products/passenger-car-motor-oil
I would like to try this one in my Golf, but can't find PDS or VOA anywhere.
I wish those guys at HPL offered free shipping on purchases of $100 or more like Amsoil does, and I'd be a customer. I couldn't stomach when they added another almost $40 in shipping cost to my $150 order so I bailed out. Not because of money but principle.
*6 qrts. is $64 before shipping ! No thanks , I'll use Valvoline Advanced 5W30 D1/ Gen 2 for $23 per 5 qrt. jug ... Low NOACK , Low VII's and a great add pack and an OCI up to 5K miles in a GDI engine - what's not to like ?