Originally Posted By: omegaspeedy
... I don't think they tried enough RPM variations.
They varied between 6 tests until they found "The lower engine load, the more deposit formed"
Originally Posted By: omegaspeedy
There are different qualities and configurations of catch can. The length of...
Originally Posted By: Olas
It's not the DI that's causing deposits, and it's not the lack of a good air filter either.
Those IVDs are 100% attributable to dry soot from EGR mixing with oily vapour from PCV. Map out or block off EGR and VTE or VTA on the PCV, you'll never see another deposit...
Originally Posted By: Bailey28
BitterShard, I haven't found Shell Helix ACEA A5 here in Florida. Do you think they filled the engines with oil in South Korea then shipped them over here? Also, what weight of Shell Helix did they install at the factory?
I believe that Shell Helix is Penzoil...
Originally Posted By: Miller88
How does calcium in the oil cause detonation?
From a post by Wemay on another forum this link:
A Study on the Effect of a Calcium-Based Engine Oil Additive on Abnormal SI Engine Combustion
Quote:
The experimental results showed that autoignition occurred...
I started the thread 2015 Hyundia Veloster Turbo, OEM requirements on this subject.
Either the Valvoline Synpower 5w30 or the Castrol Edge 5w30 will meet the manufacturer's warranty requirements.
I have selected the Castrol Black for its TEOST Results and Calcium level.
LSPI may also be...
I like the extra space removing the cover gives. I like Wix for this, make sure that there is a replacement o-ring in the box. Also Dodge changed the design in 2013?, make sure you get the newer design or no oil pressure
Originally Posted By: CurtisB
The Ford 5.0L TI-VCT has port injection... with port injection where I have the solvency of gasoline to help clean them...
The report first demonstrated that gasoline detergents were sufficient to control IVD in port injected engines (page 7). The rest of the...
It is possible that adding a oil catch can to your engine will not help prevent intake valve deposits (IVD) and could actually increase them.
wemay posted a 2013 Japanese study on IVD, and on page 14 they showed that on the Hyundai GDI engine they were testing:
Quote:
"By passing the...
Originally Posted By: Michael_P
Why isn't General Motors called; General Engines? Why does an engine lathe have an electric motor?
And why are we discussing this on the Passenger Car Motor Oil forum?
Shouldn't this forum be limited to one long thread complaining about the lack of oils...
Hyundai likes that vague spec. My Hyundai Veloster Turbo had the same oil spec. It is also rumored to have a factory fill of Shell Helix A5.
We discussed US oils that meet that spec here.
BTW, I am going with Castrol Edge w/Ti
Originally Posted By: ExMachina
Hyundai uses a huge amount of moly in their FF !'
See http://www.veloster.org/forum/69-hyundai-veloster-oil/7298-laboratory-analysis-factory-fill-oil.html
"...factory fill for the Veloster Turbo is Shell Helix ACEA A5" [rant against low weight, "fake" synthetic...
Originally Posted By: JFK
Compared to cam gears chains are pussycats. I would not worry about it. Their is a reason their is not a timing chain test used to test shearing of PCMP's.
So GF6 is introducing a Timing Chain Wear Test because they were bored?