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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHOil sump bolt / drain plug torque LN vs. FVD
Leading reported evidence
Tighten these drain plugs is the only thing
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1
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Suggestion
Over- tightening these drain plugs is the only thing that will cause issues with them.
Leading evidence: 'Tighten these drain plugs is the only thing' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Tighten these drain plugs is the only thing' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
Should I really use 50 for FVD and 26 NM for LN???
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Let's get to it.
This might be my most ridiculous thread to date. So bear with me! On my journey through m96/m97 engine life I acquired for my;
996.2 a FVD motorport oil pan with drain (henceforth referred to as "FVD")
997.1 X51 a LN engineering OIL drain plug (henceforth referred to as "LN") (note; as this car will not see track use and is a X51 I did not bother with deeper oil sump kit)
As for the questions;
1. the plugs look similar, with included crush washers. FVD has a torque spec of 50NM and LN 26 NM which seems like quite the difference. Should I really use 50 for FVD and 26 NM for LN???
1. for both I order copper washers as the ones included each costs around 1 USD which is way too much, but can copper / aluminum touching really lead to corrosion?
Thanks!
Aluminum will be very susceptible to galvanic corrosion in contact with copper in the presence of any electrolyte. Buy the correct washer. A new sump plate is expensive.
Use the torques supplied by the MFR. The LN plug has a 24 pound rare earth magnet inside it, and exceptionally high torques can cause the plug to deform.
FSI developed the magnetic drain plug, and determined the adequate torque based on the stretch of the plug. Engine temperature was also a consideration.
Over- tightening these drain plugs is the only thing that will cause issues with them.
Trust that the physical characteristics between plugs is the only thing confusingly similar between them. Differences in materials, magnet strength and anodizing processes can't be seen. These are the things that determine the torque value. This is why you follow the directives, and know that they were created from more than just guesswork.
When in doubt, contact the manufacturer.
I got quick responses from FVD when I purchased my first GT3 Cup front lip spoiler. (before it was discontinued)
I've gotten multiple lightening fast responses from LN about many things.
Hey hey,
I agree with you 100% on LN however with regards to FVD my experience is a hit or miss, I asked them about crush washers etc on the oil pan and all I got in return was the instructions manual.
I've opened tickets with LN on a holiday weekend and received a call within 30 minutes.
I didn't expect an answer until sometime the next business day.(or two)
Rhonda with FVD was quick to respond to me. (Especially compared to most businesses)
But LN is one of the best.
This is a source reference. Confirm exact model applicability in the original material.
