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Re-visiting Nosedrive drains
In response to a PM asking how it works for me:
Yup. It's really cool. It starts to dribble slowly when I open the drain, and really flows when I open the SC plug. I've done it once since the install. Drains right out when it's pre-warmed. And with the drain placement, It's at the low point. I jack up the RF for a couple minutes to get any extra out of the ND bearings (there's actually oil between them), then lower it back down to finish. Jacking the RF isn't required. But all of our superchargers, with or without a drain trap a little bit of oil between the two bearings in the nosedrive. Jacking up the RF for a minute or two will help drain this out as well. Reposting my original, as I'd like to see more M62's do this, and see someone find the best workable spot for an M90: The fitting I chose is rated for 6000psi @ 70°F, or 100psi @ 250-400°F. Nosedrive temps from the WCBF crew (thanks to the Bullet) peaked at 160°F after each run on a 100°+ day. So a 200° rating would be safe (considering your fitting or valve, if you choose to do this, would be somewhat in the moving airstream). Centerpunch your start hole: https://i14.photobucket.com/albums/a...ren/drain1.jpg Drill a pilot hole: https://i14.photobucket.com/albums/a...ren/drain2.jpg Notice how it will overlap the ridge? And pick up the 'low spot'? https://i14.photobucket.com/albums/a...ren/drain3.jpg Drill with a letter "R" drill: https://i14.photobucket.com/albums/a...ren/drain4.jpg I missed by a tidbit, but it'll all work out in a minute or two: https://i14.photobucket.com/albums/a...ren/drain5.jpg Tap with a 1/8-27 (NPT) tap: https://i14.photobucket.com/albums/a...ren/drain6.jpg Test fit: https://i14.photobucket.com/albums/a...ren/drain7.jpg These 3 pics show how I shaped a 'cup' or 'pickup channel' to make sure it fully drains: https://i14.photobucket.com/albums/a...ren/drain8.jpg https://i14.photobucket.com/albums/a...ren/drain9.jpg https://i14.photobucket.com/albums/a...en/drain10.jpg The angle you want for an M62 to be able to gain easy access. Roughly 'aimed' at the end of the ND shaft: https://i14.photobucket.com/albums/a...en/drain11.jpg Seal appropriately. I'm using the red goop. We're all familiar with that stuff. Starting the mess yesterday: https://i14.photobucket.com/albums/a...n/weekend1.jpg Bo was bored, but enjoyed the brief lapse in the foul weather: https://i14.photobucket.com/albums/a...n/weekend2.jpg 5 months of running doesn't look too bad. SC outlet gasket lifted off in one piece: https://i14.photobucket.com/albums/a...n/weekend3.jpg Belt dust? From the Accessory belt. Tensioner was weak. It's running with a new one now, upgraded to a 3.25" oversized pulley to make up for the smaller Alt pulley (this is with a GATES belt I might add, the Gatorback on the other path is fine): https://i14.photobucket.com/albums/a...n/weekend4.jpg Water injection (even with infrequent use) keeps SC rotors pretty clean, doesn't it? https://i14.photobucket.com/albums/a...n/weekend5.jpg New drain for the nosedrive: https://i14.photobucket.com/albums/a...n/weekend6.jpg Another view of the drain: https://i14.photobucket.com/albums/a...n/weekend7.jpg |
This an an EXCELLENT Series one mod.
Especially once you are spinning the SC at insane rpms in comparission to stock..you need to change that oil a bit more..not necessarily because it requires it, but, its a nice peice of mind...M90s are a DREAM to change in comparission..but with this mod, you're laughing |
There's a nasty side-effect. That brand new coupler I installed on Jan29th started showing signs of failure about 2 months ago. ;) Purely a result of the 2.0" pulley, but what this means for the drain is that I'll use it only once a year, then have to pull the nosedrive for a coupler change.
Drain it at 6 months, pull at 12. |
I kinda figured that 2" would be hard on the coupler..something about..idle to WOT in short burps..that i think MIGHT be hard on it.. :lol:
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Originally Posted by SSEimatt93
I kinda figured that 2" would be hard on the coupler..something about..idle to WOT in short burps..that i think MIGHT be hard on it.. :lol:
M90's are nice to change in comparision the the M62, no doubts there. |
Willwren is this with an OEM coupler or a ZZP "Green" one?
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ZZP/Intense Coupler
im sure its cheaper than an OEM Eaton coupler and easier to get your hands on. Plus u can get the nifty Service kits from INTENSE 8) |
Originally Posted by SSEimatt93
ZZP/Intense Coupler
im sure its cheaper than an OEM Eaton coupler and easier to get your hands on. Plus u can get the nifty Service kits from INTENSE 8) Yes it was a green unit :shock: . |
Bill had an oem coupler..
in 2002? :lol: That was on his FIRST supercharger as well. A car like his requires a few. Gotta test shit out u know eh! |
Zilla's OEM supercharger (since ported and polished) now lives on Driverjohn's 92 SSEi If I'm not mistaken.
The coupler in the Zilla's CURRENT SC was installed when that Gen3 swap was installed in January of this year. It was a ZZP coupler, and is in no way defective. The abuse the 2.0" Pulley applies to the coupler is the sole reason for the early failure. |
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