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Old 05-13-2017, 09:00 PM   #1
DIESEL_POWER

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Bw comp nut torque spec

Does anyone here know the BW sxe 400 series compressor nut torque spec? NM or Ft lbs is fine. Thanks
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Old 05-14-2017, 02:58 AM   #2
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German torque spec is gut-en-tight.

English translation: Good and tight!

Many of the aftermarket billet compressor wheels for the S400 series turbos with an integrated nut work well with 25 ft lbs as a torque spec.
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Old 05-14-2017, 06:55 AM   #3
DIESEL_POWER

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Dry with no lock tite?
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Old 05-14-2017, 07:11 AM   #4
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25 lbs seems really low
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Old 05-14-2017, 07:55 AM   #5
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Quote:
Originally Posted by blackmega3500 View Post
New to diesel I see...... lol

Seriously though, I wouldn't expect this question from you!
Lol, I don't do turbo work usually. Just engine stuff.
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Old 05-14-2017, 09:22 AM   #6
allan5oh

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Honestly I thought 25 might be a tad high!

you guys usually put high temp loctite on there too right?
 
Old 05-14-2017, 09:31 AM   #7
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I believe I was told 15 ftlbs when I got my billet wheel years ago.
 
Old 05-14-2017, 09:49 AM   #8
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75ftlbs Wadeo
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Old 05-14-2017, 12:13 PM   #9
DIESEL_POWER

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Quote:
Originally Posted by TMONEYDIESEL View Post
75ftlbs Wadeo
I see you haven't changed much....

Quote:
Originally Posted by blackmega3500 View Post
Ahhh.....

Just like II is good at bolting parts on and strapping it to a dyno! Leave the rest to the pros lol! Maybe Lavon can share he's secret squirrel torque specs!?

I like the 75ftlbs idea.... those sxe400's have those fancy arp compressor collars right lol?!

Your very mistaken, II does a lot of design and engineering, with that said it's mothers day weekend and can't get ahold of them, figured the boys on the net may have the info.....but I can see only a few attempted to help.
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Old 05-14-2017, 12:47 PM   #10
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Engine oil the threads, flat surface on compressor and nut. Go snug then a little less than a 1/4 turn.
 
Old 05-14-2017, 01:05 PM   #11
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With the way you were riding Baca's nuts, I thought you would have had everyone at II's phone number, email, blood type, home address, and SS#.
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Old 05-15-2017, 08:49 AM   #12
DIESEL_POWER

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Reputable shop told me 30lbs with red lock tite. For those wondering. Book says snug and 90* with is between 25-30lbs
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Old 05-15-2017, 09:05 AM   #13
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40 N-M.

Dry or lightly lubed on the threads only. Loctite isn't a bad idea but isn't necessary when properly torqued. I prefer vibra-tite. If you are running some major boost numbers it isn't a bad idea to pin the wheel to prevent it spinning on the shaft.
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Old 05-15-2017, 12:04 PM   #14
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Would it have to be rebalanced if it was pinned?
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Old 05-15-2017, 12:11 PM   #15
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Would it have to be rebalanced if it was pinned?
Would definitely re balance after a pin job.
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Old 05-15-2017, 09:56 PM   #16
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Quote:
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With the way you were riding Baca's nuts, I thought you would have had everyone at II's phone number, email, blood type, home address, and SS#.
 
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