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VQ35DE Engine Bay Bolt Sizes

  #16  
Old 01-14-2012, 04:34 PM
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Update:

In case you are wondering what grade SS bolts are required to replace OEM bolts, I have learned that the weird markings on some OEM bolts are actually Nissan's OEM bolt grades. However, not all OEM bolts have these markings

Nissan OEM Bolt Grades:

7T ("7") = 8.8
9T ("9") = 9.8
10T ("10") = 10.9
12T ("12") = 12.9
 
  #17  
Old 05-02-2012, 02:00 PM
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CORRECTION:

Throttle body bolts are M6 x 55mm, they are NOT M6 x45mm
 
  #18  
Old 08-14-2012, 12:24 AM
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thanks for the sticky

plan on installing a polished upper plenum and a polished timing cover and want to replace old corroded ones for stainless steel ones.... what are the main bolts and screws i need to replace?

sorry for the noob question, just started researching and trying to find a shortcut to the answer. since I'm trading parts with Vivek id like to send him my old parts asap for him.
 

Last edited by MPG35fiend; 08-14-2012 at 12:35 AM.
  #19  
Old 10-04-2012, 12:28 PM
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Great sticky

Does anyone know if 50mm or 60mm would work with a spacer? The bolts I'm looking at don't come in 55mm

Upper Plenum : ( 9 )6mm x 25mm - (3 )6mm x 45mm - ( 4 )6mm x 60mm - (2)6mm nuts
Using a plenum spacer, add 10mm to length to all bolts
Thanks!
I winded up buying the 60mm and they fit just fine with my 5/16" spacer.
 

Last edited by G35Papa; 11-01-2012 at 11:32 AM.
  #20  
Old 10-27-2012, 08:53 PM
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Does anyone know the size of the engine cover Nuts and bolts? I just broke one.

2 Nuts
2 bolts
 
  #21  
Old 11-01-2012, 03:15 AM
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Originally Posted by G35Papa View Post
Great sticky

Does anyone know if 50mm or 60mm would work with a spacer? The bolts I'm looking at don't come in 55mm



Thanks!
+1 I also would like to know this
 
  #22  
Old 11-01-2012, 11:30 AM
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I forgot I had posted this

I winded up buying the 60mm and they fit just fine with my 5/16" spacer.
 
  #23  
Old 11-01-2012, 11:32 AM
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Originally Posted by neo_anderson302 View Post
Does anyone know the size of the engine cover Nuts and bolts? I just broke one.

2 Nuts
2 bolts
You can use m6 bolts/nuts to replace those.
 
  #24  
Old 12-08-2012, 01:11 AM
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anybody know the best place to buy all these?
gonna need to make a nice purchase of almost all listed at some point
 
  #25  
Old 12-08-2012, 02:04 AM
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Here's a couple of sources I've used before

http://dmpfasteners.com/
http://www.allensfasteners.com/

You can also buy dress up kits from R1 Autoworks

https://g35driver.com/forums/engine-...ml#post6631278
 
  #26  
Old 09-23-2014, 08:20 PM
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Bolts, 12-Point Head, Stainless 300, Polished, 6mm x 1.00 RH Thread, 25mm UHL

Is this correct for the timing cover?
 
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