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VQ35DE Engine Bay Bolt Sizes

  #1  
Old 11-08-2011, 11:25 AM
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VQ35DE Engine Bay Bolt Sizes

I get this question every week about bolt sizes in the engine bay. RRYDE was kind enough to put together the below guide. Thanks Randy!

Originally Posted by RRYDE View Post
With so many people asking me about bolts. Here is the leg work done for you on sizes and quantity. Please do not take this as to being 100% accurate, but it should be damn close.





---------------------------------------(QTY) ----------Size mm

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

Plenum Brackets : ( 4 )6mm x 14mm

Lower Collector : ( 4 )8mm x 40mm - ( 4 )8mm nuts

Throttle Body : ( 4 )6mm x 45mm

Fuel Line bracket : ( 2 )6mm x 35mm

Dip Stick guide : ( 1 )6mm x 40mm

VTC Solenoids : X2 ( 3 )6mm x 35mm - cover bolt X2 ( 1 )6mm x 14mm

Camshaft Bracket ( what vtc solenoid is bolted to ): X2 ( 4 )6mm x 55mm * Need to reuse oem washer from oem bolt.

Coil Packs : ( 6 )6mm x 20mm

Brackets on valve covers : ( 6 )6mm x 14

Timing Cover : ( 20 )6mm x 25 * There is one that can only be replaced if crankshaft pulley is removed. - ( 2 )8mm x 70mm * lower end of cover. *( 6 )6mm x 14mm to fill empty holes.

Cam Covers : X2 ( 5 )6mm x 16mm

Cam Covers ( rev up ) : X2 ( 7 )6mm x 16mm

Water Pump cover : ( 4 )6mm x 14mm

Chain Tensioner cover : ( 3 )6mm x 14mm

Thermostat : ( 3 )6mm x 30mm

Coolant Pipe ( passenger side ) : ( 1 )8mm x 20mm

Ground Wire ( on timing cover ) : ( 1 )8mm x 20mm - ( 1 )6mm x 14mm

Ground Wire ( on frame ) : ( 2 )6mm x 14mm

Power Steering Pump : ( 2 )8mm x20 - ( 1 )8mm x 45mm

Lower Alternator bracket : ( 2 )8mm x 20mm

Drive Belt tensioner pulley bracket : ( 3 )8mm x 20mm

AC Belt tensioner pulley bracket : ( 3 )8mm x 20mm

Strut / Coilover : X2 ( 3 )8mm nuts

Hood Hinge : ( 4 )8mm nuts

Hood Pin Switch bracket : ( 2 )6mm x 14mm

Power Steering tank bracket : ( 3 )6mm x 25mm

Hood Latch : ( 3 )8mm x 20mm

Core Support : ( 4 )8mm x 20mm

Head Lights : ( 2 )6mm x 25mm

Fenders : ( 8 ) 6mm x 14mm - * if using hood dampers, only ( 6 ) are needed

Cowel : ( 1 )6mm x 14mm * at firewall

Overflow Tank : ( 1 )6mm x 14mm
Windshield wiper nuts - (2) 10mm x 1.25
 

Last edited by CandlestickPark; 12-28-2011 at 04:44 PM.
The following 13 users liked this post by CandlestickPark:
Bunthis2 (12-23-2012), Chief.Crappin.Squirrel (11-08-2011), G35Papa (09-09-2012), GreenGoblin (11-09-2011), JaE35 (11-08-2011), jazzy (11-11-2011), NorthSideRacing (01-09-2013), PAIXAO (11-08-2011), redpearl99 (11-08-2011), ShadowDrifter (07-09-2014), Shanes_G (10-05-2014), Weedles21 (03-02-2018), Z1Motorsports (11-09-2011)
  #2  
Old 11-08-2011, 11:29 AM
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nice only if we could get a thread like this for the hose sizes
 
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Old 11-08-2011, 01:13 PM
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THIS is what I call STICKY material!!!

Bravo!
 
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RRYDE (11-09-2011)
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Old 11-08-2011, 01:54 PM
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I think Randy deserves 3 BIG cheers for this one.....best sticky so far
 
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RRYDE (11-09-2011)
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Old 11-08-2011, 05:50 PM
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What are the thread pitches?
 
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Old 11-08-2011, 05:58 PM
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thanks it took me a long time at ace bringing in each bolt and measuring it out but this should be easier!!
 
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RRYDE (11-09-2011)
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Old 11-08-2011, 06:01 PM
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Im pretty sure all 6M are 1 and all 8M are 1.25
 
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Row2k (12-18-2011)
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Old 11-08-2011, 08:14 PM
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Originally Posted by redpearl99 View Post
Im pretty sure all 6M are 1.00 and all 8M are 1.25

Yes, that is correct.
 
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Old 11-09-2011, 11:29 AM
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Originally Posted by redpearl99 View Post
Im pretty sure all 6M are 1 and all 8M are 1.25
Thanks for that!
 
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Old 11-09-2011, 06:05 PM
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There are two bolts; Alternator Upper Mounting Bolt and Power Steering Pump Lower Mounting Bolt that are difficult to replace with socket head bolts. There 10mm X1.25 X 110mm and 10mmx1.25x125mm. The longest fine thread I could locate in socket head is 100mm.
 
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Old 11-09-2011, 06:16 PM
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^ive never heard of 10mmx1.25.....I thought 10mm only comes in 1.5
 
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Old 11-09-2011, 06:22 PM
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Very nice list Randy! That will come in very handy for reference.
 
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Old 12-18-2011, 09:28 PM
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hallelujah !!! Good sticky
 
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Old 12-26-2011, 12:15 AM
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bump, would anyone also happen to have the size of the valve cover bolts ?
 
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Old 12-28-2011, 04:42 PM
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Windshield wiper nuts - 10mm x 1.25

ARP vs OEM
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