V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Torque on plenum bolts

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Old Oct 23, 2003 | 09:19 PM
  #1  
90v6rs's Avatar
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From: Pittsburgh, PA
Car: 1990 RS
Engine: 3.1 MPFI
Transmission: 700R4
Torque on plenum bolts

I don't know how to do all that much engine work. I was just wondering if I were to take off my plenum would I have to torque it a centain amount?
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Old Oct 23, 2003 | 10:36 PM
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Mathius's Avatar
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From: Northern Ohio
Pick up a Haynes or Chilton's. I think the plenum bolts are torqued to 15lbs, but I'd have to look. Just about everything has a torque spec. Whether or not you choose to take the risk of not torquing it is up to you. Some guys just wing it, other people are downright **** about it.

Mathius
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Old Oct 23, 2003 | 11:59 PM
  #3  
2_point8_boy's Avatar
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From: Castaic, CA
Car: 1988 Camaro RS
Engine: 2.8L of Raw POWER!!!
Transmission: Stick Shift
Axle/Gears: 3.42's
I go by German Torque : Goot-an-tight
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Old Oct 24, 2003 | 01:51 AM
  #4  
87CamaroMan's Avatar
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From: Johnstown, PA.
Car: Chevy Cobalt & Camaro
Engine: 2.2 DOHC/3.1
Transmission: Not so slushy slush box/Slush Box
Axle/Gears: Stock 3.23
I never used a torque wrench with my plenum.. And its fine... Just got the tight but, not to tight
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Old Oct 27, 2003 | 01:15 PM
  #5  
90v6rs's Avatar
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From: Pittsburgh, PA
Car: 1990 RS
Engine: 3.1 MPFI
Transmission: 700R4
If I were to buy a torque wrench what size would I need for the plenum?
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Old Oct 27, 2003 | 01:45 PM
  #6  
stuart69427's Avatar
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From: Fort Belvoir, VA USA
Car: 94 Camaro
Engine: 3.4L
Transmission: 4l60e
What do you mean by size? Do you mean which 'Drive' ???

I use a 1/2" Drive Dial Torque Wrench with a range of 0 ft-lbs through 100 ft-lbs

I also have a Slide Pin torque wrench thats also a 1/2" drive, which is an el-cheapo but a lot easier to use and "clicks" when you reach specified torque...

If it is only 15 ft-lbs, then tighting it by "winging it" could actualy crack something, it happens, trust me, use a torque wrench (Of course breaking an intake that belongs to the school is not the same than breaking you own)

Torque Wrenchs are measured in:

Drive (Where your socket mounts to)
Range (measured in ft-lbs or Nm (Neuton Meters))
Type
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Old Oct 27, 2003 | 02:01 PM
  #7  
90v6rs's Avatar
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From: Pittsburgh, PA
Car: 1990 RS
Engine: 3.1 MPFI
Transmission: 700R4
This may be one of the ultimate dumb @$$ question but how do you even use a torque wrench? I don't even know what one looks like.
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Old Oct 27, 2003 | 02:21 PM
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stuart69427's Avatar
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From: Fort Belvoir, VA USA
Car: 94 Camaro
Engine: 3.4L
Transmission: 4l60e


This is a beam style(also refered to as dial). You place a socket on it and begin to tighten a bolt just like you would with a ratchet. The beam will pivot and let you know how much torque you are appling to that bolt. When you reach the specification you stop tightening.



This style is a lot easier to use. You set the specification your looking to recieve on the handle. Very simular to a micrometer. You tighten until you hear a click which means you reached the spec. They also have a ratchet action with reverse. Much easier to use in my opinion
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