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| | | | Joined: Apr 2007 Posts: 88 Shop Shark | | Shop Shark Joined: Apr 2007 Posts: 88 | is there a preferred order to install the exhaust and intake manifolds ? looking to buy pass the school of hard knocks | | | | | Joined: Apr 2007 Posts: 88 Shop Shark | | Shop Shark Joined: Apr 2007 Posts: 88 | I know I know your all laughing at me. It looks simple 1st on is the exhaust then gasket then intake right! but all the time I see threads on somebody has to replace the old ones because after they had installed them they leak and sometimes ruined there 1st set. So that's what I am asking if they are that delicate it there better way to install for best sealing and least risk of damage | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Stock manifolds or aftermarket (Offy/Fenton) ? There will be some differences in how they install. In any case, the gasket and port rings go first, then exhaust, then intake. If you are using the stock manifolds, you'll want to bolt them together at the heat riser first, then install. Replacing the bolts with studs helps as well, as they help hold the gasket in place. See the pic at the bottom of this page for proper tightening sequence and torque specs.
Bill Burmeister
| | | | | Joined: Apr 2007 Posts: 88 Shop Shark | | Shop Shark Joined: Apr 2007 Posts: 88 | | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
What engine are you referring to?
If it is a 216/235/261 in a standard cab truck, did you take your stock manifold assembly apart? If so, after you assembled the two pieces you might want to have have the port side planed/ground/surfaced.
| | | | | Joined: Feb 2006 Posts: 1,867 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 1,867 | Ive never had mine apart, but I seem to recall some posts regarding issues with alignment. I was thinking it might be best to bolt the intake and exhaust together loosly, then install, tightening up everything a little at a time. Any thoughts on that? | | | | | Joined: Jun 2008 Posts: 1,388 Shop Shark | | Shop Shark Joined: Jun 2008 Posts: 1,388 | I think you are right Rusted nuts.
I do know that the procedures are outlined in the shop manual. | | | | | Joined: Apr 2007 Posts: 88 Shop Shark | | Shop Shark Joined: Apr 2007 Posts: 88 | it is a 235 and Rustynuts I believe you right THANKS Ive never had mine apart, but I seem to recall some posts regarding issues with alignment. I was thinking it might be best to bolt the intake and exhaust together loosly, then install, tightening up everything a little at a time. Any thoughts on that? | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | I will second that. The two manifolds should be bolted together loosely and tightened after mounting. I use two of the interior bolt positions to hold the gasket in place. After some of the other bolts are started, I remove them and mount the real hardware. The thing to look for is to make sure the locating rings don't get hung up. They should not provide any resistance when mounting the manifold. | | |
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