Exhaust manifold torque spec I am replacing the exhaust manifold gasket. What is the torque spec?
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Re: Exhaust manifold torque spec The book says 45 ft #, but I don’t go quite that high.
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Re: Exhaust manifold torque spec Thank you!
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Re: Exhaust manifold torque spec If you use the brass hexa, than torque only 50 %.
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Re: Exhaust manifold torque spec I used the copper ones from Bert's!
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Re: Exhaust manifold torque spec Easy to break a manifold. Torque progressively and evenly.
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Re: Exhaust manifold torque spec I don't think that Ford listed torque specs . I only tighten model A manifolds with a three eight ratchet and a six point socket and common sense . The shorter handle on a three eights ratchet is usually a good bit shorter than a one half inch drive ratchet or pull handle and should reduce the risk of over tightening . After the engine goes through a heat and cool cycle , retighten .
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Re: Exhaust manifold torque spec ive heard 35-55. 45 is what I do. 75-100 will crack the manifold. both at one time if your real lucky.
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Re: Exhaust manifold torque spec Bratton's states 25 to 30 lb
Better safe than sorry |
Re: Exhaust manifold torque spec The human body is amazing,Ford mechanics were taught 'feel',torque wrenches were not used. Skills were imparted,a journeyman would guide an apprentice,much as it is today.
The human body is amazing? yes sir,once a feel for the tension on an assembly is developed,its truly amazing how the brain and body work together to duplicate the same 'feel' I've actually seen the results against a torque wrench,once you have a feel for a value repeat it a few times and test it with a torque wrench,you'll be surprised. I've also seen great consistency between a mechanic and his air operated impact wrench..know some cats who swore by a butterfly,they could nail an assembly.Flat rate specialists,real fast operators.. |
Re: Exhaust manifold torque spec I went to #35 with no issues. I retorque periodically.
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Re: Exhaust manifold torque spec Fifty five foot pounds is usually a safe torque for heads and manifolds , if you prefer to use a torque wrench .
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Re: Exhaust manifold torque spec 25-35# is best. retorque a few times and save your manifold.
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Re: Exhaust manifold torque spec Make sure the washers are on correctly! One hand torque re torque after heat cycles.
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Re: Exhaust manifold torque spec Quote:
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Re: Exhaust manifold torque spec How important is it to use the correct concave manifold washers?
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Re: Exhaust manifold torque spec Most important !!!
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Re: Exhaust manifold torque spec Tight enough but not too tight, just like in the days when the car was built.
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Re: Exhaust manifold torque spec Quote:
I will get them. Mac |
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