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05-03-2016, 03:39 PM
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#1 |
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Member
Join Date: Dec 2012
Location: Cashmere,WA
Posts: 59
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Exhaust/intake manifold ?
two more questions re: Manifold nut torque specs. Macs parts book says to torque these to 55lbs. Les Andrews mechanics book makes no reference re torque specs. previous post suggest snugging up and rechecking after a few running cycles.
My other question relates to the manifold washers. A previous response cautioned me to install the manifold washers correctly, The mechanics book makes no mention but the Macs parts book says to install them with the cup facing the manifold (outward?). Thanks to all, I have the parts here and will put them on in the morning. burt |
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05-03-2016, 03:48 PM
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#2 | |
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Senior Member
Join Date: Nov 2010
Location: Anchorage, Alaska
Posts: 9,115
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Re: Exhaust/intake manifold ?
Quote:
Like this:
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Alaskan A's Antique Auto Mushers of Alaska Model A Ford Club of America Model A Restorers Club Antique Automobile Club of America Mullins Owner's Club Last edited by CarlG; 05-03-2016 at 04:10 PM. |
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05-03-2016, 03:55 PM
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#3 |
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Senior Member
Join Date: Apr 2015
Location: KY
Posts: 296
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Re: Exhaust/intake manifold ?
I'd go with snugging them up tight. I use the two piece copper gasket from Snyder's. There will be other opinions.
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05-03-2016, 03:56 PM
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#4 |
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Senior Member
Join Date: May 2010
Location: In my garage
Posts: 465
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Re: Exhaust/intake manifold ?
I just installed exhaust and intake manifold, with a one piece copper gasket. I was told by the supplier 25 foot pounds. I went to 30 pounds just to make sure. I thought 25 is quite low. So far no problems have about 100 miles with new parts.
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05-03-2016, 04:39 PM
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#5 |
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BANNED
Join Date: May 2010
Location: Bucks County, PA
Posts: 11,454
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Re: Exhaust/intake manifold ?
Use a 3/8th ratchet w/ an extension and common sense...
Retighten after some hot and cold cycles using the same tools and again common sense. The washers are shaped like an igloo, put the outside of the igloo's roof against the nut. |
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05-03-2016, 05:15 PM
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#6 | |
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Senior Member
Join Date: May 2010
Location: Largo Florida
Posts: 7,225
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Re: Exhaust/intake manifold ?
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Quote:
Igloo roof, now thats a good way to say it. |
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05-03-2016, 06:02 PM
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#7 |
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Senior Member
Join Date: May 2010
Location: Santa Rosa, CA
Posts: 1,279
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Re: Exhaust/intake manifold ?
I use 35 on the manifolds. 55 is too much, that is head torque.
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05-03-2016, 06:10 PM
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#8 | |
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Senior Member
Join Date: May 2010
Location: St Charles , Missouri
Posts: 1,998
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Re: Exhaust/intake manifold ?
Follow Mitch's advice , excellent as always!
Tighten and re torque from center nuts to outer I like the felpro 1 piece metal clad gasket best Manifolds surfaced for best results Larry Shepard Quote:
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05-03-2016, 06:26 PM
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#9 |
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Senior Member
Join Date: May 2010
Location: Northern New Jersey
Posts: 1,262
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Re: Exhaust/intake manifold ?
Twenty Five (25) foot pounds is about right. Check from time to time.
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05-03-2016, 06:32 PM
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#10 |
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Senior Member
Join Date: Dec 2010
Location: FRESNO, CA
Posts: 12,560
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Re: Exhaust/intake manifold ?
Think of it this way: BIG BOLT=BIG long wrench! They're the SAME size as the HEAD BOLTS!
Bill Tight
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"THE ASSISTANT GURU OF STUFF" |
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05-03-2016, 08:57 PM
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#11 |
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Senior Member
Join Date: May 2010
Location: Bucks Co, Pa
Posts: 3,740
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Re: Exhaust/intake manifold ?
I like 45lbs! Important! Torque several times after hot and cold cycles, same as head bolts!
Terry |
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