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#1 |
Registered User
Join Date: Feb 2011
Location: Senatobia, MS
Posts: 1,294
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These gaskets ok?
I know alot of folks don't use gaskets on ram horn manifolds but these came with them and I figured I would spray some copper sealer on them and use them.
Are these ok or should I get different ones? These are my first set of ram horns so I appreciate the input.
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Once a Marine, always a Marine! My (Her) 57 Build "Beverly" My 66 Build "Betty" My 85 C10 "Old Blue" Help Me Find "Old Blue" OLD BLUE PART II |
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#2 |
Never Ending Projects
Join Date: Jul 2006
Location: San Diego, CA
Posts: 3,836
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Re: These gaskets ok?
Those look like the ones for the ends. You should have ones for the double ports in the middle. I would use them, run them a few miles to get some heat in them. Let them cool off and then retorque the bolts.
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. 1965 C10 Panel, ![]() 1968 Chevy C10, Long, Fleetside, Hot Rod Hauler http://67-72chevytrucks.com/vboard/s...d.php?t=313233 SOLD 1965 Chevy C10, Long, Fleetside, Hot Rod C10 http://67-72chevytrucks.com/vboard/s...d.php?t=415702 SOLD We were given two ears and one mouth for a reason... listen twice as much and speak half as often... |
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#3 |
60-66 Nut
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Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: These gaskets ok?
I agree with chevy_mike. I would use those gaskets and retorque them each time after the first 2 or 3 heat cycles.
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#4 |
Registered User
Join Date: Feb 2011
Location: Senatobia, MS
Posts: 1,294
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Re: These gaskets ok?
Yes,
I've got the rest of them in a bag for the middle ports. Should I spray that copper gasket stuff on them or just install them dry?
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Once a Marine, always a Marine! My (Her) 57 Build "Beverly" My 66 Build "Betty" My 85 C10 "Old Blue" Help Me Find "Old Blue" OLD BLUE PART II |
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#5 |
Registered User
Join Date: Aug 2013
Location: sumterville, florida
Posts: 914
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Re: These gaskets ok?
if your heads and manifolds are flat i wouldn't use them. gm didn't
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#6 | |
Never Ending Projects
Join Date: Jul 2006
Location: San Diego, CA
Posts: 3,836
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Re: These gaskets ok?
Quote:
Oh and I have installed them dry.
__________________
. 1965 C10 Panel, ![]() 1968 Chevy C10, Long, Fleetside, Hot Rod Hauler http://67-72chevytrucks.com/vboard/s...d.php?t=313233 SOLD 1965 Chevy C10, Long, Fleetside, Hot Rod C10 http://67-72chevytrucks.com/vboard/s...d.php?t=415702 SOLD We were given two ears and one mouth for a reason... listen twice as much and speak half as often... |
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#7 | |
Registered User
Join Date: Aug 2013
Location: sumterville, florida
Posts: 914
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Re: These gaskets ok?
Quote:
assuming, of course, the op has an engine of that era. otherwise gaskets were aftermarket. if the heads/manifolds are flat they will seal up and last longer without the gaskets. gaskets tend to fail over time if you insist on using gaskets install dry. you can use something like 3m spray adhesive to hold them in place if you need to. |
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#8 |
Never Ending Projects
Join Date: Jul 2006
Location: San Diego, CA
Posts: 3,836
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Re: These gaskets ok?
Well I guess the original 327 in my first '68 C10 and my original 350 in my '69 Camaro don't count. Both had never had the exhaust manifolds off prior to me pulling the engines.
__________________
. 1965 C10 Panel, ![]() 1968 Chevy C10, Long, Fleetside, Hot Rod Hauler http://67-72chevytrucks.com/vboard/s...d.php?t=313233 SOLD 1965 Chevy C10, Long, Fleetside, Hot Rod C10 http://67-72chevytrucks.com/vboard/s...d.php?t=415702 SOLD We were given two ears and one mouth for a reason... listen twice as much and speak half as often... |
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#9 |
Registered User
Join Date: Aug 2013
Location: sumterville, florida
Posts: 914
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Re: These gaskets ok?
i don't want to get into a pissing contest because i really don't care. just stating facts. i worked first in a chevy dealership parts dept then on the line in the 60's to the early 80's and they didn't come in off the car hauler with gaskets on the exh manifolds. exception would be the z28 with headers but if i remember correctly that was a dealer installed option.
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#10 |
Registered User
Join Date: Feb 2013
Location: central California
Posts: 2,735
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Re: These gaskets ok?
My local machinist says if the manifolds are new or freshly surface and the head mating surface is machined as well tthen you don't need them. But, if your stuff is less than ideal, just use them. That's what they're for.
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