Re: How do I block the exhaust cross-over?
[Re: VITC_GTX]
#978481
04/23/11 07:34 AM
04/23/11 07:34 AM
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Joined: Jun 2003
Posts: 3,325 Truckville, the capital of NY
85_Ram_4speed
master
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master
Joined: Jun 2003
Posts: 3,325
Truckville, the capital of NY
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Just find some thin sheet metal and cut out a couple rectangles bigger than the crossover opening in the head. I get a lttle more extragevent and have a tiny tab on the end of the plate i bend to 90 degrees so it holds in place better while putting the intake gaskets on. Just use a little silicon to hold them onto the head, and put your intake gaskets over that. Done. I do this to any engine I do that wont see any cold weather use. If you email me, I can send you a pic when I cut a set for a 383 and 440 I am getting ready to button up here.
If your after just filling the hole in the bottom of the intake, A little JB weld will hold just fine there if the surface is clean--i would get some aluminum cleaner---BUT, you still need to block it off at the heads as it will blow the JB weld back out eventually.
Outcast Dodge guy.
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Re: How do I block the exhaust cross-over?
[Re: VITC_GTX]
#978484
04/23/11 02:23 PM
04/23/11 02:23 PM
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Joined: Jan 2003
Posts: 21,085 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,085
Niles , Ohio
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I did have some of FelPro block offs laying aroud here.Dont know if I can find them but if I do Ill send them to you.I always just buy the pan with the blocks.Rocky
Chrysler Firepower
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Re: How do I block the exhaust cross-over?
[Re: Mopar_Country]
#978486
04/23/11 06:26 PM
04/23/11 06:26 PM
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Joined: Mar 2003
Posts: 15,493 the boonies
aarcuda
I Live Here
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I Live Here
Joined: Mar 2003
Posts: 15,493
the boonies
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i cut out some sheet aluminum and welded it into openings in the aluminum manifold.
then milled the welds down flush
It's got a cop motor, a 440 cubic inch plant, it's got cop tires, cop suspensions, cop shocks. It's a model made before catalytic converters so it'll run good on regular gas.
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Re: How do I block the exhaust cross-over?
[Re: aarcuda]
#978487
04/23/11 06:54 PM
04/23/11 06:54 PM
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Joined: Sep 2004
Posts: 1,828 houston texas
gremlinsteve
top fuel
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top fuel
Joined: Sep 2004
Posts: 1,828
houston texas
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a roll of aluminum foil. tear of sheets of it and pack it in..keep going until your satisfied with it.
it works btw and is a older way of doing it....
steve
if You Like Gremlinsteve. Gremlinsteve Likes You.
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Re: How do I block the exhaust cross-over?
[Re: VITC_GTX]
#978490
04/24/11 12:58 AM
04/24/11 12:58 AM
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Joined: Jan 2003
Posts: 6,591 Canton, Ohio
Sport440
master
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master
Joined: Jan 2003
Posts: 6,591
Canton, Ohio
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Quote:
Thanks to all for the good tips.
Rocky- Thanks for the offer to send the block offs!
I think I'll just cut some thin stock and lay them in there. Or maybe's Steve's idea of tin foil
Why not just buy the $20.00 block off vally pan.
To do any other block off option , you will have to remove the intake anyways and want a new pan gasket.
The Tin foil plug is a old school idea. I did that back in 1976 It didnt last though
Maybe I didnt cram the tin foil balls in there hard enough. After a year, when I took the intake off, all of the tin foil was gone
The forces of exhuast pressures and heat were enough to remove the tin foil restriction over time.
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Re: How do I block the exhaust cross-over?
[Re: Sport440]
#978491
04/24/11 01:29 AM
04/24/11 01:29 AM
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Joined: Sep 2004
Posts: 1,828 houston texas
gremlinsteve
top fuel
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top fuel
Joined: Sep 2004
Posts: 1,828
houston texas
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ya gotta use alot of it i know. its gonna take up alot of that roll.
just a suggestion
if You Like Gremlinsteve. Gremlinsteve Likes You.
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