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Filled exhaust crossover.
#1967254
12/10/15 06:49 PM
12/10/15 06:49 PM
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Joined: Mar 2005
Posts: 576
Texas
ChevyTS
OP
mopar
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OP
mopar
Joined: Mar 2005
Posts: 576
Texas
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I thought some may find this interesting.
T & K Performance
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Re: Filled exhaust crossover.
[Re: ChevyTS]
#1967256
12/10/15 06:50 PM
12/10/15 06:50 PM
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Joined: Mar 2005
Posts: 576
Texas
ChevyTS
OP
mopar
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OP
mopar
Joined: Mar 2005
Posts: 576
Texas
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Two more!
Last edited by ChevyTS; 12/10/15 06:50 PM.
T & K Performance
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Re: Filled exhaust crossover.
[Re: ChevyTS]
#1967354
12/10/15 09:33 PM
12/10/15 09:33 PM
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Joined: Jan 2007
Posts: 685
pennsylvania
poboyengineering
mopar
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mopar
Joined: Jan 2007
Posts: 685
pennsylvania
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I've seen guys melt old pistons down to fill the crossover.
It may be ugly, but it sure is slow.
Girls comb their hair in rear view mirrors and the boys try to look so hard....
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Re: Filled exhaust crossover.
[Re: ChevyTS]
#1967417
12/10/15 11:17 PM
12/10/15 11:17 PM
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Joined: Sep 2014
Posts: 4,457
Washington
madscientist
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master
Joined: Sep 2014
Posts: 4,457
Washington
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If you did it with the head at ambient, it will probably shrink and just clink around in there.
I gave up filling those along time ago. Found some flow on the bench but never found it on the dyno.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: Filled exhaust crossover.
[Re: madscientist]
#1967420
12/10/15 11:20 PM
12/10/15 11:20 PM
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Joined: Sep 2014
Posts: 181
Maryland
twayne24365
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member
Joined: Sep 2014
Posts: 181
Maryland
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If you did it with the head at ambient, it will probably shrink and just clink around in there.
I gave up filling those along time ago. Found some flow on the bench but never found it on the dyno. That's good to hear, I didn't block mine
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Re: Filled exhaust crossover.
[Re: ChevyTS]
#1967513
12/11/15 01:53 AM
12/11/15 01:53 AM
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Joined: Mar 2005
Posts: 576
Texas
ChevyTS
OP
mopar
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OP
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Joined: Mar 2005
Posts: 576
Texas
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I heated the cylinder head up before I filled the crossover. This was actually a practice run for job that I am working on. I am building a 1969 455 Olds engine with a set of C castings. The Olds heads have huge exhaust crossover passages. Filling then helps quite a bit.
T & K Performance
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Re: Filled exhaust crossover.
[Re: ChevyTS]
#1967566
12/11/15 03:09 AM
12/11/15 03:09 AM
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Joined: Sep 2014
Posts: 4,457
Washington
madscientist
master
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master
Joined: Sep 2014
Posts: 4,457
Washington
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I heated the cylinder head up before I filled the crossover. This was actually a practice run for job that I am working on. I am building a 1969 455 Olds engine with a set of C castings. The Olds heads have huge exhaust crossover passages. Filling then helps quite a bit. Then you have a much better chance of it staying in there. Never tested it on an Olds so hope you post the results.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Most of the after market race intakes have no provisons in them so using the valley pan is doubling up on that. I've treid filling them with stainless steel wool and other things like that, none of it lasted 