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post #1 of (permalink) Old 06-24-2003, 08:36 AM Thread Starter
 
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Issues with running straight off the headers

Just trying to find out what the general consensus is with running a motor straight off the headers. I'm finishing up a Mustang 5.0 HO swap and I'd like to crank her up before I spend the money to get Ford truck headers and exhaust. I've got the headers that came with the Mustang bolted to the heads. They are shorty headers. Do you guys see any problems with running the motor straight off the headers for a few minutes? Any chances of warping a valve?

Thanks,
Lee
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post #2 of (permalink) Old 06-24-2003, 09:08 AM
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Re: Issues with running straight off the headers

nah, no problems. except maybe ecu not reading o2 sensors.

get some earplugs.
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post #3 of (permalink) Old 06-24-2003, 10:21 AM
 
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Re: Issues with running straight off the headers

If you run it long enough to get to normal running temp you may want to stuff a rag in each header after shut down to protect the valves from being blasted with cold air and cooling down too fast. Clean rags, not oily ones, and leave a corner sticking out as a reminder that they are there.
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post #4 of (permalink) Old 06-24-2003, 10:44 AM
 
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Re: Issues with running straight off the headers

Just make sure those open headers are not pointing to or around the ends that could melt or be damaged by the heat like wiring, fuel lines, brakelines, ect.
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post #5 of (permalink) Old 06-24-2003, 11:56 AM Thread Starter
 
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Re: Issues with running straight off the headers

Thanks for the advice guys [img]images/graemlins/40BEER.gif[/img] . Using rags sounds like a good idea. I'm certainly going to make sure that hot exhaust isn't going to melt anything [img]images/graemlins/grin.gif[/img] .
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