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Boat or Car headers.. which one are they? 

 

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 Post subject: Boat or Car headers.. which one are they?
Posted: Wed Jan 21, 2009 8:02 pm 
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can anyone tell me if these are Boat or Car headers?
They are genies. They are going on ebay if anyone interested.
Suit Windsor.. dont know what models though.

 

 

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Posted: Wed Jan 21, 2009 8:40 pm 
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Not a big boat person but the little things i know i think they are automotive headers as i am sure that marine headers are made so water cools the motor and exits out the exhaust

 

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Posted: Wed Jan 21, 2009 8:48 pm 
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Car.

 

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Posted: Thu Jan 22, 2009 12:49 am 
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+1 for car..

boat headers are generally a mirror image of each other.. due to the fact they dont have any clearance issues..

-mitch

 

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Posted: Thu Jan 22, 2009 11:46 am 
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mitchg911 wrote:
+1 for car..

boat headers are generally a mirror image of each other.. due to the fact they dont have any clearance issues..


This is true.

Froudey wrote:
Not a big boat person but the little things i know i think they are automotive headers as i am sure that marine headers are made so water cools the motor and exits out the exhaust


Your thinking more of outboard motors.
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Posted: Thu Jan 22, 2009 2:52 pm 
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Boat headers are big lumps with water cooling jackets so they are definitely car headers.
What car do want them for. I ask because the header companies only seem to make 4 into 1 windsor headers for XR-Y Falcon.
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Posted: Thu Jan 22, 2009 8:36 pm 
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pacemaker do 4-1 for AU's but dunno bout genie's

 

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Posted: Fri Jan 23, 2009 12:35 am 
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XR9UTE wrote:
Boat headers are big lumps with water cooling jackets so they are definitely car headers.
What car do want them for. I ask because the header companies only seem to make 4 into 1 windsor headers for XR-Y Falcon.




not necessarily... many circuit race boats run typical non jacketed extractors... they typically tip water in right at the end of the collector as the msb state all water has to be dumped throught the exhaust..


Image

Image

Image



sorry, best photos i could find quickly

-mitch

 

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Posted: Fri Jan 23, 2009 12:37 am 
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twr7cx wrote:
mitchg911 wrote:
+1 for car..

boat headers are generally a mirror image of each other.. due to the fact they dont have any clearance issues..


This is true.

Froudey wrote:
Not a big boat person but the little things i know i think they are automotive headers as i am sure that marine headers are made so water cools the motor and exits out the exhaust


Your thinking more of outboard motors.



water has to exit via the exhaust regardless of inboard/ outboard.. (but the big twin turbo skiboats seem to get away with it..)

 

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Posted: Fri Jan 23, 2009 3:15 am 
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It acts as a baffle to quiet exhaust and keep heat down on inboard boats..
The flange would be 180* for boat, looking at bolt hole position..
Car for sure..

 

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