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Header temp #214122 02/04/09 04:39 PM 02/04/09 04:39 PM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 OP master
emarine01 OP master E Joined: Jan 2007 Posts: 3,695 nc	Hey what kind of header temps with a infra red gun are you guys seeing , engine warm @ idle , hottest point on header? 5000802-12-29-08_1515.jpg (44 downloads) Last edited by emarine01; 02/05/09 08:59 AM.

Re: Header temp [Re: emarine01] #214123 02/04/09 04:57 PM 02/04/09 04:57 PM
Joined: Jan 2007 Posts: 146 michigan tonycpe member
tonycpe member Joined: Jan 2007 Posts: 146 michigan	385 to 395 degrees if I remember corectly QC coatings coated em pretty nice. Old Fogey Racing Ltd.

Re: Header temp [Re: tonycpe] #214124 02/04/09 05:04 PM 02/04/09 05:04 PM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 OP master
emarine01 OP master E Joined: Jan 2007 Posts: 3,695 nc	Thats a good point , I forgot about header coatings, we are not coated and ave temp is around 500F

Re: Header temp [Re: emarine01] #214125 02/04/09 05:19 PM 02/04/09 05:19 PM
Joined: Jun 2003 Posts: 9,225 Charleston S sixpackgut Drag Week Mod Champion
sixpackgut Drag Week Mod Champion S Joined: Jun 2003 Posts: 9,225 Charleston	im usually around 500 without coating Gen 3 power 6.22@110, 9.85@135 Follow @g3hemiswap on instagram performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs

Re: Header temp [Re: emarine01] #214126 02/04/09 06:54 PM 02/04/09 06:54 PM
Joined: Jul 2005 Posts: 8,647 ELYRIA,OH B blownzoom440
blownzoom440 B Joined: Jul 2005 Posts: 8,647 ELYRIA,OH	Quote: Hey what kind of header temps with a infra red gun are you guys seeing , engine warm @ idle , hottest point on header? i would not think a gun could read a fully warmed engine exhaust.i just have an EGT that reads 1320+/- after a run aqt idle.i think a gun goes to 900F.

Re: Header temp [Re: blownzoom440] #214127 02/04/09 07:17 PM 02/04/09 07:17 PM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 OP master
emarine01 OP master E Joined: Jan 2007 Posts: 3,695 nc	Quote: Quote: Hey what kind of header temps with a infra red gun are you guys seeing , engine warm @ idle , hottest point on header? i would not think a gun could read a fully warmed engine exhaust.i just have an EGT that reads 1320+/- after a run aqt idle.i think a gun goes to 900F. My gun reads to 999 , egt would be lots higher than infra red ,egt is in the path of the exhaust , infra red is outside jacket , egt is the way to go for real #s but for the rest of us infra red will have to do

Re: Header temp [Re: emarine01] #214128 02/05/09 12:51 AM 02/05/09 12:51 AM
Joined: Aug 2003 Posts: 43,118 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,118 Bend,OR USA	EGT at idle versus header temps at idle below 1100 RPM will be a bunch lower than 1000 F, or they should be. Running the motor at or above 1200 RPM will make both temps go up Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: Header temp [Re: Cab_Burge] #214129 02/05/09 05:52 AM 02/05/09 05:52 AM
Joined: Jul 2005 Posts: 8,647 ELYRIA,OH B blownzoom440
blownzoom440 B Joined: Jul 2005 Posts: 8,647 ELYRIA,OH	Quote: EGT at idle versus header temps at idle below 1100 RPM will be a bunch lower than 1000 F, or they should be. Running the motor at or above 1200 RPM will make both temps go up that must be my problem.i have high idle. emarine01are you thinking of wrapping the headers or thinking of other things?how about some pictures it is winter.

Re: Header temp [Re: blownzoom440] #214130 02/05/09 09:19 AM 02/05/09 09:19 AM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 OP master
emarine01 OP master E Joined: Jan 2007 Posts: 3,695 nc	We tryed wraping them but too hard to clean , baked on mud , break out the hammer , I was just wondering what some other header temps were to kinda base line mine , my friend runs a 500 inch pro stock engine and his temps are in the 900s idles at 1800 rpm , we run 12 to 1 so when were not racing we run 93 pump gas to move the truck around , header temps on 93 are 150f lower than racing fuel the 112 must still be burings on the way out , ill try to post some pics but thier not too good 5002414-12-29-08_1521.jpg (52 downloads)

Re: Header temp [Re: emarine01] #214131 02/05/09 06:48 PM 02/05/09 06:48 PM
Joined: Jul 2005 Posts: 8,647 ELYRIA,OH B blownzoom440
blownzoom440 B Joined: Jul 2005 Posts: 8,647 ELYRIA,OH	my temps must have to do with my blower.i need to get back out.i only got out 4 times in 2yrs due to upgrades.i am good to go tho. what is the use of your engine,race street...?

Re: Header temp [Re: emarine01] #214132 02/05/09 07:26 PM 02/05/09 07:26 PM
Joined: Feb 2009 Posts: 1,532 off the grid 340B5 pro stock
340B5 pro stock Joined: Feb 2009 Posts: 1,532 off the grid	830 to 860 here w/uncoated headers,then go's over 1000 off idle and above. Yeah, it's got a smallblock.

Re: Header temp [Re: 340B5] #214133 02/06/09 09:51 AM 02/06/09 09:51 AM
Joined: Jan 2007 Posts: 3,695 nc E emarine01 OP master
emarine01 OP master E Joined: Jan 2007 Posts: 3,695 nc	We mud race a w5 small block , the 340 temps are close to what we had with iron j heads on a 392 mid 800F

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