AN Fitting on heater core
Thread Starter
Joined: Sep 2009
Posts: 3,776
Likes: 101
From: Spokane WA
Car: 92 Lingenfelter Z28 articwhite
Engine: Aluminum 615BBC
Transmission: Th400wbrake/curri entps9" locker
Axle/Gears: 4.11/4.30/4.56
AN Fitting on heater core
anybody ever take a heater core and Have the right size AN fittings installed..
you know so it looks like the 8 or 10 AN like on a NOS Blow down tube.
have been thinking about this for some time.. as my lines are a PITA to get to with the tranny dipstick and wire harnes...this way you could install say a AN 90 elbow and run the lins away from the eng..
just need to flair the Heater core lins after the parts are installd on them.
should work...
what do you think
you know so it looks like the 8 or 10 AN like on a NOS Blow down tube.
have been thinking about this for some time.. as my lines are a PITA to get to with the tranny dipstick and wire harnes...this way you could install say a AN 90 elbow and run the lins away from the eng..
just need to flair the Heater core lins after the parts are installd on them.
should work...
what do you think
Supreme Member
Joined: Mar 2008
Posts: 1,549
Likes: 1
From: CT
Car: 86 T/A, 83 Z/28
Engine: 5.0 TPI, 350 2 X 4 bbl
Transmission: 4 speed auto, 5 speed manual
Axle/Gears: 3.23 posi, 3.73 std
Re: AN Fitting on heater core
Ive seen this done before although never with a flair. Typically what i see done is because its a copper tubing people solder on a copper NPT adapter then adapt that to an AN line.
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Joined: Jan 2000
Posts: 20,981
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: AN Fitting on heater core
That's what I'd do. I don't know if you'd have much luck flaring thin-walled tubing of that size.
Joined: Aug 2006
Posts: 12,805
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: AN Fitting on heater core
yea, i dont know if the thin copper would survive flaring.
I have AN on my heater core, the small size is 5/8 OD, the larger is 3/4" od. I have 90degreex1/2npt female fitting soldered tot he core, at about a 45 degree angle to the passengerside of the car, a 1/2x10an male adapter, then a 45degree hose end. Its really tight, and will work with a heater only air box, probably not the ac box. Not sure if you have any heat in the car or not.
I have AN on my heater core, the small size is 5/8 OD, the larger is 3/4" od. I have 90degreex1/2npt female fitting soldered tot he core, at about a 45 degree angle to the passengerside of the car, a 1/2x10an male adapter, then a 45degree hose end. Its really tight, and will work with a heater only air box, probably not the ac box. Not sure if you have any heat in the car or not.
Joined: Dec 2000
Posts: 2,341
Likes: 151
From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Re: AN Fitting on heater core
I know this is old but?
Could you post a picture of this?
Could you post a picture of this?
Joined: Jun 2003
Posts: 5,028
Likes: 78
From: Desert
Car: 1991 Z28 Vert
Engine: 383 single plane efi
Transmission: T-56
Axle/Gears: 8.8 with 3.73s
Re: AN Fitting on heater core
Remember if you solder on the fitting it is on their permanently. If you have to replace the heater core they must be cut off. I looked into doing that a few years ago but the fittings I had would make it more difficult to remove the valve cover.
Thread Starter
Joined: Sep 2009
Posts: 3,776
Likes: 101
From: Spokane WA
Car: 92 Lingenfelter Z28 articwhite
Engine: Aluminum 615BBC
Transmission: Th400wbrake/curri entps9" locker
Axle/Gears: 4.11/4.30/4.56
Re: AN Fitting on heater core
ya just want to get them away from the Valve covers...still making the car.
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Joined: Dec 2000
Posts: 2,341
Likes: 151
From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Thread Starter
Joined: Sep 2009
Posts: 3,776
Likes: 101
From: Spokane WA
Car: 92 Lingenfelter Z28 articwhite
Engine: Aluminum 615BBC
Transmission: Th400wbrake/curri entps9" locker
Axle/Gears: 4.11/4.30/4.56
Re: AN Fitting on heater core
nothing yet...the car snow balled into everything but a bakehalf..
Joined: Dec 2000
Posts: 2,341
Likes: 151
From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Re: AN Fitting on heater core
What about using a brass 90 degree compression fitting similar to this one? From there you could use a straight barb fitting.
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