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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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 Posted: Sat Aug 04, 2018 4:33 pm Post subject: Heater Box Question? |
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I everyone
last week i drop the head driver side for replacing broken stud(3)
at the same time i notice something very strange
the PO change the heat box for something i never see
box are like 72-74 but no input for the aux blower and the input for the engine fan is round???
anyway i want to install the proper one so i check cip,busdepot etc
engine 1800cc 1975 body 1978
the oval hole in my tin of my bus is on the right side and the round on the left all the heater box i found are not the good side(right,left)
1 dont understand?
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VW bus type 2 1978 transplant engine 1975 1800cc fuel injection |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51121
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sat Aug 04, 2018 5:45 pm Post subject: Re: HEATER BOX QUESTION? |
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Time to fire up the camera, sounds like a Vanagon heat exchanger, if it is the ports on the heads will limit what you can fit to your engine.
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Sat Aug 04, 2018 6:41 pm Post subject: Re: HEATER BOX QUESTION? |
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ok tomorrow i'll take some picture
what about the tin hole that are not on the good side?
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VW bus type 2 1978 transplant engine 1975 1800cc fuel injection |
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Sat Aug 04, 2018 6:41 pm Post subject: Re: HEATER BOX QUESTION? |
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ok tomorrow i'll take some picture
what about the tin hole that are not on the good side? (ON MY BUS TIN)
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Sun Aug 05, 2018 6:31 am Post subject: Re: Heater Box Question? |
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what's that?
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51121
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Aug 05, 2018 8:41 am Post subject: Re: Heater Box Question? |
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Someone has modified a Vanagon part with oval flanges and a reoriented air inlet.
_________________
Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Sun Aug 05, 2018 8:50 am Post subject: Re: Heater Box Question? |
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Thanks Busdaddy
but for my hole in the engine tin (round hole left side)
so i have to buy a heater exchanger with aux blower inlet round hole
at letft
what can i buy
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Sun Aug 05, 2018 1:43 pm Post subject: Re: Heater Box Question? |
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i think these one are the right one
rond hole aux blower on left and oval on right
if i dont want to install all that think what's my option
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51121
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Aug 05, 2018 2:26 pm Post subject: Re: Heater Box Question? |
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No, that's a 75-78 system, it'll fit if you replace everything as well as some of the tin under the engine, but if you only need a LH heat exchanger it's best to find one for a 72-74.
Like this one: https://www.thesamba.com/vw/classifieds/detail.php?id=2138266 Not sure why the seller says "not for 74 1800", likely because it lacks the EGR pipe, if you aren't running EGR that won't matter.
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Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Sun Aug 05, 2018 3:44 pm Post subject: Re: Heater Box Question? |
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no good
the oval port on this picture is on the right side but suppose to be oval front to rear not side to side
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WESTYJACK
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Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Sun Aug 05, 2018 3:49 pm Post subject: Re: Heater Box Question? |
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ok so what i understand i buy 72-74 heat exchanger but i have to modify my engine tin to accept oval hose to the left and round to the right
this call is good
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busdaddy
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Location: Surrey B.C. Canada, but thinking of Ukraine
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Sun Aug 05, 2018 5:34 pm Post subject: Re: Heater Box Question? |
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the oval hole are front to rear ok but not on the good side for my tin i need a round hole output for this side of heat exchanger
that's my problem
sure i can modify it
is it because the only heat exchanger with the hole (round left and oval right) are for 75-78 with manifold
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busdaddy
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Posts: 51121
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Aug 05, 2018 6:26 pm Post subject: Re: Heater Box Question? |
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The RH one in that ad is wrong for your bus, but the long kinked LH one has a round top and oval bottom just like you need.
_________________
Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Sun Aug 05, 2018 6:39 pm Post subject: Re: Heater Box Question? |
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sorry but dont find what your taking about long kinked one
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51121
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Aug 05, 2018 7:11 pm Post subject: Re: Heater Box Question? |
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From that linked ad:
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Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Mon Aug 06, 2018 9:23 am Post subject: Re: Heater Box Question? |
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busdaddy your the king
now i see oval parts in heat exchanger and round true the tin
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50336
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| Posted: Tue Aug 07, 2018 4:59 am Post subject: Re: Heater Box Question? |
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The auxiliary fan is only effective at idle speeds and then only marginally effective. With all the leaks that a typically auxiliary fan setup has, the fan itself barely makes up for the losses. I haven't run an auxiliary fan in nearly three decades at this point in time and don't miss it a bit. There are ways that you can get far more air to the cab at all times than getting the marginally effective original system auxiliary fan setup working. A Dayton blower mounted up under the defroster/heater tree will give you maybe twice the heat up front as the wimpy factory setup, and by changing where the one heat exchanger dumps its hot air into the cab you can get around 4 times the heat into the cab as the stock setup.
This thread has lots of ideas:
https://www.thesamba.com/vw/forum/viewtopic.php?t=371749
You can also search the threads of a Samba user named Duncwarw, he had a lot of good ideas. |
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