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3800 heater core by Thunderkingben
Started on: 07-13-2009 03:38 PM
Replies: 10
Last post by: Mike Gonzalez on 03-16-2011 07:38 PM
Thunderkingben
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Report this Post07-13-2009 03:38 PM Click Here to See the Profile for ThunderkingbenClick Here to visit Thunderkingben's HomePageSend a Private Message to ThunderkingbenDirect Link to This Post
yeah so I'm getting close on my 3800 sc swap but I'm don't really know where to tie in my heater core. i have a pipe with a fill cap on the top in place of a v6 coolant fill, so any ideas would be nice.
Thanks
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Mike Gonzalez
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Report this Post07-13-2009 03:44 PM Click Here to See the Profile for Mike GonzalezSend a Private Message to Mike GonzalezDirect Link to This Post
Mine are hooked up to the 3800 stock locations near the alternator bracket.
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darkhorizon
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Report this Post07-13-2009 07:54 PM Click Here to See the Profile for darkhorizonSend a Private Message to darkhorizonDirect Link to This Post
what year fiero?
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Thunderkingben
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Report this Post07-13-2009 07:59 PM Click Here to See the Profile for ThunderkingbenClick Here to visit Thunderkingben's HomePageSend a Private Message to ThunderkingbenDirect Link to This Post
Its a 1985
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Dennis LaGrua
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Report this Post07-13-2009 11:06 PM Click Here to See the Profile for Dennis LaGruaSend a Private Message to Dennis LaGruaDirect Link to This Post
Heater core feed goes to the lower intake manifold and return goes to connection on water pump. Both holes can be tapped w a 3/4" NPT tap and fitted with hose nipples.

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JamesCurtis
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Report this Post07-13-2009 11:10 PM Click Here to See the Profile for JamesCurtisSend a Private Message to JamesCurtisDirect Link to This Post
can you block those off and use the line on the modified fiero thermostat for a heater core line?

Edit - of course I'm referring to the 88's

[This message has been edited by JamesCurtis (edited 07-13-2009).]

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Jncomutt
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Report this Post07-14-2009 01:58 AM Click Here to See the Profile for JncomuttSend a Private Message to JncomuttDirect Link to This Post
Here is what I did for an 86 fiero with stock alternator location.





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Thunderkingben
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Report this Post07-15-2009 04:37 PM Click Here to See the Profile for ThunderkingbenClick Here to visit Thunderkingben's HomePageSend a Private Message to ThunderkingbenDirect Link to This Post
Could I just run a T off the coolant inlet hose and then another T off the coolant outlet hose, or would that give me issues?
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americasfuture2k
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Report this Post03-16-2011 07:16 PM Click Here to See the Profile for americasfuture2kSend a Private Message to americasfuture2kDirect Link to This Post
an 87 wouldnt need to worry about finding a heater core line on the car, correct?
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Mike Gonzalez
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Report this Post03-16-2011 07:35 PM Click Here to See the Profile for Mike GonzalezSend a Private Message to Mike GonzalezDirect Link to This Post
You will need the feed to the heater core, but dont need a return, because 87-88 routed the return to the right side coolant pipe.
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Mike Gonzalez
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Report this Post03-16-2011 07:38 PM Click Here to See the Profile for Mike GonzalezSend a Private Message to Mike GonzalezDirect Link to This Post

Mike Gonzalez

5093 posts
Member since Jul 2001
 
quote
Originally posted by Thunderkingben:

Could I just run a T off the coolant inlet hose and then another T off the coolant outlet hose, or would that give me issues?


That wouldnt work for the feed to the heater core, there would be no flow till the Tstat opens and the heater is used as a bypass untill the tstat opens up. You could T into the right side coolant tube for a return though.

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