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post #1 of (permalink) Old 09-08-2001, 07:55 PM
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heater core swap/replacement

my heater core is shot. its blowing fumes into my jeep and making me dizzy. i have heard i can put in a chevy heater core and it will produce more heat. is it possible and what chevy vehicles can i steal it from?thanks keith

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post #2 of (permalink) Old 09-08-2001, 09:14 PM
 
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Re: heater core swap/replacement

I think yo are referring to the Chevy BLOWER MOTOR mod, not the heater core. I don't have the info, parts #'s, but someone does or search.



Bob in Ma.
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post #3 of (permalink) Old 09-08-2001, 09:42 PM
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Re: heater core swap/replacement

Bob is right, your talking blower motor upgrade. I put a new heater core in my CJ7 when I did this mod. You need a blower motor from a early 70s Blazer with the 350. Tell them it has AC before they ask. You will need to enlarge the hole in the firewall to 3 1/4" for the new motor fit. Make sure the plug on the motor does not touch the firewall.(pops the fuse and can burn wires, don't ask me how I know!) This is not a hard upgrade and well worth it. I was sick of smelling fumes from my old leaky heater core and with the bigger blower motor it is toasty warm even on the coldest days with a soft top. Good Luck!

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post #4 of (permalink) Old 09-08-2001, 09:52 PM
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Re: heater core swap/replacement

1. Check here for the GM Upgrade (there are several sites on the Internet that document this upgrade, this is my favorite): <font color=red>GM heater Upgrade</font color=red>

2. The Motor is a Simemins replacement Motor, Look here for the <font color=red>Part Number</font color=red>

3. Take the time to refurbish the heater box... if you need an article on refurbishing the box and replacing the core... I can email you one.

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post #5 of (permalink) Old 09-08-2001, 09:55 PM
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Re: heater core swap/replacement

I just got a brand new heater core and it set me back about
50 bucks . Easy to replace .


Jeff



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post #6 of (permalink) Old 09-08-2001, 11:50 PM
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Re: heater core swap/replacement

Just tell them you want a replacement motor for your jeep and they will probably sell you the larger motor. When I tried to buy the stock replacement for my 90 YJ (I didn't want to enlarge the hole in the firewall), I found out that everybody carries the larger motors as stock replacements. Nobdy had the small motor.

jerry
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post #7 of (permalink) Old 09-09-2001, 04:17 PM
 
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Re: heater core swap/replacement

If you are going to replace both motor and core you are better to call around different parts stores I called a few and they had the prices reversed .One wanted more for the core than the motor the other was just the opposit.Naturally I got each from the cheapest source.

Ray
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