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Author Topic: On 2.3L engines why does coolant run though the intake?  (Read 1132 times)

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Offline MitchiePinto

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On 2.3L engines why does coolant run though the intake?
« on: August 27, 2012, 12:16:04 PM »
I heard its to warm up the intake and carb in cold weather driving.

Also wondering if it would be ok to block the coolant hole on the block to stop coolant going to the intake

Just asking because a racing manifold I bought used came with an aluminum patch on the coolant hole

I will not be diving it in the winter or in cold and one last thing the intake is aluminum and off a 79' 2.3L Pinto which will be going on a 1980 2.3L block

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Offline Bigtimmay

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #1 on: August 28, 2012, 12:55:52 PM »
Its fine to block it off It basically just heats the air going in the engine for winter time but most race engines run better with it blocked.
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Offline MitchiePinto

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #2 on: August 28, 2012, 01:12:26 PM »
Great thanks for the reply. I quess theres not enough coolant pressure to burst the patch. I'm going to use my un-patched intake still though, I don't want coolant leaking when im driving down the road.
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Offline Bigtimmay

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #3 on: August 28, 2012, 01:55:19 PM »
Theres a Industrial 2.3 that has a intake gasket that doesnt have an opening for that port and quite a few people just use that to block it off so it shouldnt burst. Could always make a phenolic spacer to block it off if your really worried about it.
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Offline MitchiePinto

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #4 on: August 29, 2012, 02:11:23 PM »
Intresting where could I find an industrial 2.3L gasket. I think my gasket is done b/c coolant is in the intake just a little but still. Also heard that once the intake gasket starts to leak the head gasket would soon go?
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Offline Bigtimmay

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #5 on: August 29, 2012, 04:19:51 PM »
http://www.oreillyauto.com/site/c/detail/FEL0/MS91806/02293.oap?year=1984&make=Ford&model=LTD&vi=1131488&ck=Search_intake gasket_02293_1 131488_-1&keyword=intake gasket&pt=02293&ppt=C0026
That's the gasket it was used on 2.3s that ran on propane.
As for the intake gasket going the headgasket to follow dunno but never seen that happen nor hear anything like that.I play with mostly the turbo 2.3s but usually the cause of a blown headgasket is a bad tune causing detonation.
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Offline Pintopowers

Re: On 2.3L engines why does coolant run though the intake?
« Reply #6 on: August 29, 2012, 04:41:29 PM »
Last time ide seen coolant in the intake was when a hole from the coolant passage underneath the carb developed..   I thought it was a bad head gasket. Ended up replacing the head and gasket before i discovered the prob...

Deffinately interested in finding a fix for those intakes, Alot of those intakes rot through around here.....

Steve
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Offline 71pintoracer

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #7 on: August 29, 2012, 09:52:09 PM »
On my race engines I just blocked it off at the opening in the head.
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Offline racer99

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #8 on: August 30, 2012, 02:51:35 PM »
Quote from: 71pintoracer on August 29, 2012, 09:52:09 PM
On my race engines I just blocked it off at the opening in the head.

Redneck fix,we have done it at the track.
1 used intake gasket,silicone and a beer can
works every time!
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Offline dick1172762

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #9 on: August 30, 2012, 03:07:04 PM »
Quote from: racer99 on August 30, 2012, 02:51:35 PM
Redneck fix,we have done it at the track.
1 used intake gasket,silicone and a beer can
works every time!
   Works every time. I like 7-UP cans. Put it on the intake side of the gasket. And if you still don't get it, well, FORD BUILT IT THAT WAY!!!!
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Offline Pinto5.0

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #10 on: August 31, 2012, 05:15:06 PM »
A pressurized radiator has less than 15 PSI of pressure on the gaskets. You can blow about as much into a 2 litre bottle with your lungs. If the passage was welded by a good welder it wont leak or blow out. My Esslinger intake doesn't even have a water passage in it.
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Offline MitchiePinto

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Re: On 2.3L engines why does coolant run though the intake?
« Reply #11 on: September 02, 2012, 06:36:09 PM »
Thanks bigtimmy for the link for the gasket. That o'reilly's auto seems to have everything I wonder if theres any here in Canada. When ever I need a part most local parts stores are very unhelpful.
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