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Old 12-19-2009, 01:35 PM   #1
Robert Kenney
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Default Differences 392 IC Vs NON-IC

Questions about ic vs non-ic sv392's have come up more than once. I wanted to post some photos to show the differences of the two versions while I have both in my garage.

The photo captions define what the image showing.
Name:  392fvIC (Medium).JPG
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392 ic front
Name:  392fvNONIC (Medium).JPG
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392 non ic front
Name:  392head pgNONIC (Medium).JPG
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392 head plugged for 196
Name:  392headpgIC (Medium).JPG
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392 head plugged for ic 392
Name:  392svleftIC (Medium).JPG
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392 ic block left deck
Name:  392svleftNONIC (Medium).JPG
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392 non ic block left deck
Name:  392svNONIC (Medium).JPG
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392 ic block right deck
Name:  392svrightIC (Medium).JPG
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392 non ic blockright deck
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Old 12-19-2009, 03:36 PM   #2
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Default Re: Differences 392 IC Vs NON-IC

Thanks Robert!! We needed this thread!

Ya got comparison shots between ic and non-ic head gaskets? If ya don't I May have some.

Also, the intake manifold gasket(s) for an ic head (either set up as 196 or 392) have restricted rear water ports with a 3/8" hole.

The non-ic 392 and non ic 196 use intake gaskets that have no restriction in the rear water port. And those same intake gaskets are used in the 345 application.
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Old 12-19-2009, 07:26 PM   #3
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Default Re: Differences 392 IC Vs NON-IC

Here you go. Head gaskets for comparo.

Ic 392 head gasket
Name:  392 head gasket IC (Medium).JPG
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Non ic 392 head gasket
Name:  392 head gasket NON IC (Medium).JPG
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Size:  54.4 KB
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People preach " Don't over think life, just go where it takes you". But I can't help but think of the Wise Ancient Mariner who looks toward the horizon for any sign of storm clouds.

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Old 07-01-2013, 08:28 PM   #4
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Default Re: Differences 392 IC Vs NON-IC

Thank you Robert. I have a ic392 in the works.
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Old 02-18-2017, 06:41 AM   #5
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Default Re: Differences 392 IC Vs NON-IC

Are there any differences between the ic and non-ic heads themselves or just the block and where the water tubes enter?
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Old 02-18-2017, 08:39 AM   #6
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Default Re: Differences 392 IC Vs NON-IC

The heads are vastly different and cannot be interchanged. You can get a glimpse of the differences by looking closely at the pics that compare the intake manifold gaskets and also the head gaskets. There are obvious differences from stem to stern in both cases.
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Old 04-28-2018, 10:52 AM   #7
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Default Re: Differences 392 IC Vs NON-IC

Wanting to put rebuilt 345e heads on a 1973, 392 improved cooling. 4v
I've heard of it done for performance reasons, probably not on non-improved cooling long block.
Engine runs good as is, future rebuild with or without 345e heads.?
392ic not pictured
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Old 04-28-2018, 09:24 PM   #8
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Default Re: Differences 392 IC Vs NON-IC

Since the 345 never came in the IC configuration, they will not work in an IC 392 block. Non IC 392? Possible
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People preach " Don't over think life, just go where it takes you". But I can't help but think of the Wise Ancient Mariner who looks toward the horizon for any sign of storm clouds.
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Old 04-29-2018, 07:26 AM   #9
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Default Re: Differences 392 IC Vs NON-IC

OK. Thanks Robert.
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