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Old 07-18-2017, 05:57 AM   #46
1hc72
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Default Re: 345 vs 392IC

I have the housing for the 345 and 392 intakes, how do I run the bypass hose?
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Old 08-01-2017, 12:36 PM   #47
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Default Re: 345 vs 392IC

I have found and bought the lower bypass housing. We're does the large elbow hose go to? I should have the part by sat. And hopefully at truck wed to install it.
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Old 08-01-2017, 08:33 PM   #48
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Default Re: 345 vs 392IC

Top of the water pump.
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Old 08-01-2017, 08:39 PM   #49
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Default Re: 345 vs 392IC

Oh
Now I feel like an idiot . Thanks hahaha
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Old 08-06-2017, 02:22 PM   #50
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Default Re: 345 vs 392IC

Ok. I got the part. Set it on the intake, now I have to change the cover to the water pump. Anything I need to know before I tear my front end apart? Do I need anything to pull the pulleys off?
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Old 08-06-2017, 02:53 PM   #51
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Default Re: 345 vs 392IC

Ok. I must be an idiot. None of the parts much up. Bolted the bypass on. The top neck that came with truck does not bolt up,only one of the 2 holes lines up. The top neck that came with my part motor is even more off. What am I doing wrong?
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Old 08-06-2017, 03:23 PM   #52
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Post Re: 345 vs 392IC

Ok. Got the upper water neck figured out. Mil showed me lol. Amy ideas for the hose coming from bypass?
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Old 08-06-2017, 04:15 PM   #53
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Default Re: 345 vs 392IC

Now I see why this is so confusing. Every IH I have seen has a hose flange to match the bypass right where your 5/8" heater hose fitting is. I think you will be wanting a new water pump housing.

Also make sure the bleed hole in the bottom of the bypass housing is clear. And use only a Stant thermostat so the bypass is plugged when it opens.
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Old 08-06-2017, 04:19 PM   #54
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Default Re: 345 vs 392IC

Ok. How much of a pita is it too pull everything off to replace it. I have a water pump cover from a 392 from a medium duty. Can I use that?
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Old 08-06-2017, 05:32 PM   #55
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Default Re: 345 vs 392IC

Is the the correct one?
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Old 08-06-2017, 07:35 PM   #56
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Default Re: 345 vs 392IC

Take the bolts out of your t-stat housing and then set the upper water neck in place and aligned with the holes that you have bolts going through now.
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Old 08-06-2017, 07:38 PM   #57
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Default Re: 345 vs 392IC

Got it thx
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Old 08-06-2017, 07:55 PM   #58
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Default Re: 345 vs 392IC

That looks like the correct housing.
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Old 08-06-2017, 08:05 PM   #59
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Default Re: 345 vs 392IC

Ok. I will be swappi g it out tomorrow
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Old 08-15-2017, 04:06 PM   #60
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Default Re: 345 vs 392IC

Ok. Huys, pretty much got everything buttoned up. Found a few things that I'm not sure on.

Found a tag on me front axle not sure if it's 4.11 or 3.73
Rear axle says 80 or 60 and c32055 any ideas?
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