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360, A/C, Weiand intake,Comp bolt hitting thermostat housing #2450057
02/11/18 02:11 PM
02/11/18 02:11 PM
Joined: Apr 2006
Posts: 1,001
Central US
grancuda Offline OP
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I've got a '72 D100 360 with the factory AC. It was a 2bbl truck but someone added a quadrajet intake/carb with later small thermostat. I ended up putting a Weiand Action Plus intake which actually has the raised bosses for the 2 support brackets but there is a bolt that runs through the compressor & the nut on the backside is resting on the thermostat housing. Not sure if it will end up making the housing crack but it will make thermostat changes a little more labor intensive. By chance anyone ran into this?


1967 Barracuda Formula S 383
1967 Chevy C10 Short Stepper
1980 Macho Power Wagon LWB 318
2021 Toyota Supra
Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: grancuda] #2450059
02/11/18 02:13 PM
02/11/18 02:13 PM
Joined: Apr 2006
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Central US
grancuda Offline OP
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Here are pics of the set-up.

IMG_4196.JPGIMG_4198.PNG

1967 Barracuda Formula S 383
1967 Chevy C10 Short Stepper
1980 Macho Power Wagon LWB 318
2021 Toyota Supra
Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: grancuda] #2450074
02/11/18 02:31 PM
02/11/18 02:31 PM
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Is the factory t stat housing thinner? That one looks thick. If is like the chrome ones I had in the past they all warped. A billet one may be thinner.

Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: grancuda] #2450084
02/11/18 02:44 PM
02/11/18 02:44 PM
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Posts: 3,496
Tulsa, Oklahoma
340Cuda Offline
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A twelve point bolt on the compressor might give you a little more room.

Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: mopars4ever] #2450086
02/11/18 02:45 PM
02/11/18 02:45 PM
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Originally Posted By mopars4ever
Is the factory t stat housing thinner? That one looks thick. If is like the chrome ones I had in the past they all warped. A billet one may be thinner.


This.

The aftermarket housing you have is too thick. Go look at how OEM type looks it's about half as thick.


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Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: grancuda] #2450155
02/11/18 04:53 PM
02/11/18 04:53 PM
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Nebraska
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4406bbl Offline
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Ya, grind one flat of the nut at a 45 and call it a day.

Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: 4406bbl] #2450481
02/12/18 02:17 AM
02/12/18 02:17 AM
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Originally Posted By 4406bbl
Ya, grind one flat of the nut at a 45 and call it a day.


This. And as a side note why are you using RTV sealer with a gasket? RTV is meant to be the gasket, adding it to a gasket just makes the whole thing sloppy. I never use any sealant on gaskets except in the corners of some applications.


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Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: grancuda] #2450525
02/12/18 04:52 AM
02/12/18 04:52 AM
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Looks like the heater hose is gonna be tight as well, didnt they make the offset water intakes for ac cars/trucks?

Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: grancuda] #2450559
02/12/18 09:29 AM
02/12/18 09:29 AM
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Georgetown de usa
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Eggman Offline
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I think the only aluminum intakes that are offset are the performer and torker 2..

Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: Porter67] #2450598
02/12/18 12:13 PM
02/12/18 12:13 PM
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Originally Posted By EV2Bird
Looks like the heater hose is gonna be tight as well, didnt they make the offset water intakes for ac cars/trucks?


In 79 when they started converting over to the C171 AC compressor the water outlet got moved. The performer has it's outlet in the later position. It will work with the RV2 compressor setup as well, but the early outlet position will not clear the C171 setup. there is no special "AC intake" for any year.


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They say there is always the exception that proves the rule.
Don't be the exception.
Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: grancuda] #2450715
02/12/18 04:07 PM
02/12/18 04:07 PM
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Posts: 953
Chicago
PurpleBeeper Offline
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This is all good information. I assume grancuda would like to keep as many parts as possible that he already has.

The options I see are:
1. cut the nut a little like 4406bbl mentions.
2. replace the compressor bolt with an allen head (rounded/flat head) & run it the other direction through the compressor so the nut is on the other side. This may make some compressor seals leak?
3. find a thinner thermostat housing... I do think the stock ones (at least on big blocks) are "stepped" in that area. I like this idea best if it's possible.
4. Grind a little clearance off the thermostat housing.

For the heater hose outlet....can you find a 45-degree outlet & use a bunch of Teflon tape so that when it's tight, it points away from the compressor? You might have to try a few times to get the right amount of Teflon tape OR maybe use some "reactive Teflon paste" so it will still seal even if it isn't 100% tightened?


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Re: 360, A/C, Weiand intake,Comp bolt hitting thermostat housing [Re: grancuda] #2451407
02/13/18 10:02 PM
02/13/18 10:02 PM
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Replacing the t stat housing is the best choice IMO because odds are that one is going to warp anyways.







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