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Old 12-27-2012, 10:19 PM   #1
Shane C.
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FI 460 AC Compressor Elimination

Guys and gals,

I have a FI 460 from an 89 F350 in my 78. I eliminated the AC when I did the swap, but left the compressor in. Its starting to squeal and the end is in site. Its a dual belt system and as it turns out that they don't make an elimination pulley for this. Looks like I probably need to eliminate it and replace it with a shorter belt.

Anyone have any info on this? Belt size, PNs, experiences to share?

Thanks all...
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Old 12-28-2012, 09:55 AM   #2
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they do make a elimination pulley for it

http://www.ebay.com/itm/Dorman-A-C-C...cc820d&vxp=mtr

less then a minute for searching
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Old 12-28-2012, 11:03 AM   #3
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Should be the same compressor used on the 5.0/5.8 so whatever eliminator that works in those should work on the 460.
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Old 12-28-2012, 01:20 PM   #4
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they do make a elimination pulley for it

http://www.ebay.com/itm/Dorman-A-C-C...cc820d&vxp=mtr

less then a minute for searching
Thanks. That part only lists back to 1990, and does not list the 460 as a compatible motor... Same issue I had at the part stores and the reason for the post...

I wonder if they just dont list it and if it is as SomeDude says, the same as the AC compressor for the 302 and 351. I thought that would be the case when I went in looking for the part, thats why I was surprised when they told me it wasnt available. Maybe I just need to buy one for a 302/351 and see if it works...
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Old 12-28-2012, 02:41 PM   #5
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Thanks. That part only lists back to 1990, and does not list the 460 as a compatible motor... Same issue I had at the part stores and the reason for the post...

I wonder if they just dont list it and if it is as SomeDude says, the same as the AC compressor for the 302 and 351. I thought that would be the case when I went in looking for the part, thats why I was surprised when they told me it wasnt available. Maybe I just need to buy one for a 302/351 and see if it works...
I didn't realize is was inthe 78/79 forum. So my statement may not be true. The eliminator mentioned above should work for any EFI V8 from at least '87 up. But I'm not as familiar with the 78/79s, so I don't know if the AC compressors are the same. I don't see why they wouldn't be, but I don't know. Looking at some pics of the carb engines I don't think the eliminator shown above would work. You'll probably just need to remove the bracket and get a shorter belt.
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Old 12-28-2012, 02:49 PM   #6
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Quote:
Originally Posted by SomeDude451 View Post
I didn't realize is was inthe 78/79 forum. So my statement may not be true. The eliminator mentioned above should work for any EFI V8 from at least '87 up. But I'm not as familiar with the 78/79s, so I don't know if the AC compressors are the same. I don't see why they wouldn't be, but I don't know. Looking at some pics of the carb engines I don't think the eliminator shown above would work. You'll probably just need to remove the bracket and get a shorter belt.
I think you were right though because the motor is from an 89. I just put it in the 78/79 forum because the motor is in my 78 and I figured that was the most common 460 swap (vs newer models). It sounds like that elminator the InfoFord posted is the one. Maybe the 89 is just too late a motor for them to list it for or something stupid like that...
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Old 12-28-2012, 03:05 PM   #7
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I think you were right though because the motor is from an 89. I just put it in the 78/79 forum because the motor is in my 78 and I figured that was the most common 460 swap (vs newer models). It sounds like that elminator the InfoFord posted is the one. Maybe the 89 is just too late a motor for them to list it for or something stupid like that...
If the motor has the 89 EFI power steering bracket, that eliminator should work perfectly. If you kept the 78 engine brackets, it probably won't work.
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Old 12-28-2012, 07:04 PM   #8
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I have an '89 FI 460 in my '78 as well. The eliminator bracket came from a fellow FSB guy (Miexter) years ago. I believe it came from a 5.8. From my recolection, that bracket is universal between years/ motors. Couldn't get a pic, my phone battery is dead.....
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Old 12-28-2012, 07:08 PM   #9
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There should be something available. Surely not all EFI 460 vehicles had AC from the factory, so there would be a bracket/tensioner instead of the compressor.
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Old 12-28-2012, 07:28 PM   #10
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Thanks guys. Makes sense and is what I suspected. I will order one as InfoFord posted and give it a run. I am confident it will work...
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Old 12-28-2012, 08:19 PM   #11
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Thanks guys. Makes sense and is what I suspected. I will order one as InfoFord posted and give it a run. I am confident it will work...
If it doesn't ill buy your truck for $500.
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Old 12-28-2012, 08:22 PM   #12
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If it doesn't ill buy your truck for $500.
That would give me 10 nights with your mom.
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Old 12-28-2012, 08:26 PM   #13
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That would give me 10 nights with your mom.
My mom is in a coma bro
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Old 12-28-2012, 08:30 PM   #14
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My mom is in a coma bro
Oh shit dude... My bad. I am truly sorry. Maybe we can get this deleted?
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Old 12-28-2012, 08:32 PM   #15
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I guess Shane can really throw it down


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Old 12-28-2012, 08:34 PM   #16
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Oh shit dude... My bad. I am truly sorry. Maybe we can get this deleted?
Before you change it
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New nuts are in the plan.
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Old 12-29-2012, 09:13 AM   #17
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you may need to use the steering A/C belt from a 96 460 if that pulley on that eliminator is smaller dia then your A/C pump pulley
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Old 12-29-2012, 06:35 PM   #18
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you may need to use the steering A/C belt from a 96 460 if that pulley on that eliminator is smaller dia then your A/C pump pulley
Got the eliminator. Pulley on it is 5.25". Pulley on AC compressor is 6". I bought the 96 belt in case that difference in size warrants a smaller belt. Not sure if there is enough flex in the tension pulley to make up for the slightly smaller pulley or not...
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Old 12-30-2012, 01:16 AM   #19
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Quote:
Originally Posted by Shane C. View Post
Got the eliminator. Pulley on it is 5.25". Pulley on AC compressor is 6".
I bought the 96 belt in case that difference in size warrants a smaller belt.
Not sure if there is enough flex in the tension pulley to make up for the
slightly smaller pulley or not...
BTDT same sort of thing before and the guys at the parts house were
glad to work with me on it.

One minute use on a belt doesn't hurt it, was what they were thinking.

-----------------------------------

Just to get an A/C equipped vehicle going all it needs is a clutch bearing.
They're relatively cheap and easy to replace.

The compressor can be dead but still carry a belt quiet as anything with
a new clutch bearing. ;) 5106 bearing is used in both my '75 and '91.

Anyway, cool thread. :)

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Old 12-30-2012, 01:33 AM   #20
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Shane, that small of a difference won't matter, if it does it will let you know quickly.
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