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Re: [GMCnet] Carb fuel filterst [message #327131 is a reply to message #327129] Fri, 15 December 2017 11:10 Go to previous messageGo to previous message
jimk is currently offline  jimk   United States
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
Senior Member
The most important thing is to have them with you and have a line wrench to
undo the fitting without rounding the fitting

On Fri, Dec 15, 2017 at 8:38 AM John Wright wrote:

> Here are some good pictures of the fuel filter and how it is installed.
> You can put them in backwards, ask me how I know!
>
> http://www.gmcmhphotos.com/photos/general-pictures/p58270-img-07751.html
> http://www.gmcmhphotos.com/photos/general-pictures/p58271-img-07761.html
>
> http://www.gmcmhphotos.com/photos/general-pictures/p58269-fuel-system-q-jet.html
>
> http://www.gmcmhphotos.com/photos/general-pictures/p58268-q-jet-fuel-filter.html
>
> J.R. Wright
> GMC GreatLaker 18 Year Member
> GMCGL Tech Editor
> GMC Eastern States Charter Member
> GMCMI 18 Year Member
> 78 Buskirk 30' Stretch
> 1975 Avion (Under Reconstruction)
> Michigan
>
>> On Dec 14, 2017, at 10:19 PM, Ken Burton wrote:
>>
>> A note on the fuel filter inside the 455 or 403 carb.
>>
>> It turns out that there are 2 different filter listed both by Ac Delco
> and Wix. In 1976 GM changed ALL filters of this type in all vehicles using
>> that filter. The change was adding a little rubber flapper check valve
> on the entrance side of the filter.
>>
>> Either filter will fit in all years of our 455 and 403 engines with
> Quadrajet carbs.
>>
>> AC Delco GF441 or Wix 33148 is the one without the check valve. (pre
> 1976)
>> AC Delco GF471 or Wix 33152 is the later version with the internal check
> valve and cost $1.80 more. (listed as 1976 and later)
>>
>> I did not check out other brands and I also have no recommendation on
> which version to use.
>> --
>> Ken Burton - N9KB
>> 76 Palm Beach
>> Hebron, Indiana
>
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502

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