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AN fitting difference
#2098490
06/26/16 01:44 PM
06/26/16 01:44 PM
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Joined: Feb 2011
Posts: 1,454
Glendora Ca.
Just-a-dart
OP
pro stock
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OP
pro stock
Joined: Feb 2011
Posts: 1,454
Glendora Ca.
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While changing a old -8 hose out yesterday I noticed the I.D. of a old fitting was small, so I took a minute to compare it to a few others I had.
I thought this was interesting.
Last edited by Just-a-dart; 06/26/16 01:50 PM.
"Just a Bracket car dressed up like a streetcar"
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Re: AN fitting difference
[Re: Just-a-dart]
#2098501
06/26/16 02:07 PM
06/26/16 02:07 PM
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Joined: Dec 2005
Posts: 11,562
Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,562
Fulton County, PA
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Why I recommend Aeroquip. XRP is a true aircraft cutter style end which some people don't like to work with, even though it is probably a better design and is more expensive. Summit? Who knows where that comes from. And the old Russell stuff was awful. No clue what the current stuff looks like. Earl's makes nice stuff and offers both styles, but I don't have any here to measure.
Interesting that I haven't been able to find any of these specs in anyone's information online.
Last edited by CMcAllister; 06/26/16 02:11 PM.
If the results don't match the theory, change the theory.
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Re: AN fitting difference
[Re: CMcAllister]
#2098662
06/26/16 06:08 PM
06/26/16 06:08 PM
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Joined: Feb 2011
Posts: 1,454
Glendora Ca.
Just-a-dart
OP
pro stock
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OP
pro stock
Joined: Feb 2011
Posts: 1,454
Glendora Ca.
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I have been using Mostly XRP for years now.
Could someone measure the I.D. of other brands (Earls, Fragola, etc) just for reference?
"Just a Bracket car dressed up like a streetcar"
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Re: AN fitting difference
[Re: Just-a-dart]
#2098696
06/26/16 07:05 PM
06/26/16 07:05 PM
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Joined: Dec 2005
Posts: 11,562
Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,562
Fulton County, PA
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XRP is top shelf. They just aren't available at the cut rate mail order giants. Probably a reason or 2 for that.
Last edited by CMcAllister; 06/26/16 07:17 PM.
If the results don't match the theory, change the theory.
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Re: AN fitting difference
[Re: Just-a-dart]
#2098712
06/26/16 07:24 PM
06/26/16 07:24 PM
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Joined: Aug 2003
Posts: 43,173
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,173
Bend,OR USA
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I'm under the impression that 8AN should have a minimum I.D. of .500 through out the system, not smaller  AN, Army Navy, standards are based on .0625 increments, 8 times .0625 equals .500 inch, correct? 
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: AN fitting difference
[Re: Just-a-dart]
#2098716
06/26/16 07:34 PM
06/26/16 07:34 PM
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Joined: Dec 2005
Posts: 11,562
Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,562
Fulton County, PA
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My technical information says:
-8AN metal tubing outside OD - 1/2"
-8AN hose ID - .438"
-10AN hose ID - .562"
If you are referencing mil-spec or AN hardware - bolts, screws, etc. - then yes, -8 is 1/2", -6 is 3/8", etc.
Last edited by CMcAllister; 06/26/16 07:39 PM.
If the results don't match the theory, change the theory.
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Re: AN fitting difference
[Re: Just-a-dart]
#2098823
06/26/16 10:10 PM
06/26/16 10:10 PM
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Joined: Jan 2003
Posts: 19,363
Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,363
Las Vegas
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And here is what I got with three new unused fittings
.358 Summit
.367 Earls
.370 XRP
I have some Fragola stuff to as we just redid the Drasgter with all their stuff not long ago. Just cannot find an spare -8 fittings.
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: AN fitting difference
[Re: Al_Alguire]
#2099029
06/27/16 01:44 AM
06/27/16 01:44 AM
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Joined: Dec 2005
Posts: 11,562
Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,562
Fulton County, PA
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And here is what I got with three new unused fittings
.358 Summit
.367 Earls
.370 XRP
I have some Fragola stuff to as we just redid the Drasgter with all their stuff not long ago. Just cannot find an spare -8 fittings. Is the Earls a cutter style?
If the results don't match the theory, change the theory.
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Re: AN fitting difference
[Re: Just-a-dart]
#2099083
06/27/16 04:32 AM
06/27/16 04:32 AM
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Joined: Jan 2003
Posts: 19,363
Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,363
Las Vegas
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Yes it is and Earls Swivel seal same type as the XRP..
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: AN fitting difference
[Re: VernMotor]
#2104474
07/05/16 09:09 PM
07/05/16 09:09 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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I'm starting to see that if you really want a certain size on the American stuff you better go up one more size... between the fitting it screws onto and the fitting itself we choke ours pretty good 
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Re: AN fitting difference
[Re: CMcAllister]
#2104502
07/05/16 09:56 PM
07/05/16 09:56 PM
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Joined: Jul 2004
Posts: 19,317
State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,317
State of confusion
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My Earls #8 measures .375-.377 id.............
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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