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d17 gov. spring
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XT in pa View Drop Down
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Joined: 21 Apr 2011
Location: hickory pa
Points: 711 		Post Options Post Options   Thanks (0) Thanks(0)   Quote XT in pa Quote  Post ReplyReply Direct Link To This Post Topic: d17 gov. spring
    Posted: 07 Aug 2013 at 3:17pm
i need a tighter spring to be able to run over 2000 rpm  any ideas  i looked up 175 gas spring and it says 1800 rpm   from agco parts book   Shawn
190XT,D17and 7045
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Joined: 16 Sep 2012
Location: st.louis
Points: 320 		Post Options Post Options   Thanks (0) Thanks(0)   Quote firephight Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug 2013 at 4:07pm
Does the cover on your govenor have a allen style srew through the top with a jam nut on it? If so that limits how far the spring can be streched witch limits the govenor.you can also bend thevertical rod on the carb side but only bend it a little that is what I did with my wd45
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Joined: 14 Sep 2009
Location: Southern Utah
Points: 872 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Kip-Utah Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug 2013 at 6:06pm
I assume we are talking about a 201 or 226 in a WC, WD, or WD45. If so a D17 spring will get you somewhere around 2100 RPM. A 175 spring is going to be 200-250 RPM less.
HANSEN'S OLD ORANGE IRON. Showing, Pulling, & Going!!
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Joined: 22 Mar 2010
Location: Centre Hall, PA
Points: 2657 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BennyLumpkin Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug 2013 at 6:28pm
DrAllis has covered it 1000 times...D17 spring is 2050 rpm roughly. Bending the gov rod out of spec just makes your governor not work right. Adjust it properly for maximum rpm and governor response.
Central PA Allis Express
1934 WC254
1945 WF
1945 WC135755
1951 WD68085
1953 WD45-150217
1957 WD45D-230744D
B110
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Joined: 21 Apr 2011
Location: hickory pa
Points: 711 		Post Options Post Options   Thanks (0) Thanks(0)   Quote XT in pa Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 2013 at 10:10am
Well thanks to all. I won't bend the rod. That's not how it was factory. It's a 17 motor in a 17. Last night the most I got was 1800 that's it. Allen screw is up all the way. I didn't kno if there was any other springs that people have used and worked.       

       Shawn.
190XT,D17and 7045
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Joined: 22 Mar 2010
Location: Centre Hall, PA
Points: 2657 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BennyLumpkin Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 2013 at 10:34am
With the engine off, pull the hand throttle wide open. The rod to the carb from the governor should have the carb wide open. Pull the cotter key from the governor end...it should slide in and out or even be an 1/8" long to ensure it opens the carb the whole way...if its too far out then bend the rod (carb to governor not the governor arm) until desired length is achieved. 2050 rpm is with a D17 spring and WC or WD gov weights....I think for more rpm in a D17 you need different weights but I could be wrong.....would the good Doctor care to chime in? lol
Central PA Allis Express
1934 WC254
1945 WF
1945 WC135755
1951 WD68085
1953 WD45-150217
1957 WD45D-230744D
B110
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Joined: 22 Mar 2010
Location: Centre Hall, PA
Points: 2657 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BennyLumpkin Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 2013 at 10:34am
XT, where in PA?
Central PA Allis Express
1934 WC254
1945 WF
1945 WC135755
1951 WD68085
1953 WD45-150217
1957 WD45D-230744D
B110
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Joined: 21 Apr 2011
Location: hickory pa
Points: 711 		Post Options Post Options   Thanks (0) Thanks(0)   Quote XT in pa Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 2013 at 11:22am
40 min south west of pittsburgh  i go to farm show with my 17 if you ever been there
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Joined: 12 Sep 2009
Points: 20693 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 2013 at 1:05pm
 I prefer the carb link rod to be 1/16" to 1/8" too SHORT. The last few of degrees of throttle shaft rotation yields zero HP, and makes the governor snappier.
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Joined: 22 Mar 2010
Location: Centre Hall, PA
Points: 2657 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BennyLumpkin Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 2013 at 8:03pm
That's what I meant doc....sorry lol. XT I've been down once to pull the Keystone Nationals but haven't made the Farm Show pulls yet. I'm right where PSU is so I'm not too far away.
Central PA Allis Express
1934 WC254
1945 WF
1945 WC135755
1951 WD68085
1953 WD45-150217
1957 WD45D-230744D
B110
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Joined: 21 Apr 2011
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Points: 711 		Post Options Post Options   Thanks (0) Thanks(0)   Quote XT in pa Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 2013 at 8:06pm
Like state collage area.
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Joined: 22 Mar 2010
Location: Centre Hall, PA
Points: 2657 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BennyLumpkin Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2013 at 7:15am
Yeah I'm in a town just outside there. We have a good pull coming up in 2 weeks at the Centre County Grange fair....look it up. The fair gate is litterally 50 yards from my house lol
Central PA Allis Express
1934 WC254
1945 WF
1945 WC135755
1951 WD68085
1953 WD45-150217
1957 WD45D-230744D
B110
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Joined: 21 Apr 2011
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Points: 711 		Post Options Post Options   Thanks (0) Thanks(0)   Quote XT in pa Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2013 at 8:04am
you ever pull around somerset pa ?
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Joined: 24 Sep 2010
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Originally posted by DrAllis DrAllis wrote:

 I prefer the carb link rod to be 1/16" to 1/8" too SHORT. The last few of degrees of throttle shaft rotation yields zero HP, and makes the governor snappier.
 
I never really thought of makeing it to short, but it makes perfect sense.  When I flow test these single barrel updraft carbuerators on my Superflow, they are done gaining any flow when the throttle blade is about 90% open, that's just a guess and it varys some carb to carb. 
 
What helps is to bend the choke stop just a little so the choke blade is tipped just a few, 3 to 4 degrees up.  It offers a little lift to the incomeing air charge and helps direct it up at the venturi.  The carbs alwayse gain a few CFM of airflow when I do this.  Removeing the choke plate and shaft seldom if never help.
 
I won't and don't need to get into what's happening in the cylinder, vs what's going on in the manifold and carbuerator here, or all the other carbuerator modifications with custom parts, machining and epoxy work that really make them move some air but take Docs advice, it makes perfect sense and I've done and seen the "science" to back it up.


Edited by wi50 - 09 Aug 2013 at 9:50am
"see what happens when you have no practical experience doing something...... you end up playing with calculators and looking stupid on the internet"
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Joined: 16 Sep 2012
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Points: 320 		Post Options Post Options   Thanks (0) Thanks(0)   Quote firephight Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2013 at 10:23am
Originally posted by BennyLumpkin BennyLumpkin wrote:

With the engine off, pull the hand throttle wide open. The rod to the carb from the governor should have the carb wide open. Pull the cotter key from the governor end...it should slide in and out or even be an 1/8" long to ensure it opens the carb the whole way...if its too far out then bend the rod (carb to governor not the governor arm) until desired length is achieved. 2050 rpm is with a D17 spring and WC or WD gov weights....I think for more rpm in a D17 you need different weights but I could be wrong.....would the good Doctor care to chime in? lol
this is what I ment by bending the rod
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Joined: 21 Apr 2011
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Points: 711 		Post Options Post Options   Thanks (0) Thanks(0)   Quote XT in pa Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2013 at 10:54am
I see what you ment now. I'm sorry for misunderstand you.
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Joined: 14 Sep 2009
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Points: 1123 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mgburchard Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2013 at 1:39pm
before jt richardson died he was selling a spring good for 2650 rpms mlpankey now sells a spring that give 3000 rpms its a 100 dollars. 25 more than a 175 spring it is no secret what his spring is he posted on here several times
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Joined: 11 Sep 2009
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Points: 6358 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlie175 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2013 at 1:44pm
Use safety wire to wire a turn or two together on the spring, that way the spring can't stretch as far.....or so I have been told. Haven't tried it, I'm skeert!
Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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Joined: 21 Apr 2011
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Points: 711 		Post Options Post Options   Thanks (0) Thanks(0)   Quote XT in pa Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2013 at 2:47pm
i dont want to spend that much on a spring that i can only use for two pulls a year.  but thanks anyway.   ill see if its adjusted like Benny and the Dr. said. and ill go from there.    thanks guys       Shawn
190XT,D17and 7045
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