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AFC, Full power screw, pin grind ?

Old Jun 27, 2007 | 09:20 PM
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AFC, Full power screw, pin grind ?

Smoke screw turned in as far as it wll go and still get the nut on it. Assuming the truck setting were stock ( I have no way of knowing) I turned the full power screw in 1/2 turn. Star wheel I turned 90* clockwise.

Question 1.
On the star wheel, how far can you go clockwise in turns? Can you go to far, and if you do, what would happen.

Question 2. How far can you go with the full power screw? Too far = runaway? Sticky said something like 1-2 turns. I feel this was and always has been stock as the metal tab was still present (not any more ).

Question #. ON the fuel pin grind, what and where and why am I actually grinding? Pics included. How far do you frind and are there particular angles/depths? Does the ride of the pin look ok?
Attached Thumbnails AFC, Full power screw, pin grind ?-boog-pics-102-48.jpg   AFC, Full power screw, pin grind ?-boog-pics-104-48.jpg   AFC, Full power screw, pin grind ?-boog-pics-109-48.jpg  
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Old Jun 27, 2007 | 10:40 PM
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From: SOUTHCENTRAL OHIO
the small neck part of the fuel pin is what you want to grind, look in the sticky for pictures, i turned my starwheel all the way to the bottom, it just stops turning, use your fingers cause its alot faster, so have alot of other guys on here, adds low boost fuel, or as most people call it, SMOKE. go until runaway then back it out a turn.
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Old Jun 27, 2007 | 11:38 PM
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My old '92...bottomed out starwheel, Old Smokey Pin, power screw turned 2.5 times.
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Old Jun 28, 2007 | 03:38 AM
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Star wheel I turned 90* clockwise"

I think you confused that with the fuel cone directions. You want to turn the fuel cone so that the pin (coming out from the front) rides in the narrowest part of the "cone". Its not symetrical so you turn it X* for the pin to ride deeper.
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Old Jun 28, 2007 | 07:35 AM
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From: Port Crane (Binghamton) NY
https://www.dieseltruckresource.com/...d.php?t=154086 <----- everything u need to know about the fuel pin

bottom out your star wheel, return your smoke screw to stock, the smoke screw only adds unnessecary heat while cruising. Unless u like lots of pre-boost smoke.
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Old Jun 28, 2007 | 04:20 PM
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I guess I need to know which side of the pin to grind, shallow or deep side. After re-reading the sticky, and checking mine, my pin was ridiing on the shallow side, so I turned it so it was riding on the deep side (on with the most travel). So, am I grinding on the deep side of this?

Pics would be nice, but the sticky links must be too old now as 2 of the 3 dont work anymore.
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Old Jun 28, 2007 | 04:26 PM
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From: Tijeras, New Mexico, 7,000ft up
Originally Posted by GIT-R-DONE
I guess I need to know which side of the pin to grind, shallow or deep side. After re-reading the sticky, and checking mine, my pin was ridiing on the shallow side, so I turned it so it was riding on the deep side (on with the most travel). So, am I grinding on the deep side of this?

Pics would be nice, but the sticky links must be too old now as 2 of the 3 dont work anymore.
You got it, grind the deep side for even more clearance.
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