Symco, WI Spring Pull May 11, 2017 10:04AM
Symco's Union Thrasherman spring pull is soon approaching on Saturday June 10th. Supposedly the rules have been updated and I thought they should be shared so everyone knows what to expect. The stock class has been altered. It now lets you run up to a certain horsepower based on the weight class you will pull in. (See Chart below) This should let you guys with that little bit of extra horsepower sneak right into the stock class. (As long as you keep its appearance stock looking the way I read it.) Lets get those old bored and stroked tractors out and knock the cobwebs out of them. Whos going to know right. Dyno? I haven't seen a dyno at a pull in years around there. Let the cheating or I mean over engineering begin!!!

HP to Weight Class Chart for stock class.
2800# = 25HP
3000# = 30HP
3500# = 35HP
4000# = 40HP
4500# = 45HP
5000# = 50HP
6000# = 60HP
7000# = 70HP

General Rules
1. Judges have the right to inspect under hoods and curtains, anyone that does not comply, he/she will be disqualified
2. Any puller must operate tractor in a safe manner on and off the track at all times (MUST SUPPLY YOUR OWN CLEVIS)
3. Anyone tampering with another tractor will be disqualified
4. Driver must remain on seat with one hand on steering wheel, no jumping or bouncing, but leaning will be allowed
5. No crawlers, tire chains or duals
6. Steel Wheels will pull last in class and one set of extension rims allowed
7. Rigid draw bar must not exceed 20 inches in height or be closer than 18 inches to center of axle (except pure stock)
8. Tractors must stop if flagged
9. Heavier tractors (88, 44, G, M, U Moline’s) can not pull under 5000
10. Tractors without wheelie bars will follow the track judge’s rules for height and must be kept under control. If not you will
be stopped and measurement will be taken at that point
11. Any tractor violating track boundaries or anything falls off tractor before pin is pulled you will be disqualified
12. Any driver 12 to 17 years old must have parent’s signature and Tractor Safety Class NO EXCEPTIONS
13. Engine will be controlled by throttle lever with positive stop only. No vise grips, strings, wires or foot feet allowed
14. No using torque amplifiers, or shifts on the go
15. Add on weights not exceed 24” ahead of the front castings, or 24” behind center of rear axle, or beyond original platform.
Weights must not interfere with hooking the tractor (pure stock tractors wheel weights only see pure stock rules on
weights)
16. No all-thread (ready rod) to extend 2” past outer most wheel weight
17. ONE PULL PER TRACTOR! (Thresheree Only)
18. Any disqualifications, there will be no refunds
19. TRACK JUDGES RULING IS FINAL ON ALL AREAS OF DISPUTE NOT COVERED IN THESE RULES! Any belligerent behavior will
result in IMMEDIATE DISQUALIFICATION.
20. All tires must have original molded size on tire casing.

PURE STOCK
1. Engine: stock block, head, manifold, carb, no add on parts not in original parts book, no electric ignitions, (under cap
Petronix ok) stock coil only, stock hp and rpms. Tractors may be put on Dyno and must have working PTO.
2. Check Tire Chart for tire sizes – Tire Size must be on tire
3. Original hitches and drawbars, pulling eyes are allowed (no clevis with spacers, or bent-up drawbars) Hook point must be
13” -14” from end of PTO, or no closer than 30” from center of axle, allowances will be made on certain models
4. Tractors must have stock appearance
Continued on Back>>>>>>>>>>>
Revised 04/08/2017
5. No cut or sharpened tires
6. Must have original air cleaner and hooked up
7. No weight brackets allowed. All weights must be bolted directly to the wheel and rotate with the wheel. Ready Rod is acceptable. A weight bracket is considered to be anything welded or fabricated to support or hold a weight.
8. ANY TRACTORS MAY BE DYNO’ED AND RPM LIMITS WILL BE ENFORCED!!!
9. Speed limit will be 3.5 mph
10. Any complaint about someone else’s tractor not meeting specs, YOUR tractor will be checked first.
11. Engine speed must be controlled by the throttle lever and a functional stock governor only. No strings, wires, or foot feeds

CLASSIC (Spring Pull Only)
1. Engine; Stock block, head, manifold, carb, no add on parts not in original parts book, no electronic ignitions (under the cap Petronix ok) stock coil only, any aftermarket air cleaner allowed
2. 10% over on horsepower and rpm will be allowed, ANY TRACTORS MAY BE DYNO’ED AND RPM LIMITS WILL BE ENFORCED!!!
3. Adjustable pulling style hitches will be allowed no higher than 20” and no closer than 18” to center of rear axle
4. Tractor must have stock appearance
5. Check Tire Size Chart
6. No cut or sharpened tires
7. Hang-on weights will be allowed
8. Engine speed must be controlled by the throttle lever and a functional stock governor only. No strings, wires, or foot feeds allowed.
9. Speed limit will be 3.5 mph

IMPROVED
1. Engine: stock block, tractor carb, original transmission, rear end, sheet metal etc.
2. No Front cut tires – Check Tire Size Chart
3. Wheelie bars, kill switches and fenders recommended and encouraged. If not applicable judges will rule height of front end and under control
4. RMP’s over 20% must have safety equipment (Safety blanket, scatter shields, steel flywheel, side shields, etc.) Deadman throttle recommended
5. No home built manifolds, or headers (o.e. replacement only)
6. Speed limit will be 4 MPH

MODIFIED
1. Engine: Must run stock block, transmission, rear end, sheet metal etc. NO 7 main Oliver blocks, or MM 800 jugs
2. Any cut tires allowed – Check Tire Size Chart
3. Wheelie bars, kill switches and fenders are MANDATORY!!
4. Modified tractors can not pull in improved classes
5. RPM’s over 20% must have safety equipment. (Safety blanket, scatter shields, steel flywheel, side shields, etc.) Deadman throttle recommended
6. All side shields must be able to be removed, or opened upon officials request for inspection, or competitor will be DQ’s – Gas, LP, Diesel only - No Alcohol
7. Must be naturally aspirated, NO injection of any kind
8. Must have stock intake configuration. (If the tractor came with updraft carb stock an updraft style intake must be used.) Custom intakes and headers allowed
9. Speed limit will be 7 mph for Spring Pull and Thresheree only. (No pace classes with enough interest at Spring Pull only)
RULES SUBJECT TO CHANGE WITHOUT PRIOR NOTICE OR POSTING
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Re: Symco, WI Spring Pull May 18, 2017 02:22AM
Who is the best contact for this pull. Thinking about coming, but live a couple hours away. Just want to talk to a rep for this. Pull Stock and improved classes.

Thanks
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Re: Symco, WI Spring Pull May 18, 2017 05:17AM
I see on their website you can contact either a Dan @ 920-596-3827 or a Tom @ 715-851-0387
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Re: Symco, WI Spring Pull May 25, 2017 05:00PM
if your a couple hours away,and want to run in stock or improved,save your fuel and find something closer
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Re: Symco, WI Spring Pull May 26, 2017 12:11AM
Yea, I talked to a few people and it sounds like its a good old boys club. Rules aren't followed the best and favor them or a buddy. Same tractors pull a half dozen times with different people so its boring and lasts all day. I don't have time for that, and will find something different. Thanks for the advise though.
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