Racing 4 Cylcle Engines, Race Ready Call 712-324-3288

Animal Sr./ Jr. $1400.00

305 10 hp Intek            $ call
Adult Stock Sleeved         $1475.00
Jr. 1,2 Stock Sleeved        $1475.00
IKF Gass Class                $1150.00

206 Option- jr/sr.            $675.00
Limited mods..              $ call
Animal mods..              $ call

All engines are to 2011 Ikf/wka rules!
Come race ready , broke in, and dyno sheet

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What We Can Do For You!

Bore block
Precision Hone block
Install and line bore Sleeve
Install valve guides, any oversize
Install Perfect Sized Seats
Precision stone cut seats
Precision "blueprint valves" with perfect seal to seats
Custom install springs, spring heights with pressures to specific class
Build "Perfect Heads" for desired class, not any head will work..
Port block for max flow/velocity for desired class
Blueprint Carb for restricted and unrestricted Stockers
Flow Bench Services, block, carb, head, any combo.............up to 1 1/2 inch ID
Customize Max size Restrictor Plates (IKF)
Hand Pick header for your class, track size, weight, rpm drop, etc
Decide what weight flywheel is suited for your track size/application
Decide what Cam is suitable for size of track/weight
Grind Clutch surfaces
Blueprint/Rebuild Complete Clutch
Dyno Clutches and graph clutch slip
Dyno services, You want to try something, we can do multiple dyno runs to determine loss or gain
Custom Cut Tires
Custom Lathe work
Custom Mill work
Complete Small Engine Repair

Bottom Line is, We are always up for new ideas and thoughts to make YOU get to the front, With a Little R and D we will help You Get There.....................

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We are a Briggs Motorsports Center!

206 Option

10 hp Intek Briggs Modified

Stocker Limited Modified

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Trouble Shooting- Flat Heads

Head Temperature

Hot:

Move to larger jet size

Loosen Kart

Lower Gear Ratio

Colder Plug range

Check pickup tube on carb for debris

Check Air Screen for Blockage

Cold

Duct tape on blower housing (worth 20-30 degs)

Hotter plug range

Smaller jet

Loss of Compression

Check for blown Head Gasket

Check for stuck or bent valves

Leak down test to determine source of leakage

Engine Missing

End of straights or Max RPM

Lower jet size

Fouled plug

Bad coil

Missing in turns

Right Hand Turns: Tank insert – B&S P/N 555520

Left Hand Turns: Check Fuel Level for overfill

Fill to seam line in tank

Engine lacks top speed (At recommended target RPM)

Reduce jet

Change to shorter exhaust pipes

Change to larger primary diameter exhaust pipes

Engine lacks bottom end (At recommended target RPM)

Increase Jet

Change to longer exhaust pipes

Change to smaller primary diameter exhaust pipe

Engine loses fire

Check Kill Switch

Check for fouled plug

Check for plug electrode closed

Bad Coil