Speedway Grooving Iron and 6 Blade Siper Head Kit, Siping Tool

Description

Great for grooving, cutting and siping, Pistol grip design can be used with or without heat, Seven feet of cord with 110 volt, 300 watt operation, Multi head siper and blades included, Accepts all Speedway Motors and Ideal brand heads and blades
Speedway Grooving Iron and 6 Blade Siper Head Kit, Siping Tool
Sku # 91082075
Mfr. Part # 91082075
Condition
New
Brand
Speedway Motors
Sold
Kit
Details
Notes
Install the head and set the blade to the depth of cut needed before plugging in the groover
Plug the groover in and allow it to warm up for five minutes before you start grooving; our tabletop tire grooving iron stand is suggested for warm up and cool down
Always store tool facing up/handle down in a vertical position while in use to minimize temperature transfer to the handle
Monitor the temperature of the tool and unplug it as needed to regulate the temperature.
Do NOT leave this unit plugged in for more than 10 minutes at a time or leave unattended
This grooving iron will reach operating temperature quickly due to the extreme heat created and will groove before reaching its max temperature
Tire Grooving Tips
Sanding the mold nubs off the tread before grooving or siping is suggested if the nubs are large; a tire grinder with a 60-grit sanding pad works well for this
Most tires are easier to groove or sipe with the tire mounted and inflated to normal pressures; this is especially true with thin wall racing tires
Complex tread designs can be marked out with a tire marking paint pen or paint stick
Circle Track specific Grooving and Siping Tips
Tire Grooving
Grooves around the circumference of the tire will add side bite and help cool the tire
Grooves across the tread will add forward bite and help warm up the tire
Rear tire grooves and sipes across the tread typically work best when straight across the tread (90 degrees to the circumferential grooves)
Front tire grooves and sipes across the tread typically work better at a slight angle and when viewed from the top of the right front tire the grooves will angle from right front to left rear
Tire Siping
Sipes have a similar effect as grooves and are primarily used to warm up the tire
Sipes around the circumference do not provide much if any cooling effect since they are not open for air to flow through like grooves are
1/8-inch to 3/16-inch sipe depth works well for most tires.
Adding more sipes which are closer together will increase the tire temperature and will add grip as long as the tire is not overheated
If a tire is overheated and blisters the sipes need to be spaced further apart and possibly a shallower depth of cut should be used
More sipes are typically used on front tires to help them heat up and less sipes on rear tires, especially the right rear
Info
250-watt heating element gets up to temp quickly
110-volt operation for use with fixed power or trackside generating equipment
7-foot-long detachable power cord for accessibility and to sipe without heat
Perfect for siping tires used in dirt motorsports
Pistol grip design aids in cutting stability with or without heat
Accepts all Speedway Motors and Ideal brand tool heads and blades
Multi-blade siper head with blades included
Depth of sipe adjustable by loosening blade screw and setting to desired depth
Additional tool heads and blades sold separately, only buy the size you need
Maximize Your Tire’s Traction by Adding Grooves and Sipes
If you race on dirt you know that track conditions change throughout race day and many will ask how to increase traction on tires. From a high grip surface that can be wet and slinging mud to a shiny black or even hard and dusty surface as the laps pile up and the sun goes down, tire traction can change dramatically. While there are different tire compounds you can choose from to aid in traction depending upon the track’s bite, one thing many experienced racers do is modify their dirt tires by adding grooves and sipes to the tread blocks using a heated tire grooving iron tool with a specific cutting head and blade attachment.
What is tire siping and grooving? Well, grooving is just that, cutting grooves in the tread where you are removing rubber, while siping is where you make a thin cut (like a razor blade) but no material is actually removed. These cuts can be made in various widths and directions to enhance traction and get the tire up to temperature faster but can also be used to increase a tire’s longevity by helping it run cooler too. It is all in how the tire is cut.
Learning how to cut a tire with a tire groover and sipe your own tires is a bit of a black art, but a good racer will keep a logbook of modifications and can reflect on past track conditions to see what size groove and angle worked best previously. The same goes for tire siping. Often you can lean on a fellow racer for grooving and DIY tire siping advice or reach out to the tire manufacturer for suggestions on how its tire products react to certain grooving and siping cuts. Regrooving tires that have been sanded down and brought back to life is one way to save some money in your race budget too versus buying new rubber for your race car.
Built Tough to Handle Any Tire
Grooving tires and siping tires on your dirt racer takes some effort, but our tire groover tool is built to take it. We start off with a quick-heating element that is ready in just minutes and house it in a tough chrome plated barrel with chrome plated steel tip.
Our fiberglass reinforced polymer handle keeps your hands safe from the extreme heat found at the head of the cutting tool. Then we add in a fully grounded UL-listed 18-AWG power cord that is a generous 7-feet in length and detachable from the tool if you wish to cold-sipe your tires.
Our tire cutting tool is designed to work with all Speedway Motors tire grooving iron heads and blades, as well as the heads and blades from the Ideal Heated Knives brand that we carry. A single 4mm Allen head set screw (wrench not included) makes tool head changes quick and simple. Using the multi-blade siper head instantly turns our tire groover into a tire siping tool that makes quick work of your tread blocks.
Grooving and Siping Your Tires Could not be Easier
We carry a full lineup of cutting blades and heads (the heads and blades must match in size and used together) for our tire grooving iron. You will install the appropriate size head into the tool first, followed by the matching cutting blade. Set the depth of your blade before plugging the iron in and it gets hot. Generally, you will want your sipes to be 1/8-inch to 3/16-inch in depth and no more than 1/2 the depth of the tread block.
Most racers will find having more sipes on the front tires and less on the rear is the best combination. Sipe spacing is also determined by the size cutting blades used, with the further apart the sipes the cooler the tire will run. When cutting your grooves, you want them to be at full depth. Width of the grooves and direction will vary depending upon track conditions and whether you are grooving a front or rear tire (rear tires are usually grooved straight across and front tires are grooved at a slight angle to improve forward bite and warm the tire more quickly).
Make the Move and Start Improving Your Tire’s Traction Today
While grooving your tires takes some trial and error and an ability to read a track surface, in the end, grooving and tire siping dirt track racing tires with additional grooves and sipes is just another tool in a racer’s toolbox of tricks and tips to help them get to the front of the pack and stay there until the checkered flag drops. It does not matter if you are racing a Late Model or Sprint Car, doing some competitive rock crawling, rally racing, or even mud drags, modifying your tires with our tire grooving iron is sure to benefit your racing program by providing the ideal tire, making your tires grip the surface better and put just the right amount of heat into them.
Application
This Part Fits
Sanctioning bodies that allow tire grooving/siping (in specific classes) include IMCA, Wissota, USRA, USMTS, UMP
Charts
(PDF)
Specs
Sold in Quantity
Kit
Wattage
250
Voltage
110
MFG. Part #
91082075
Notes
Includes six-blade siping head and blades
Reviews
This iron smokes the 250 Watt!
Rated
by Nelly G. on May 06, 2012
Summary:
This iron kicks butt! Gets hot quick, cuts nice, but you have to work the iron or handle meltdown WILL happen! DO NOT LEAVE UNATTENDED!Plan your cuts, make a few cuts after unplugging the iron to assist with cooling down.
Pros:
Compact
Easy To Use
Like hot knife in butter
Yes, I recommend this product.
Related Items / Suggested Parts
Ideal 125 Tire Groover with 6 Blade Siper Head Kit, Siping Tool
Tabletop Tire Grooving Iron Stand
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Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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