- How do you measure bolt patterns on wheels?
- How do you measure off sets or what is also know as back spacings?
- How do you find spline counts on U-Joints?
- What does SWP and LWP mean when dealing with Water Pumps and Pulleys?
- What is the complete physical size of your wheel studs?
- What is the difference between proban driving suits and nomex driving suits?
- What is the difference of the SA2005 and and Snell M2005 approved helmet?
- How do I measure an aluminum radiator?
- What is the setup on the MSD 6 Series-Magnetic Pickup Distributor?
- How do I run a plastic line to steel braided line to the caliper?
- How do I run a plastic line to steel braided line with an aluminum fitting?
- How to change replacement fuel filter?
- How do you determine the belt length on your KSE pump?
- My car is not handling correctly what should I do?
- I have a certain type of dirt stock car and I need to know what suggested spring rates to go with?
- Why are there different size master cylinder bores?
- Why would I need to buy a durometer?
- Will the engine mid plates bolt up to a 305 block?
- How do I know what size drivers suit I need?
- How do I know what size helmet I need?
- How do I know what size shoes are available?
- How do I determine the size of glove I need?
- How do I determine seat size?
How do you measure bolt patterns on wheels?
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How do you measure off sets or what is also know as back spacings?
This term back spacing means the distance between the extreme back edge of the rim, not bead seat, to the mounting pad. The best way to measure is to lay the wheel face up on a solid surface and measure the distance between the surface and the mounting pad.
On a race car we use different offsets to help tune the chassis to the track conditions. When you change tire offsets, it changes the amount of weight that tire puts to the ground. We suggest that you put your car on scales and record the weight differences when you change tire offsets. That will allow you to make proper chassis changes at the track.
WHEELS MAY NOT BE RETURNED
ONCE A TIRE HAS BEEN MOUNTED!
DOUBLE CHECK ALL WHEELS UPON RECEIPT.
How do you find spline counts on U-Joints?
To find out how many splines there are on the U-Joint you need to replace, start by drawing a line straight up and down the surface of it. If there is a flat porting with no splines turn it to the right. Count only the splines to the left of the line and double that number. This will give you a correct spline count for the replacement.
What does SWP and LWP mean when dealing with Water Pumps and Pulleys?
This is the style length of your existing water pump. Is it a Short Water Pump (SWP) or Long Water Pump (LWP)? When replacing these items you will need to know the style.
What is the complete physical size of your wheel studs?
Course thread, 3/8” knurl, 2” thread length. 5/8” - 11 threads. Studs now available in 3-1/4” or 4” total length.
What is the difference between proban driving suits and nomex driving suits?
Proban and Nomex is the type of material suits are made of. Proban is a cotton material treated with a fire retardant chemical. Nomex is a material made with fire retardan fibers.
What is the difference of the SA2005 and and Snell M2005 approved helmet?
These are the approval agencies specifications. Both helmets are the same style and design. The only difference is the SA2005 will have a nomex lining. Before ordering a helmet check your rules to see what is specified.
How do I measure an aluminum radiator?
The aluminum radiators are measured by the toal width and total heght of the radiator.
What is the setup on the MSD 6 Series-Magnetic Pickup Distributor?
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How do I run a plastic line to steel braided line to the caliper?
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How do I run a plastic line to steel braided line with an aluminum fitting?
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How to change replacement fuel filter?
How do you determine the belt length on your KSE pump?
Determining Belt Size:
When choosing belt size, the size of the drive must be known. If only inches are known, take the belt length and divide by 25.4. These guidelines are based on standard applications and many variables can change the proper belt size. Using aftermarket products such as Tilton drives and RTC powerglide mounts will require measuring in order to determine proper belt size.
Determining Drive Size:
20T Drive- (Sold with KSE Tandem Kit, Pro-Tek Mandrel Kit, and most belt kits.)
Part No: KSC1058-800 (800mm x 8mm x 20mm) Chevy
Part No: KSC1058-720 (720mm x 8mm x 20mm) Ford
24T Drive- (More common with Falcon applications)
Part No: KSC1058-560 (560mm x 8mm x 20mm)
35T Drive- (More common with Bert applications)
Part No: KSC1058-560 (560mm x 8mm x 20mm)
40T Drive- (More common with Brinn applications)
Part No: KSC1058-600 (600mm x 8mm x 20mm)
My car is not handling correctly what should I do?
FYI: The 3 timing components of a chassis is bar length, bar angle and shock
rate. Shorter bar or more angle equals quicker reaction.
This chart is to be used for reference only! We all know what a chore it can be to chase those ill-handling race cars. Take this chart and troubleshoot your car. We understand that each car is different, but we felt that offering you some baseline set-up tips may help you with your handling problems.
I have a certain type of dirt stock car and I need to know what suggested spring rates to go with?
Why are there different size master cylinder bores?
The bigger the master cylinder is, the more fluid you get, but you’ll have less pressure at the caliper. The smaller the master cylinder is, the less fluid you get, but you’ll have more pressure at the caliper. Think of it like putting your thumb over the end of a water hose. As your thumb decreases the amount coming out of the hose, the more the pressure increases. On most dirt cars with a dual master cylinder set up, most racers choose to run the 7/8” bore master cylinder to the rear and the 1” bore master cylinder to the front. This helps free the car up getting in the corner and you’re able to carry more speed into the corner. On most pavement cars with a dual master cylinder set ups, most racers choose to run the 1” bore master cylinder to the rear and the 7/8” bore master cylinder to the front. This creates more pressure to the front calipers and helps get the car into the corner straight and flat to minimize tire scrub.
Why would I need to buy a durometer?
A Durometer precisely measures the hardness of a tire. The Longacre part number DU-50540 reads from 0-100 points with a padded storage pouch included. A soft compound racing tire is subject to constant changing environments, such as temperature, track temperature, humidity, friction, storage, and age. Take the time to check the entire radius of the tire, checking different blocks across the tire. This allows you to take all the variables of the tire into consideration when choosing the correct tire for the race.
Will the engine mid plates bolt up to a 305 block?
Yes, our engine mid plates bolt up to 305 and 350 blocks.
How do I know what size drivers suit I need?
| DRIVERS SUIT SIZING CHART | ||||||||||
| MEASUREMENT | Child | Child | Child | SML | MED | LRG | XLG | XXL | XXX | |
| SML | MED | LRG | ||||||||
| Chest | 27-29" | 30-32" | 33-34" | 36-38" | 38-41" | 42-46" | 46-49" | 50-54" | 54-59" | |
| (See Note 1) | ||||||||||
| Stomach | 23-26" | 27-29" | 29.5-31" | 32.5-35" | 35-38" | 40-43" | 43-46" | 47-51" | 51-54" | |
| (See Note 2) | ||||||||||
| Waist | 21-24" | 24-26" | 26-28" | 29-32" | 32-35" | 38-40" | 41-43" | 44-48" | 48-52" | |
| (See Note 3) | ||||||||||
| Hip | 26-28" | 30-32" | 33.5-34.5" | 35-37" | 38-40" | 42-44.5" | 45-48" | 50-52.5" | 53-55" | |
| Inseam | 18-19" | 21.5-22.5" | 24" | 29-30" | 30-31" | 32-33" | 32.5-33.5" | 32.5-33.5" | 34" | |
| Sleeve | 20-21" | 23-25" | 26.5-27.5" | 28-29" | 30-32" | 33-34" | 34-35" | 35-37" | 37-38" | |
| Neck | 10.5-11.5" | 11.5-12.5" | 12-13" | 13-14" | 13.5-15" | 15-16.5" | 16-17.5" | 17.5-19" | 19-21.5" | |
| Waist to Ankle | 24-25" | 28.5-29.5" | 32-33" | 37-38" | 38-39" | 40.5-41.5" | 41-42" | 41.5-42.5" | 45.5" | |
| Note 1 - Measure at the largest circumference. | ||||||||||
| Note 2 - Measure at the normal beltline. | ||||||||||
| Note 3 - Measure from the back of the neck at the center to your wrist; arm bent downwards at a 90° angle at the elbow. | ||||||||||
How do I know what size helmet I need?
| HELMET SIZE CONVERSION CHART | ||
| Measurement | Size | Metric |
| 20-1/2 | 6-1/2 | |
| (XXSmall) | 52 | |
| 20-7/8 to 21-1/4 | 6-5/8 to 6-3/4 | |
| (XSmall) | 53-54 | |
| 21-5/8 to 22 | 6-7/8 to 7 | |
| (Small) | 55-56 | |
| 22-3/8 to 22-3/4 | 7-1/8 to 7-1/4 | |
| (Medium) | 57-58 | |
| 23-1/8 to 23-1/2 | 7-3/8 to 7-1/2 | |
| (Large) | 59-60 | |
| 23-7/8 to 24-1/4 | 7-5/8 to 7-3/4 | |
| (XLarge) | 61-62 | |
| 24-3/4 to 25-1/8 | 7-7/8 to 8 | |
| (XXLarge) | 63-64 | |
| 25-1/2 to 26-1/4 | 8-1/8 to 8-3/8 | |
| (XXXLarge) | 65-67 | |
| For a perfect fit: | ||
| Use the sizing chart to get the correct size for your helmet. Carefully measure around your head, above the ears and about an inch above your eyebrows. | ||
| NOTE: Although many people's heads may measure identically, they may be shaped differently which affects size and fit. Once you have selected the proper size, and you have recieved your helmet, it should have a snug, but comfortable fit for optimum performance. | ||
How do I know what size shoes are available?
| RACING SHOE SIZE CONVERSION CHART | |||||||||||||||||||
| Mens | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 | 14 | |||
| Womens | 4.5 | 5.5 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14.5 | 15.5 |
| Child | 3 | 4 | 5 | 5.5 | 6 | ||||||||||||||
How do I determine the size of glove I need?
| GLOVE SIZE | |
| INFORMATION | |
| Measurement | Size |
| 6.5 | XXSmall |
| 7.5 | XSmall |
| 7, 8.5 | Small |
| 8, 9.5 | Medium |
| 9, 10.5 | Large |
| 10, 11.5 | XLarge |
| To find glove size in inches, | |
| measure around the largest part of | |
| the hand over the knuckles whil | |
| making a fist, excluding the thumb. | |
How do I determine seat size?
The width of the hips determines the size of the seat. To measure hips have the driver sit on a bench with his legs hanging over the side. Measure width of hips across centerline of body side to side, but don't let the tape measure follow the curvature of the body. A yard stick usually works best.
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