Here at McLeod Racing we field tech and application fitment questions from all walks of life. Some call in because the information on the internet is confusing, and we hope with this tech article to clarify the confusion.
 
There are four main factors to consider when determining the correct SBC or BBC flywheel for your application. Be it a new crate engine, or an old 350 SBC you’ve pulled out of the barn to rebuild for a project.

Vehicles that have been modified are going to make some interesting noises versus unmodified rides. Some of these noises can be a sign of trouble, while others are just a part of what you deal with when you drive a custom vehicle. Gear rollover is something that might pop up if you install an aftermarket manual transmission, and it’s not as serious as it sounds.

There’s a lot of work that goes into bolting a new aftermarket manual transmission into your vehicle. After you complete the installation, new noises might be heard coming from under the vehicle that might sound like big problems. Numerous things like a part of the driveline touching the transmission tunnel, unbalanced parts, the type of bushings used, or other items could be generating strange noises or vibrations.

Here is a pressure plate pattern diagram to help identify what pattern is on your flywheel prior to purchasing your McLeod clutch kit.

This is a tech article on how to properly calulate the correct pedal ratio for the proper mechanical leverage, pedal feel and stroke to release the clutch.

This chart is to help determine what series hydraulic bearing you need. Before you begin your measurement please make sure to have your entire clutch assembly installed on the back of the motor and torqued down to the factory specifications, this includes Flywheel, Disc,Pressure Plate,Block Plate (if used) and Bellhousing.

This chart is to help determine what series hydraulic bearing you need. Before you begin your measurement please make sure to have your entire clutch assembly installed on the back of the motor and torqued down to the factory specifications, this includes Flywheel, Disc,Pressure Plate,Block Plate (if used) and Bellhousing.

This chart is to help determine what series hydraulic bearing you need. Before you begin your measurement please make sure to have your entire clutch assembly installed on the back of the motor and torqued down to the factory specifications, this includes Flywheel, Disc,Pressure Plate,Block Plate (if used) and Bellhousing. 

Street legal performance cars today are more powerful than ever before. It would seem that while a decade ago 500 hp made you the big dog in your hometown, today it’s just the starting point.

Many of those that are making these insane power levels are also still rowing their own gears. If you’re rowing those gears, and you’re not driving what would be considered a full-on race car, then you’re probably running something heavy duty in the clutch department.

 

We regularly receive phone calls on the tech line regarding Mustangs with cable linkage and release issues with these cars. We found this article online that we think will help our customers properly reset their linkage for maximum release.