Selected: Slot Drive - 286 Rally
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$497.95
Kent Fast Road Camshaft Slot Drive Only
Hottest road usable cam. Not a good traffic cam. Lumpy idle. Not very suitable for small bore units unless fully prepared with big valve head. Very strong mid and top end power. Rev range 2,000 - 7,500 rpm. When used in Sprites, Midgets, and Morris Minors a slot drive oil pump is required.
Question:
I bought a Spridget race car. The documentation says this is a fairly wild cam built for 5000-9000 rpms. Cam has an end stamp that says 4D 73. I'm thinking it may be a good idea to take a step down to something a bit less radical until I can get to know the car and learn how to drive it.
The car was built for SCCA racing, but I want to do track days, and eventually race it vintage.
What do you recommend?
Answer:
While I am not familiar with the designation on your cam if you are right about the 5 to 9K rpm band I can agree with your concerns. Bearing in mind that a camshaft is only one part of the system that generates power. Typically a cam has to be complemented with the correct jetting, exhaust system, etc. I would think a good starting point would be a camshaft such as the Kent Cam MD286. This cam will perform well from 2K to 7.5K. If your motor was designed for a 9K cam it could be made to work very well. Both ignition and fuel ration will probably need tweaking and the absolute best option is to find a local Dyno shop that will let you dial in the best of it all.
For more info about the cam click here: https://www.minimania.com/part/MD286/Megadyne-286-Rally-Camshaft-Slot-Drive-Only
For more info about the cam click here: https://www.minimania.com/part/MD286/Megadyne-286-Rally-Camshaft-Slot-Drive-Only
Spridget Mania Tech Team
The Spridget Parts and Accessories Experts
Hottest road usable cam. Not a good traffic cam. Lumpy idle. Not very suitable for small bore units unless fully prepared with big valve head. Very strong mid and top end power. Rev range 2,000 - 7,500 rpm. When used in Sprites, Midgets, and Morris Minors a slot drive oil pump is required.
Question:
I bought a Spridget race car. The documentation says this is a fairly wild cam built for 5000-9000 rpms. Cam has an end stamp that says 4D 73. I'm thinking it may be a good idea to take a step down to something a bit less radical until I can get to know the car and learn how to drive it.
The car was built for SCCA racing, but I want to do track days, and eventually race it vintage.
What do you recommend?
Answer:
While I am not familiar with the designation on your cam if you are right about the 5 to 9K rpm band I can agree with your concerns. Bearing in mind that a camshaft is only one part of the system that generates power. Typically a cam has to be complemented with the correct jetting, exhaust system, etc. I would think a good starting point would be a camshaft such as the Kent Cam MD286. This cam will perform well from 2K to 7.5K. If your motor was designed for a 9K cam it could be made to work very well. Both ignition and fuel ration will probably need tweaking and the absolute best option is to find a local Dyno shop that will let you dial in the best of it all.
For more info about the cam click here: https://www.minimania.com/part/MD286/Megadyne-286-Rally-Camshaft-Slot-Drive-Only
For more info about the cam click here: https://www.minimania.com/part/MD286/Megadyne-286-Rally-Camshaft-Slot-Drive-Only
Spridget Mania Tech Team
The Spridget Parts and Accessories Experts
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