Drag Racing Discussions > Front Engine Dragsters

Rear Diff, Posi/open/spool?

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Racing6:
Which Carrier is best to run? Car is 184'' FED Carberated Small Block with Powerglide. Have heard a lot of different opinions can you give me more and maybe a reason 

AF150:
Run a spool. You are not going around corners or smoking the tires to launch so no need for
diff or posi.

masracingtd1167:
Please put a spool in it . Back in the day we ran open rears and they are dangerous ! Broken spider gears and the pins that go through them are what will hurt you if you break a rear . I have seen a few guy's put them in there cars and it really scares me . Use a spool and don't put too big of a tire on it . An FED need's a lot of wheel speed to go fast . Be safe and have fun.   

George:
Spool.

Racing6:
When we got our Slingshot it has an open rear diff, and I don't like the way it leaves, But thought there must be a reason

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