Drag Racing Discussions > Front Engine Dragsters

Front End Caster on a FED

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codysisson:
I have been trying to find out what a good starting point for caster angle for a 180" FED. SBC, injected alcohol, Projected mid 8's 155 MPH.
I was told that a good rule of thumb was, 1degree of caster per 10 MPH of top end speed and I just wanted to back up that information. I have seen so many front ends at wide varying degrees of caster and cannot seem to find a consistent consensus.

I plan to dyno the engine next week, the roller is all done so I should be running mid to late September.

fuel749:
Your bound to get a bunch of different replies, but I can tell you that I run 12-14 degrees in every car I build with Anglia style spindles. No matter how fast they think they're going to go, thats what I put in them. There's usually enough adjustment to get a few more degrees to compensate for taller tires or tires that grow more on a run, but from the slowest cars I've built (100 mph) to the fastest (220 mph) I start them all the same. If NED is your home track and you're into nostalgia racing you've probably seen some of my cars run.

masracingtd1167:

--- Quote from: fuel749 on August 15, 2014, 11:22:36 AM ---Your bound to get a bunch of different replies, but I can tell you that I run 12-14 degrees in every car I build with Anglia style spindles. No matter how fast they think they're going to go, thats what I put in them. There's usually enough adjustment to get a few more degrees to compensate for taller tires or tires that grow more on a run, but from the slowest cars I've built (100 mph) to the fastest (220 mph) I start them all the same. If NED is your home track and you're into nostalgia racing you've probably seen some of my cars run.

--- End quote ---
  Did you build Sam Dagir's car ?

H.G. Wells:
I run 13 degrees. 

fuel749:

[/quote]  Did you build Sam Dagir's car ?
[/quote]
 
Yes I did, in 2003.

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