Drag Racing Discussions > Front Engine Dragsters
Trans to Rear Coupler Play
Curly1:
Thanks for that information I will be building a front engine dragster by end of year.
Draw 3D:
Just a little note from my experience; I used to run 1/8-3/16 gap but my rear seal kept leaking out fluid and the rear bushing would show signs of burnishing and wear. Increased the gap to 1/4-5/16 and since then no runs, no hits and no errors.
dusterdave173:
I am a novice and when I built my car from scratch that coupler worried me more than any part of the build--I wound up with about 3/16ths plus It takes a pair of channel locks to slide it fore and aft--it ain't sloppy laser perfect lined up but...after engine trans in and out and after many runs it looks great with no odd wear or marking at all it works beautiful I am sure it could be a little better done but it has to be about as good as any and it looks to be happy--I say who knows what it is doing with some Torque on it
Now I worry about what is really important The Groove!
JrFuel Hayden:
Our coupler/driveshaft slides in/out by hand, no tools needed, it could be you need to adjust/ make different motor mounts. Just try putting a jack under the front of motor until the coupler slids easy, then you'll see what needs to be modifyed with your front mounts.
Cheers,
Jon
dreracecar:
--- Quote from: dusterdave173 on March 22, 2017, 04:09:17 AM ---I am a novice and when I built my car from scratch that coupler worried me more than any part of the build--I wound up with about 3/16ths plus It takes a pair of channel locks to slide it fore and aft--it ain't sloppy laser perfect lined up but...after engine trans in and out and after many runs it looks great with no odd wear or marking at all it works beautiful I am sure it could be a little better done but it has to be about as good as any and it looks to be happy--I say who knows what it is doing with some Torque on it
Now I worry about what is really important The Groove!
--- End quote ---
Is that a "WORM" chassis??
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