Drag Racing Discussions > Front Engine Dragsters

transmission mount

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hemidakota:
Is it bad to have tailshaft of trans solid mounted to frame on a fed? I have read all about no mount to must have some cushion in the mount. The FED I help out with has never had mount bolts in it, just sits on cross member. Last time out it wiped out the tail shaft bushing. If mount is bolted up everything lines up perfect and coupler slides back and forth smoothly. Would it be a bad idea to bolt it down? I have pics and will down size them and up load them soon.

dreracecar:
My only expierience is with High HP cars,  The engine moves around a bunch at launch even though it tied in very well. High possability of cracking the trans case if one bolts the tail housing to the chassie. 20 years of not running a rear mount and just letting it hang off the back of the engine.

hemidakota:
Do you use a shorty glide or a regular glide? Sorry just trying to learn. Bushing or Needle bearing in output? Wiped out a nice Teflon coated bushing in 8 runs is why I ask, with no mount bolts.

gregm784:
Some info, may or may not apply.

I ran a 8 second mild steel chassis Nova, and never had a rear trans mount.  It hung off the rear of the motor (motor plates) only.  Full length glide. Stock case.

Ran a late model circle track car, no trans mount, hung off the back of the motor only (motor plates).  Full length glide. Stock case.

My 7 second dragster has a shorty glide, never had a trans mount.  Dedenbear case and JW case

Let it move.  no mount needed. 

PSweeney:
I ran a mount in my previous altered.  Reid case and stock tail.  I put over 200 runs on it with no problems.  With my digger I won't be running one as it's a shorty box and as pointed out on here by Bruce and others it's a pain to mount off the governor or pan rails

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