FD Diff Housing with pinion and crown gear

Started by Prof, May 09, 2013, 07:54:27 AM

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Prof

May 09, 2013, 07:54:27 AM
I have an FD diff casing, with all the goodies except the Torsen and bearings - it\'s too heavy to post, so anyone who wants a spare case or has another diffential gear lump that needs a home, I can let you have this for a song (£20)
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

HaywardRotary

#1
May 09, 2013, 09:08:39 AM
Do you know the ratio?
If its a 3.9 or 4.1?
We warranty our rebuilt engines for Detonation, track day\'s and RWYB and NOW for 30 months which is two and half years or 30,000 miles
We also build all types of race or road engines.
We build race and track cars too.
Any kind of porting undertaken.
Single turbo conversions.
S

Prof

#2
May 09, 2013, 09:34:25 AM
Is there an easy way to tell Carl ?
 
If it\'s any help, it was Aceman\'s old Diff before he Steve replaced it on the major upgrade.
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

JohnC

#3
May 12, 2013, 04:55:17 PM
Quote from: Prof;857423Is there an easy way to tell Carl ?
 
If it\'s any help, it was Aceman\'s old Diff before he Steve replaced it on the major upgrade.

Count up the teeth on each gear and divide the bigger number by the smaller

Prof

#4
May 13, 2013, 07:44:36 AM
Quote from: JohnC;857624Count up the teeth on each gear and divide the bigger number by the smaller

Yes, that\'s one way - but I wondered if the crown gear had some number or mark stamped on it - I\'ve put the back cover back on the diff, so without taking it off to count teeth on the pinion, I just wondered if it was marked anywhere.
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

philiwily

#5
May 13, 2013, 03:14:46 PM
Hi dave

How\'s life treating you?
Its stamped on the crown wheel, the prop flange is different as well but that could have been changed.

Phil

bin liner

#6
May 13, 2013, 07:14:30 PM
suppose  you could turn the prop side  (FLANGE) and count the number of rotations for one  full wheel turn cycle.  3.9 turns or 4.1 full turns per full wheel cycle indicates the type of diff...think ive got that the right way round...
Definately want it mate but the dog has just died so will be getting the missus a new dog for christmas....
Sounds like a good deal but will have to ask the dragon first.....  :flamed  :spank

Prof

#7
May 13, 2013, 08:15:20 PM
Quote from: philiwily;857684Hi dave

How\'s life treating you?
Its stamped on the crown wheel, the prop flange is different as well but that could have been changed.

Phil

Not too bad thanks Phil :-)  See - I knew someone would be along with an easy answer :)
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

Prof

#8
May 13, 2013, 08:18:16 PM
Quote from: bin liner;857706suppose  you could turn the prop side  (FLANGE) and count the number of rotations for one  full wheel turn cycle.  3.9 turns or 4.1 full turns per full wheel cycle indicates the type of diff...think ive got that the right way round...

I could, but since I\'ve taken the Torsen out, and it doesn\'t have drive shafts with it, and I\'ve unbolted the crown from the Torsen, that options is out.  Also, the diff housing has the back plate bolted back on, which means I can\'t easily count the pinion gear teeth.

Off to the garage to look for stamped numbers...
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

bin liner

#9
May 13, 2013, 08:23:13 PM
Quote from: Prof;857709I could, but since I\'ve taken the Torsen out, and it doesn\'t have drive shafts with it, and I\'ve unbolted the crown from the Torsen, that options is out.  Also, the diff housing has the back plate bolted back on, which means I can\'t easily count the pinion gear teeth.

Off to the garage to look for stamped numbers...

lol...didnt read that bit....its probably a 4.1 and im guessing carl is after a 3.9...you might get lucky though :Thumbsup!
Definately want it mate but the dog has just died so will be getting the missus a new dog for christmas....
Sounds like a good deal but will have to ask the dragon first.....  :flamed  :spank

Prof

#10
May 13, 2013, 08:51:20 PM
Ok, crown / ring gear is stamped P061, so it\'s a 4.10 diff  ratio from a 93-95 car.

Just to remind everyone, it\'s the diff case, pinion gear and ring gear that I\'m selling, as I\'ll just be swapping the differential itself into the FC diff.  So the diff being offered is INCOMPLETE, you\'ll need to provide the Torsen or other diff unit to bolt back onto the crown / ring gear...
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

bin liner

#11
May 13, 2013, 09:01:29 PM
the one coming out of your fc, is it a turbo 2 plated diff?
Definately want it mate but the dog has just died so will be getting the missus a new dog for christmas....
Sounds like a good deal but will have to ask the dragon first.....  :flamed  :spank

Prof

#12
May 13, 2013, 10:46:57 PM
Quote from: bin liner;857719the one coming out of your fc, is it a turbo 2 plated diff?

I think it will be either an open diff or a warn out viscous LSD, really not too sure as the rear wheels sometimes behaved a little odd when rotated with the car up on axle stands.
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

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