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DOES ANYONE KNOW WHAT THIS SIERRA DIFF IS?
tomblyth - 30/9/09 at 09:32 PM

TAB ON DIFF SAYS?

83 bg4006kc 4 314 6j26,

HAVE READ SOME THEADS ON HERE BUT STILL IN HE DARK ! COULD ANYONE HELP!

BenB - 30/9/09 at 09:32 PM

Isn't it a 3.14 diff???

ReMan - 30/9/09 at 09:37 PM

It's useless.
I'll take it off your hands fo £50

Ben_Copeland - 30/9/09 at 09:43 PM

looks like a 3.14...

Dingz - 30/9/09 at 09:45 PM

No wonder you are shouting!

coozer - 30/9/09 at 09:49 PM

Hi Tom, I'll swap you for a 3.62 if thats what your after...

Steve

tomblyth - 30/9/09 at 09:54 PM

so its is a 3.14 (good) whats the rest of the numbers mean?

Ben_Copeland - 30/9/09 at 10:00 PM

Does it matter lol

You have the best bit lol

Ben_Copeland - 30/9/09 at 10:02 PM

http://www.locostbuilders.co.uk/viewthread.php?tid=85080

Might give you some info

omega0684 - 30/9/09 at 10:27 PM

not an LSD though

flak monkey - 1/10/09 at 06:46 AM

quote:
Originally posted by omega0684
not an LSD though


They didnt make them in lsd. The only std LSD's were 3.62 and 3.92 in the cossies

But yes defo 3.14

Gergely - 1/10/09 at 07:12 AM

83 BG is the prefix of all diffs in the 82 to approx. 87 model years. 4006 is the same on all seierra diffs, KC is the important bit, only the 3.14 push-in type diffs had this code, and 314 is obviously the ratio. The rest is serial No.

Double check the ratio by counting the number of propshaft rotations required for one full driveshaft rotation. If it is 3 rotations + 50 degrees (less than a quarter of a rotation), and the diff is not welded, you can make some money... or use it in your BEC... :-)
Gergely

fesycresy - 1/10/09 at 08:00 AM

Take the back off and in white pen writing you'll see the magic numbers.

I bought a 3.14 but wouldn't hand over the cash until I took the back off.

3.14 tags are worth a few quid

mangogrooveworkshop - 1/10/09 at 10:56 AM

314 swop you for a lsd........much better in the car.....lol