12 bolt Posi-trac diff.Originally Posted by Rico
12 bolt Posi-trac diff.
As Blocker says. These were optional on HK GTS327 and HT GTS350 manual. Big, tough diff, equal to or tougher than a 9". Standard fare on Camaro Z28 or 396/427. Also found in Australia in Impalas and Parisiennes. South African HQ's with 350 SBC engines had them too. A 1967-1969 Camaro 10 or 12 bolt is the exact same width as a HK-HG diff and already has 4.75" PCD stud pattern (HQ-WB). The only difference is the Camaro has the spring perches in a slightly different spot. You can buy a new one of these from Moser complete with Camaro drums or bare or whatever with positraction centre, detroit locker, tru-track, air locker or whatever you like for under $2000 US. You'll probably find a 1970's Camaro or Firebird diff is the same width as HQ.
for anyone that may be confused by the matching tag to chassis comments..
more explanations here...http://www.mysandman.com.au/forums/s...ead.php?t=2240
Last edited by ozbox; 15-09-2011 at 03:37 PM.
hk need to clean out your PMs
Done
cheers
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