XY Diff into XB Falcon Options

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wimjack		#1 Posted : Friday, 8 July 2005 6:51:46 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 4/07/2005(UTC) Posts: 71		Does an XY 9inch Diff bolt straight in to an XB Falcon,or does it need to be modified? jack
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dave351cid		#2 Posted : Friday, 8 July 2005 6:58:10 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 5/06/2005(UTC) Posts: 34		the XY diff will be to short for th XB think its an inch and a half or there abouts. the XB has a wider body and so the springs are spaced further apart why not look for a 9 inch diff out of a XC 351 or 351 Fairlane - LTD as these will fit straight in an
		old B`s go hard . new B`s have air.
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dave351cid		#3 Posted : Friday, 8 July 2005 7:01:22 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 5/06/2005(UTC) Posts: 34		jack while we are on the subject , you can often pick up an old fairlane for next to nothing and they are full of good parts dave old B`s go hard . new B`s have air.
		old B`s go hard . new B`s have air.
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Munromad2004		#4 Posted : Friday, 8 July 2005 6:34:31 PM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 24/04/2005(UTC) Posts: 718		Dave351cid is correct. The XY diff is shorter by around 1.5 inches. Take a look for an old ZF or ZG Fairlane (or obviously an XA or XB Falcon). These diffs will bolt straight in. An XC Falcon or ZH Fairlane will also bolt in but there is a differenc
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Jim5.0		#5 Posted : Friday, 8 July 2005 9:38:36 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 2/03/2005(UTC) Posts: 2,898 Was thanked: 2 time(s) in 2 post(s)		quote: Originally posted by dave351cid the XB has a wider body and so the springs are spaced further apart
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Guest		#6 Posted : Saturday, 9 July 2005 12:10:34 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Thanks for the advice. I want to fit a set of 15x12 rims with 305 TAs to my coupe and thought it would be easier fitting an xy diff instead of getting mine shortened.Im currently running 15x10 rims with 295 TAs and noticed there is plenty of room between

Paul351xb		#7 Posted : Saturday, 9 July 2005 5:01:02 AM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 5/06/2005(UTC) Posts: 1,479 Thanks: 1 times		The XY diff should be fine for what you are wanting. Just make sure you have the offset of the wheels spot on so that you don't get any fouling. Paul.
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dave351cid		#8 Posted : Monday, 11 July 2005 7:10:11 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 5/06/2005(UTC) Posts: 34		ok Jim5.0 i stand to be corrected i did think that the springs were further apart on the later models but i could be wrong, wouldnt be the first time . a quick stretch of the tape measure across the mounts will soon tell you. dave old B`s go har
		old B`s go hard . new B`s have air.
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Jim5.0		#9 Posted : Monday, 11 July 2005 11:58:26 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 2/03/2005(UTC) Posts: 2,898 Was thanked: 2 time(s) in 2 post(s)		Yes I thought that the spring saddles were different too but my brother said that they are not after he fitted XC disc brake 9 inch diffs to both of his XW's.
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wimjack		#10 Posted : Wednesday, 13 July 2005 6:23:31 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 4/07/2005(UTC) Posts: 71		Thanks Guys I think that will be the best way to go.Now for the hard part,Trying to find an XY 9in Diff. jack
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Guest		#11 Posted : Monday, 25 July 2005 8:19:30 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		quote: Originally posted by wimjack Does an XY 9inch Diff bolt straight in to an XB Falcon,or does it need to be modified?

gaasman		#12 Posted : Tuesday, 26 July 2005 4:21:16 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 22/07/2005(UTC) Posts: 30		Hi Wimjack. I can help you with an XY 9". Has been converted to XD disc brakes, has new rotors, pads and axle bearings. $1100 (less centre) and it's yours. I can help you out with a centre as well as a choice of ratios too. Mick
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Guest		#13 Posted : Wednesday, 3 August 2005 7:47:36 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Theres a cat in the gold coast selling XY 9" diffs for $1000 bucks a throw he has one on e-bay now he also advertises in Parts Peddler.His number is 0407962089 they are out of Torinos actually but the same as XY 9" (he says). Stirling Performance (07)3274

Guest		#14 Posted : Wednesday, 17 August 2005 1:28:50 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		HI, I MIGHT BE A BIT LATE AS I HAVE JUST FOUND OUT ABOUT THIS SITE TODAY (i know i know where the hell have i been) BUT IF IT HELPS IT HELPS, I HAVE AN XB COUPE MYSELF, I BOUGHT A ZG FAIRLANE WITH A MILD 351C, C4, AND 9 INCH UNDER IT. I WASN'T SURE IF IT

Guest		#15 Posted : Friday, 21 October 2005 8:09:07 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		I HAVE AN XA SEDAN WITH A SHORTEND 9INCH IT IT IS 1.5 INCHES SHORTER THAN A XY DIFF AND HAVE 295 TA"S UNDER IT

Guest		#16 Posted : Friday, 21 October 2005 8:12:45 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		I HAVE A XA GT RPO WITH A SHORTEN 9ICH IT IS 1.5 INCHES SHORTER THAN A XY DIFF AND I HAVE 295 TA"S UNDER IT

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