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Title: Diff Housings Post by: Burnsy on June 17, 2004, 10:51:34 AM Is a HR diff housing different to a EH/EJ one and are the backing plates the same on them?
I need to know how I can tell what the housing on a wrecked EJ is, the backing plates look the same as HR ones (they have the lumps front and rear where the handbrake cable comes from). If it is an EJ and not a HR, can I fit 9/16 HR wheel cylinders to it or are the brakes comletely different. Title: Re: Diff Housings Post by: mcl1959 on June 20, 2004, 03:32:42 AM The easiest way to tell the difference is the HR does not have a square pattern where the backing plate is bolted to the diff.
HR top bolts are wider at the top than the early ones. Ken Title: Re: Diff Housings Post by: Dr_Terry on June 20, 2004, 04:46:23 AM Hi Guys
Just to clarify that, FE to FB have a square bolt patterned rear axle bearing retainer plate & EJ to HR have the pattern where the two top bolts are further apart than the lower two. When converting to front disc brakes it's alway better to change the rear end to the EJ to HR type & then you have the later duo-servo type brakes & can fit the 9/16" wheels cylinders & matching shoes. There are minor differences between the EJ/EH rear end & the HD/HR item. The main ones are in the leaf spring mounting & the use of self-adjusters on HD/HR. Regards. Dr Terry. Title: Re: Diff Housings Post by: Burnsy on June 21, 2004, 07:16:46 AM Are HR drums self adjusting?
What needs to be done to chage a HR drum brake front end rear end (confusing eh?) to suit disk brakes? Is it just a matter of changing to 9/16 wheel cyinders? Title: Re: Diff Housings Post by: Dr_Terry on June 21, 2004, 08:57:23 AM Hi Burnsy
You have to change the brake shoes also. The shoes are different in that they don't have the small cut-outs where the larger cylinder's push rods fit into. The 9/16" cylinders have button type pistons, which push directly against the shoes. Regards. Dr Terry. Title: Re: Diff Housings Post by: COL58FE on June 21, 2004, 09:32:39 AM burnsy, i can get a fb less motor pink in colour sedan rusty floor but excellent chrome all over if don't want the car tell me what ya need and grab it you or anyone else that need's fb bit's.COL58FE.0402639727.GOING TO THIS SECRET PLACE AGAIN THIS SATURDAY SO TELL ME SOON O.K. ;)sorry about the fb thread fella's but i'm sure it may help someone. ;)
Title: Re: Diff Housings Post by: Burnsy on June 21, 2004, 11:50:53 AM Thanks for the offer Col. I am not chasing anything in particular at the moment - mainly due to my returning to uni and the associated income of bugger all. Current mods being done are out of need as my car is my daily driver.
Would take you up on the offer if you were over in the west! Thanks, Burnsy Title: Re: Diff Housings Post by: Burnsy on June 22, 2004, 08:32:41 AM Got my HR diff and brakes, now just to rebuild them!
Can anyone tell me which way to go with the rear handbrake cable, do I use the HR one as is on my original mounting points or do I need to change cable sheaths or anything? |