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 Post subject: Re: my new project 1975' rx4
PostPosted: Wed Dec 07, 2011 1:21 pm 

Joined: Fri Sep 24, 2010 12:34 pm
Posts: 148
Location: belgium
i have a question;
is possible to put the rear brake disk from rx7fb on rx4?
thanks

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 Post subject: Re: my new project 1975' rx4
PostPosted: Wed Dec 07, 2011 9:09 pm 

Joined: Thu Oct 01, 2009 8:00 pm
Posts: 19
Location: Australia
Swapping for the RX-5/Cosmo brakes is easier.

A mate of mine wrote this out a while back.

At the rear, there are a few ways you could go. The RX-5 bits DO bolt straight into the RX-4 housing, but there's a difference in the bearing retainers which means that an RX-5 axle in a RX-4 diff can move in and out by about 10mm... obviously, this is not good...
Solutions:
1. Whole diff swap. Cut mounts off both diffs, then weld RX-4 brackets onto RX-5 diff.
2. Machine up a spacer to fit into the end of the RX-4 axle tube.
3. Get the bearings pressed off the RX-5 axle, remove the retainer plate and replace with RX-4 item. Press new bearings on.

The remaining options get too confusing to explain here (read the linked diff thread), but suffice to say that in Tweety's RX-4, we'll be putting a whole 121 diff in. But if we were staying with the 3.9s, I'd definitely be in favour of option #3.

Which-ever way you go, you need an extra bracket on the body, for the handbrake cable. Ideally, you'd cut one off a RX-5 or 121 bodyshell and weld it on, but it's a simple bracket that would be easy to make and can be bolted on without drama (it bolts on under the rear seat, so no-one will be able to see the welds/bolts from the top).
It may be possible to re-jig the RX-4 handbrake cables to work on the RX-5 brakes, but I suspect that it'd cost you more at the cable-maker than fitting the bracket... but it would have the advantage of looking totally stock.


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 Post subject: Re: my new project 1975' rx4
PostPosted: Thu Dec 08, 2011 4:56 am 

Joined: Fri Sep 24, 2010 12:34 pm
Posts: 148
Location: belgium
Dazz wrote:
Swapping for the RX-5/Cosmo brakes is easier.

A mate of mine wrote this out a while back.

At the rear, there are a few ways you could go. The RX-5 bits DO bolt straight into the RX-4 housing, but there's a difference in the bearing retainers which means that an RX-5 axle in a RX-4 diff can move in and out by about 10mm... obviously, this is not good...
Solutions:
1. Whole diff swap. Cut mounts off both diffs, then weld RX-4 brackets onto RX-5 diff.
2. Machine up a spacer to fit into the end of the RX-4 axle tube.
3. Get the bearings pressed off the RX-5 axle, remove the retainer plate and replace with RX-4 item. Press new bearings on.

The remaining options get too confusing to explain here (read the linked diff thread), but suffice to say that in Tweety's RX-4, we'll be putting a whole 121 diff in. But if we were staying with the 3.9s, I'd definitely be in favour of option #3.

Which-ever way you go, you need an extra bracket on the body, for the handbrake cable. Ideally, you'd cut one off a RX-5 or 121 bodyshell and weld it on, but it's a simple bracket that would be easy to make and can be bolted on without drama (it bolts on under the rear seat, so no-one will be able to see the welds/bolts from the top).
It may be possible to re-jig the RX-4 handbrake cables to work on the RX-5 brakes, but I suspect that it'd cost you more at the cable-maker than fitting the bracket... but it would have the advantage of looking totally stock.

thanks you, but is very rare a rx5 here :?

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 Post subject: Re: my new project 1975' rx4
PostPosted: Mon Dec 12, 2011 1:09 pm 

Joined: Fri Sep 24, 2010 12:34 pm
Posts: 148
Location: belgium
just a clean up to see the bad old paint job ,

and a lettle test drive on the road: i have a brake locked,my rear tyres is deforme
but the engine is very good condition!run perfect (is a new :tu: )

Image



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 Post subject: Re: my new project 1975' rx4
PostPosted: Tue Dec 13, 2011 1:23 pm 

Joined: Fri Sep 24, 2010 12:34 pm
Posts: 148
Location: belgium
clean up!
Image

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Image

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Image

before
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after
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 Post subject: Re: my new project 1975' rx4
PostPosted: Mon Dec 26, 2011 2:36 pm 

Joined: Fri Sep 24, 2010 12:34 pm
Posts: 148
Location: belgium
hello, i have a question :

exist the fenders flares for rx4?

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 Post subject: Re: my new project 1975' rx4
PostPosted: Mon Dec 26, 2011 7:59 pm 
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Joined: Mon Mar 15, 2010 4:37 am
Posts: 164
Location: Ballarat
Already starting to look much, much better! :tu: :D


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 Post subject: Re: my new project 1975' rx4
PostPosted: Mon Dec 26, 2011 9:26 pm 

Joined: Wed Feb 17, 2010 9:30 am
Posts: 100
Location: San Antonio Texas
The FB Rx7 rear ends are nearly the same width as the Rx4 ones, because the FB rear end is a 4 link and the Rx4 is a leaf spring the rears don't swap in well. It can be done, what you will have to do is take both rear ends to a fab shop and have mounts swapped to the FB rear end

if you aren't going to use them I would be interested in the Cibie Fog lamps they would work well on one of my race car restos

Also I love the prototipio steering wheel although they are rare to see


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 Post subject: Re: my new project 1975' rx4
PostPosted: Tue Dec 27, 2011 4:07 pm 

Joined: Fri Sep 24, 2010 12:34 pm
Posts: 148
Location: belgium
Rotarydave wrote:
The FB Rx7 rear ends are nearly the same width as the Rx4 ones, because the FB rear end is a 4 link and the Rx4 is a leaf spring the rears don't swap in well. It can be done, what you will have to do is take both rear ends to a fab shop and have mounts swapped to the FB rear end

if you aren't going to use them I would be interested in the Cibie Fog lamps they would work well on one of my race car restos

Also I love the prototipio steering wheel although they are rare to see

thanks you
give me a offert for the Cibie ;)

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 Post subject: Re: my new project 1975' rx4
PostPosted: Mon Jan 09, 2012 2:10 pm 

Joined: Fri Sep 24, 2010 12:34 pm
Posts: 148
Location: belgium
with the kp30 rotary of my brother

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 Post subject: Re: my new project 1975' rx4
PostPosted: Mon Jan 09, 2012 4:24 pm 

Joined: Wed Feb 17, 2010 9:30 am
Posts: 100
Location: San Antonio Texas
Nice, I love the picture.


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 Post subject: Re: my new project 1975' rx4
PostPosted: Mon Jan 09, 2012 5:46 pm 

Joined: Tue Dec 28, 2010 12:21 pm
Posts: 57
Location: Winnipeg, MB, Canada
Why did you get rid of the spoiler? I know it was ugly, but your car could have been a 6 seater if you left it.
That car could literally fly if you turned it upside down.

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 Post subject: Re: my new project 1975' rx4
PostPosted: Tue Jan 10, 2012 3:21 am 

Joined: Fri Sep 24, 2010 12:34 pm
Posts: 148
Location: belgium
valdez wrote:
Why did you get rid of the spoiler? I know it was ugly, but your car could have been a 6 seater if you left it.
That car could literally fly if you turned it upside down.


:lol:

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 Post subject: Re: my new project 1975' rx4
PostPosted: Mon Jan 30, 2012 10:01 am 

Joined: Sun Jul 03, 2011 3:51 pm
Posts: 24
Location: France
Hi jfk,

J'ai lu que tu vends déjà ta RX-4 !!!
Je te l'aurais bien prise mais trop cher pour moi !
Bonne vente !


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 Post subject: Re: my new project 1975' rx4
PostPosted: Tue Jan 31, 2012 12:32 am 

Joined: Sun Apr 04, 2010 5:47 am
Posts: 24
Location: belgium
Keep it in english please

So you're already selling this? How come?


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 Post subject: Re: my new project 1975' rx4
PostPosted: Tue Jan 31, 2012 7:50 am 
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Joined: Sun Dec 27, 2009 8:03 pm
Posts: 323
Location: Tucsan AZ / Davis-Monthan AFB / St.Croix Virgin Islands
So did this car come from California I saw the old school license plate?

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 Post subject: Re: my new project 1975' rx4
PostPosted: Tue Feb 28, 2012 1:24 pm 

Joined: Sun Aug 07, 2011 12:03 am
Posts: 51
Location: san jose
beuatiful specially without the spoiler. props to you bro :tu:


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 Post subject: Re: my new project 1975' rx4
PostPosted: Tue Feb 28, 2012 2:18 pm 
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Joined: Sat Mar 24, 2007 8:45 pm
Posts: 2565
guys jfk sold this car
viewtopic.php?f=25&t=17369
so let the new owner start a new thread .. or not


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