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Brakes on the Toyota 8" axle: my nemesis.

Posted by Gravity Fed 
Gravity Fed
Alex Staidle
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1978 Mazda Rx7



Re: Brakes on the Toyota 8" axle: my nemesis.
June 16, 2016 11:31PM
I think i understood you about 60%



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Eric Ewert
Eric Ewert
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Location: Calgary, Ab
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volvo 240


Re: Brakes on the Toyota 8" axle: my nemesis.
June 17, 2016 12:07AM
Quote
john vanlandingham
Quote
Eric Ewert
Quote
Gravity Fed
Is the hole on the bottom in the 240 caliper typical? See above photo

As far as I know yes. I made 240 calipers work on my car. The hole/brake line clearance is a little snug but it works without issue. I am using volvo 240 rear rotors so if you are using something of smaller diameter then yes it may pose a clearance issue.

If you want I can send you pics of my bracket setup if your willing to wait a few days.

A FEW DAYS!!!! holy mother of christ on a cross we need it now!!!!! Just snap a shot with your phone and click it thru here. HI REZ!
And answer the phone!

Uhhhhhh... i tell ya sometimes! eye rolling smiley

gimme a sec ill snap a photo. Got your message, how urgent is this? I am dealing with school rubbish at the moment so time is very limited. I will return your call sunday or monday.
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Eric Ewert
Eric Ewert
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Location: Calgary, Ab
Join Date: 05/13/2013
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Rally Car:
volvo 240


Re: Brakes on the Toyota 8" axle: my nemesis.
June 17, 2016 12:21AM
Here ya go. I designed the bracket as a two piece deal so that if down the road you decide to put a different caliper on it you hopefully don't need to redo the whole thing. Also the two parts of the bracket are currently being held together with m8 bolts. They are holding but i have been meaning to get something bigger in there... or just weld it.

The alignment needs a little work but its not bad. Im using standard volvo 240 rear rotors.
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john vanlandingham
John Vanlandingham
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Re: Brakes on the Toyota 8" axle: my nemesis.
June 17, 2016 01:07AM
Quote
Eric Ewert
Here ya go. I designed the bracket as a two piece deal so that if down the road you decide to put a different caliper on it you hopefully don't need to redo the whole thing. Also the two parts of the bracket are currently being held together with m8 bolts. They are holding but i have been meaning to get something bigger in there... or just weld it.

The alignment needs a little work but its not bad. Im using standard volvo 240 rear rotors.

Beautiful. Simple. Lots of clearance caliper to wheel...something some geniuses think is unimportant...



John Vanlandingham
Sleezattle, WA, USA

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Gravity Fed
Alex Staidle
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1978 Mazda Rx7



Re: Brakes on the Toyota 8" axle: my nemesis.
June 17, 2016 10:20AM
I really should have used a non abs axle....



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Eric Ewert
Eric Ewert
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Re: Brakes on the Toyota 8" axle: my nemesis.
June 17, 2016 10:34AM
Is the diameter of the axle tube way fatter near the brake mounting area cause of the abs ring? It doesn't look that way from the pics you posted but kinda hard to tell.
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john vanlandingham
John Vanlandingham
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Re: Brakes on the Toyota 8" axle: my nemesis.
June 17, 2016 11:19AM
Quote
Eric Ewert
Is the diameter of the axle tube way fatter near the brake mounting area cause of the abs ring? It doesn't look that way from the pics you posted but kinda hard to tell.

Yeah this mystery lump! I haven't a clue what it is...and i hain't driving out to some junkyard to see it.. he should just lift the phone click clink click and post it here.

All the cool kids can.



John Vanlandingham
Sleezattle, WA, USA

Vive le Prole-le-ralliat

www.rallyrace.net/jvab
CALL +1 206 431-9696
Remember! Pacific Standard Time
is 3 hours behind Eastern Standard Time.
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Eric Ewert
Eric Ewert
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Location: Calgary, Ab
Join Date: 05/13/2013
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volvo 240


Re: Brakes on the Toyota 8" axle: my nemesis.
June 18, 2016 09:39PM
Pfffffft I use an actual camera, I could almost fool someone into thinking i'm an adult!
That being said almost is a very loose term...
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alkun
Albert Kun
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Re: Brakes on the Toyota 8" axle: my nemesis.
July 04, 2016 03:31PM
Quote
Gravity Fed
So here is what I have. Toyota 4runner axle. An 8" and as I now regret, ABS equipped one. Machined the axles to fit a saab 900 rotor in 4x4.5.





I find this picture terrifying. Those may be giant strong studs, but there is only like an 1/8th of an inch of material around them on that axle, and the old stud holes with the little grooves around the edge are pretty much perfectly pre-made crack-starters. There is WAY more meat holding the wheels on a bicycle.

Don't want to be a buzz-kill, just had to say it.
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Pete
Pete Remner
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Re: Brakes on the Toyota 8" axle: my nemesis.
July 04, 2016 07:13PM
Have you seen what 4x108 VWAG hubs look like?

The old stud holes are a little concerning, but VWMS hubs were severely scalloped, so probably not so much a big deal.

It's probably still stronger than the wheel that attaches to it.



Pete Remner
Cleveland, Ohio

1984 RX-7 (rallycross thing)
1978
Silence is golden, but duct tape is silver.
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Gravity Fed
Alex Staidle
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Location: Δx = ħ/2Δp
Join Date: 08/21/2009
Posts: 1,676

Rally Car:
1978 Mazda Rx7



Re: Brakes on the Toyota 8" axle: my nemesis.
August 13, 2016 04:57PM
so here is how this panned out for me. Slightly modified and rearranged disc brake mounts for the front calipers of a toyota pickup circa 1984. rotor hat modified to fit my axle I already had machined to a Saab rotor (thanks JVL!), and a 300mm non-vented rotor for said hat!












Respecognize!
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First Rally: 2010 First RallyX: 2004 (a bunch)
Driver (0), Co-Driver (5)
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Cars Built (1.5), Engines Blown (2) Cages Built (0) # of rotations (3.5)
Last Updated, Oct 30, 2013
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Pete
Pete Remner
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Re: Brakes on the Toyota 8" axle: my nemesis.
October 08, 2016 09:20AM
I officially hate Toyota axles with ABS now.



Pete Remner
Cleveland, Ohio

1984 RX-7 (rallycross thing)
1978
Silence is golden, but duct tape is silver.
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Gravity Fed
Alex Staidle
Godlike Moderator
Location: Δx = ħ/2Δp
Join Date: 08/21/2009
Posts: 1,676

Rally Car:
1978 Mazda Rx7



Re: Brakes on the Toyota 8" axle: my nemesis.
October 10, 2016 09:23PM
do tell?



Respecognize!
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First Rally: 2010 First RallyX: 2004 (a bunch)
Driver (0), Co-Driver (5)
Organizer (3), Volunteer (3)
Cars Built (1.5), Engines Blown (2) Cages Built (0) # of rotations (3.5)
Last Updated, Oct 30, 2013
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