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Old 24-09-2007, 12:31 AM   #41
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even that huge 3.0l 929 could be worth looking at
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Old 24-09-2007, 08:04 AM   #42
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even that huge 3.0l 929 could be worth looking at
Is it RWD or FWD?
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Old 24-09-2007, 01:20 PM   #43
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The 929 is RWD but that shouldn't matter the disk sits on a hub.
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Old 24-09-2007, 07:00 PM   #44
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Here we go one finished caliper assy beside a standard one. I need to test fit on the car and get some brake pads.
They won't be going on for a few weeks as I've picked up some speeding invoices recently
The pics are a little large, my batteries were getting flat and the flash didn't work properly.
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Old 24-09-2007, 07:03 PM   #45
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they look so close, thats is not funny. other than the overious 1 vs. 2 pots.

ryan
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Old 30-09-2007, 06:03 PM   #46
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The 626/Subie combo bolts to the Astina in the right place.
The BAs 274mm rotors are too big for the GD brackets.
The smaller GD disks have a center hole 8mm smaller than the BA.
GD 626 disks are more popular than the BA V6 ones so they should be cheaper before machining.
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Old 30-09-2007, 08:26 PM   #47
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i have edited this post and made a new thread. regarding 4x100 upgrades to BG/BA hubs

cheers

http://www.astinagt.com/forums/showthread.php?t=10270
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Old 30-09-2007, 08:33 PM   #48
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i think you missed the point ross.

3 reasons to go from 4 to 5 stud is:-
5 studs = more options for wheels etc
V6 brakes = bigger brakes
easy straight swap using whole hub asssembly

if they wanted to stay 4x100 - then this thread wouldn't have started me thinkz.

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Old 01-10-2007, 01:44 PM   #49
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HI i got a BA Hardtop i was reading and you sound like you know a bit so i was just wondering....

What car are the 2 pot suburu callipers off ? and would these just bolt straight on to my brackets .

Thanks
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Old 04-10-2007, 05:02 PM   #50
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just some info guys today i looked at the MPV 2 pots and the bolt holes etc arent usable so i went with the stock BA calipers which arent a bad thing
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Old 06-10-2007, 06:47 AM   #51
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MPV 2 pots would fit on a sp20 brake hub
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Old 09-10-2007, 03:14 PM   #52
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caN SOME ONE ANSWER ME THIS....

Dose the V6 front brakes bolt on to 4 stud hub ??????? could somebody please explain to me what has to be done to upgrade to the v6 brakes???
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Old 09-10-2007, 03:31 PM   #53
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caN SOME ONE ANSWER ME THIS....

Dose the V6 front brakes bolt on to 4 stud hub ??????? could somebody please explain to me what has to be done to upgrade to the v6 brakes???
For the front, you need the V6 caliper mounts and caliper. You'll need to get the V6 disc rotor redrilled to 4 stud, and use your 4 stud hub.

If your car is relatively stock, i wouldn't bother.
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Old 09-10-2007, 03:32 PM   #54
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The V6 brake caliper will not bolt to the 4 stud knuckle, the bolt placements are different. Both 4 and 5 stud knuckles will bolt directly to the suspension strut, lower 'A' arm and steering arm and so are interchangeable without altering any suspension components.
The hub (the bit that rotates) can be swapped between the 4 and 5 stud knuckle so you don't need to go 5 stud to get the bigger brakes, this means you will need to either have an undrilled V6 disk drilled for your 4X100 studs or find a disk that is close enough with the 4X100 already drilled. Some people have apparently used the NA Mx-5 disk.

--o0o-- OR

Change to the V6 assemblies front and rear and buy new wheels.
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Old 09-10-2007, 05:15 PM   #55
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or find a disk that is close enough with the 4X100 already drilled. Some people have apparently used the NA Mx-5 disk.
Technically it's a 2001+ NB8A or better MX5 rotor to get ~270mm and 4x100

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Old 10-10-2007, 07:28 PM   #56
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so what your saying??? forgive me if im 100% wrong

got to wreakers..get a pair of BA V6 hubs (complete)
remove everthing!!! from them
push out the wheel bearing/center etc...
replace it with a BG 4x100 CV, bearing setup etc

go and get some 2 pot Subi cali's..do a hybrid with the BA stuff

get some larger 4x100 mx5 rotors


if so that seams really easy for a brake upgrade
and bolt it all in to a BG mazda?
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Old 10-10-2007, 08:32 PM   #57
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The BA upgrade could be step one. The Subie caliper could be step two and should work with the Mx-5 disks you would need to use the 626 brackets to mount the caliper to the knuckle as well as the 626 brake pads.
So far it's a work in progress.
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Old 11-10-2007, 05:07 AM   #58
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all righty...keep me informed how it works out thanks


i got a track day in Feb 08
so im hoping to have it finished by then
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Old 06-11-2007, 02:04 PM   #59
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The GTR brakes are essentially the same as the BA V6.
Essentially are, or are? Same rotors and pads?
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Old 03-12-2007, 08:58 PM   #60
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Not exactly a 5 stud conversion remark but just overall brake upgrades but
MX5Plus are offering a 275mm rear upgrade package as a bolt on to earlier
NA and NB models.

http://www.mx5plus.com.au/part_displ...?part=32&cat=2

I have asked them if this includes an adapter bracket or if the calipers are made
to suit the larger rotors. Will advise answer. Now I just need to find how the
NB8B caliper mounting holes go against BA V6 or BA 4cyl mounting holes.
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