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22-06-2012, 09:16 PM | #1 |
Senior Member
Join Date: Jun 2010
Location: wollongong
Car: 99, BJ 323 astina hatch
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Bj1 1.8 5-stud conversion
Hey guys, sorry if it's been posted about before i'm on my phone and it won't let me search posts,
I've just bourght my self some mazda cx-7 18" rims for my bj1 323, fully understanding the fact that a 5-stud (sp20) conversion is in need to have these wheels fitted, Just wondering if anyone has done this before or am i ganna be the first to actually go threw with doing it?, I know that all the suspention set up is all the same and that the front hubs are a direct change over, really my main concern is. Are the hub splines the same? And do the 5-stub hub&bearing unit directly fit on to the rear stub-axels? Or dose the sp20 rear stub-axel need to be used?, Obviously the 5-stud brake rotors are also needed to be replaced also. Thanks in advance ... Andy
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Cars .. 1: 241kw Turbo 1999 BJ 323 Astina . 2: 1983 ke70 Corolla. 3: 2011 PK Ranger Wildtrak (tow car ) |
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22-06-2012, 09:46 PM | #2 |
obsessed-incomplete-broke
Join Date: Oct 2008
Location: Brisbane
Car: BA Hardtop/Hatch
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Probably the same as a BA swap. New hubs, if you've got abs make sure you get abs hubs. New rotors calipers and pads are all I needed. Splines would most likely be the same.
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22-06-2012, 10:07 PM | #3 |
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Join Date: Dec 2011
Location: Adelaide
Car: 2000 Mazda BJI Protege
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Yep, I've got a BJ1 too and I'm looking at a similar conversion; the hubs just change straight over, and change the discs and thats all thats too it.
Edit: Beaten to it!
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2010-2014: 2000 Mazda 323 Protege 2014 - 2016: 1991 Toyota MR2 SW20 2016 - Err, 2016: 2002 Mazda 323 Astina SP20 2016 - Err, uh, 2016: 1991 Mazda MX5 NA 2016 - 2017: 2000 Alfa 916 Spider 2017 - 2018: 2007 Alfa Brera 2018 - Current: 2018 Mazda 3 SP25 |
23-06-2012, 09:56 AM | #4 |
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Location: Auchenflower, Brisbane
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Little harder for you given you have drum rears and all.
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23-06-2012, 10:50 AM | #5 |
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Yep, more than aware about that. I was just saying in general, though, like if he has discs all round (which he does) then the hubs and rotors just swap straight out for the new ones. Obviously for me it will be more than that.
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2010-2014: 2000 Mazda 323 Protege 2014 - 2016: 1991 Toyota MR2 SW20 2016 - Err, 2016: 2002 Mazda 323 Astina SP20 2016 - Err, uh, 2016: 1991 Mazda MX5 NA 2016 - 2017: 2000 Alfa 916 Spider 2017 - 2018: 2007 Alfa Brera 2018 - Current: 2018 Mazda 3 SP25 |
22-06-2012, 10:07 PM | #6 |
Banned
Join Date: May 2006
Location: Brisneyland, Queensland
Car: 2002 Mazda Frankenstina
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All you need to do is swap the hubs and discs. the calipers are the same and no worries about drive shaft not fitting.
i have a g series gear box and drive shafts into my 1.8 hubs. I havent done the 5 stud conversion yet myself. |
23-06-2012, 05:59 AM | #7 |
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keep your uprights, keep your calipers. install hubs and new rotors. done...
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23-06-2012, 07:05 AM | #8 |
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Join Date: Jun 2010
Location: wollongong
Car: 99, BJ 323 astina hatch
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Beautiful going to be easy as first thourght, thats good well once i get the wheels powder coated and some new rubber i will be doing the conversion, thanks heeps everyone,
I spoke to a bloke from mazda was trying to see if he could tell me the spline counts and if the rear bearing is the same fit ment, but he almost had a heart attack and saying " how would you know, you just can't do that no one could tell you bla bla bla" bloody hopeless, oh well cheers everyone
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Cars .. 1: 241kw Turbo 1999 BJ 323 Astina . 2: 1983 ke70 Corolla. 3: 2011 PK Ranger Wildtrak (tow car ) |
23-06-2012, 06:06 PM | #9 |
AstinaGT Regular
Join Date: Aug 2011
Location: ryde
Car: ford laser sr2
Posts: 395
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buy some adaptors easiest way to do it i have fitted many at work havnt had any complants
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23-06-2012, 10:23 PM | #10 |
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Join Date: Feb 2009
Location: sydney
Car: Mazda BJ SP20 Turbocharged
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The fronts should be a straight bolt on jobbie with hub & knuckle.
The rears, you will need the rear control arms aswell as the sp20 arms are shorter than the normal 4-stud version arms. P.S. if you need the complete conversion to 5-stud, I have 99% of the bits if you need Last edited by familiagtx; 24-07-2012 at 02:54 PM. |
21-07-2018, 12:57 PM | #11 |
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Join Date: Jul 2018
Location: Australia
Car: Ford falcon
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Hi I'm looking for a front hub for 2003 Mazda sp20 do u know if the 1.8 and the 2.0 are the same hub. A bit random but thanks
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21-07-2018, 03:36 PM | #12 |
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2.0 are 5 stud, 1.8 are 4 stud - so no.
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