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 bp swap question 
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Joined: January 18 2013, 1:01 PM
Posts: 270
Location: Florida
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Post bp swap question
ok so im almost done building my bp and im fixing to pull by b6, my mx is a 94 so the maf is different, distributor, and vehicle speed sensor, now ive already gathered myself that i can get away with using my wiring harness and a obd1 kia sephia ecu, but what bout the vehicle speed sensor? i know the g series trans uses a speedo cable, and i want to use all of my sensors... and any other tips would be greatly appreciated....
plan is to.. swap b6 out for bp
swap F trans for a G trans...
use MY 94 wiring harness and 95 kia sephia ecu...

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My Mazdas
2008 Mazda 3 FS auto - Totaled
1994 Mazda 626 KL 5 spd - sold
2002 Mazda Millenia S - sold
1994 Mazda MX-3 RS 5 spd - bp swapped
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November 14 2013, 10:05 AM
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Joined: April 18 2002, 2:01 AM
Posts: 3432
Location: Washington state
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Post Re: bp swap question
Well I just used a 1/2" thick piece of plexy and made a spacer. Compare the two sensors together. the difference is like exactly 1/2" in length. The cable spedo is shorter, so make a spacer to make up the difference.

I mocked up the shape of the mounting point, then dremeled the plexy to fit. the spedo has a rubber ring so as long as your hole is round enough it will still seal. The base to the trans I used RTV and then I used the same mounting bolt hole, just with a longer bolt to make up for the spacer.


When I went AWD, that one was a bit different, but same thing cable spedo to my digital cluster. SO in that case there is a disconnect about 12" up the cable from the trans so I pulled it there and then pulled the gear off of the digital spedo and you are left with a metal shaft. I ground the shaft to fit into the mechanical cable then used a piece of fuel line hose to go over it with a hose clamp on each end and it works like a dream.

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Josh
95' AWD MX-3 RST - (work log - http://www.mx-3.com/phpBB3/viewtopic.php?f=46&t=73765 )
94' GS - KLZE DD (work log - http://mx-3.com/phpBB3/viewtopic.php?uid=2713&f=46&t=79063&start=0 )
05' MS RX-8 - Parted out and Sold :'(
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November 15 2013, 5:43 PM
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Joined: January 18 2013, 1:01 PM
Posts: 270
Location: Florida
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Post Re: bp swap question
Thanks josh this helps a lot :)

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My Mazdas
2008 Mazda 3 FS auto - Totaled
1994 Mazda 626 KL 5 spd - sold
2002 Mazda Millenia S - sold
1994 Mazda MX-3 RS 5 spd - bp swapped
My Worklog/Build Thread
My YouTube Page
Image


November 17 2013, 8:20 PM
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