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Old 06-03-2009, 01:01 AM   #1
ivan93egreppin210
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Default how to convert an obd1 p75 to run vtec

i know its possible. i cant seem to find a write up on this. been googling for the past hour. can someone point me in the right direction. i have a spare 0bd1 p75 i would like to try converting. ill check what board i have in the morning. thanks.
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Old 06-03-2009, 01:27 AM   #2
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Default Re: how to convert an obd1 p75 to run vtec

you have to chip it...what motor you plan on using this with?
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Old 06-03-2009, 04:50 AM   #3
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Default Re: how to convert an obd1 p75 to run vtec

after finding out what board you have, buy this:

http://www.xenocron.com/vtec-convers...b2871d9fc398cc

and click on the instructions for which board you have here:

http://www.xenocron.com/techcenter.php
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Old 06-03-2009, 03:10 PM   #4
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Default Re: how to convert an obd1 p75 to run vtec

Quote:
Originally Posted by FxCkyoVTEC209 View Post
you have to chip it...what motor you plan on using this with?
i plan on using it on a stock block b20z2. and a stock gsr head combo. i have 2 p75's laying around. just wanted to try converting one for the sake of learning. i check one of the ecu's and its a 1980. looking at my ecu there appears to be small baige components already installed at the j5, j4, j3 location. the link says

" If any components are installed in those places already, leave them there as some ECUs have those components installed already."

were they refering to these locations or do i need to remove them and jump them with just new legs?
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Old 06-03-2009, 07:19 PM   #5
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Default Re: how to convert an obd1 p75 to run vtec

whatever's on the instructions for the 1980 board. it specifies if it's there, leave it there. if j5,j4,j3 is not listed for removal on the instructions, leave them there.
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