Need help with LS swap into EF !

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Old Jul 1, 2012 | 02:56 PM
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Default Need help with LS swap into EF !

Hi all,
I am currently trying to swap a 91 integra LS into my 90 DX hatch ( the LS motor says:B18A1.)
After reading several threads , I saw that ppl were mentioned about the resistor box ( which doesn't have on my DX) in order to convert my DPFI to MPFI. Do I have to have that box install in to my car or is there any other way can make the conversion without that box ?
Any help would be appreciate !
D
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Old Jul 1, 2012 | 04:17 PM
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Default Re: Need help with LS swap into EF !

there is no other way, you NEED that box, its a important part without it the car wont run
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Old Jul 1, 2012 | 04:28 PM
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From: newnan, georgia, usa
Default Re: Need help with LS swap into EF !

when i converted my 89 dx to mpfi i didnt use one. i have obd1 injectors.
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Old Jul 1, 2012 | 06:10 PM
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Default Re: Need help with LS swap into EF !

How can I know mine either obd1 or odb0?
Like I mentioned the LS motor is fulled off from 91 integra and it is B18A1.
D
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Old Jul 1, 2012 | 06:53 PM
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Default Re: Need help with LS swap into EF !

Originally Posted by hatch89
when i converted my 89 dx to mpfi i didnt use one. i have obd1 injectors.
This.

Originally Posted by cn_bb
How can I know mine either obd1 or odb0?
Like I mentioned the LS motor is fulled off from 91 integra and it is B18A1.
D
that motor is OBD0, so just get OBD1 injectors. i had a set i gave away. guess easiest way is to hit up the junkyard, and be sure to grab the pigtails
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Old Jul 1, 2012 | 07:36 PM
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Default Re: Need help with LS swap into EF !

Please help me on clear it out:
- first option is go to Junkyard, then how do I know which one is obd1? What is the different between them ? Year/ model of the car ?
- do I have to take the whole complete set include the intake manifold ?
- Hatch89, do you still have the instructions for conversion without using the resistor box . ( been searching but only see the other methods
Thanks.
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Old Jul 2, 2012 | 04:59 AM
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Default Re: Need help with LS swap into EF !

MARVLUS, where did you got that resistor box ? from the civic or Integra ? will any Civic type/models work ?
Thanks
D
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Old Jul 2, 2012 | 05:12 AM
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Default Re: Need help with LS swap into EF !

Originally Posted by cn_bb
Please help me on clear it out:
- first option is go to Junkyard, then how do I know which one is obd1? What is the different between them ? Year/ model of the car ?
92-95 Civic, 93-95 Prelude, 92-95 Integra LS/GS, 92-95 Integra GSR

Originally Posted by cn_bb
- do I have to take the whole complete set include the intake manifold ?
just need the injectors and pigtails
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Old Jul 2, 2012 | 05:34 AM
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Default Re: Need help with LS swap into EF !

Cool BLUE CIVIC ! Thanks for your quick response !
Does anybody know any info for DPFI-MPFI conversion without using resistor box ?
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Old Jul 3, 2012 | 07:05 AM
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Default Re: Need help with LS swap into EF !

I will going to use the 91 integra shiftlinkage for my swap ( it came with the LS motor).
Does anybody know how much to i have to short it out ? and there are 2 sticks on the set, do i have to short them both as the same length or just the shifter ?

thanks,
D
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Old Jul 3, 2012 | 07:16 AM
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Default Re: Need help with LS swap into EF !

Hey im doing the same to my ef but im getting
My swap this week but im gona go with obd1 ecu dizzy injec... For tuning purposes and as far as shift linkage just do it the right way but innovative or hasport there only like 150 with bushing kit dont be so cheap you can sell the one the motor came with and throw ends to make them meet just saying do it right,my friend had this cut and weld and after about 2 seasons of cold,rain,hot weather they started to bend and couldent even get it into gear just saying work smarter not harder
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Old Jul 3, 2012 | 07:28 AM
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Default Re: Need help with LS swap into EF !

Either you can get the Hasport shiftlinkage or shorten them by 2-3/8" ( use the straightest portion as possible) .
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Old Jul 3, 2012 | 07:32 AM
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Default Re: Need help with LS swap into EF !

Thanks for inputs Fittest224 ! i am not cheaping on the perfomance stuff, but just try to get it done since the car has been parting out for a while.
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Old Jul 3, 2012 | 07:38 AM
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Default Re: Need help with LS swap into EF !

btw, about the rear bracket, do i have to get it from a manual motor or auto just fine ?
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