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  • engine swap question....need help fast!

    i have a 95 sl2 OBD1....and i have a 99 SL2 OBD2, can i swap the 99 into the 95 without a wiring harness swap,
    all i wanna do is pull the old motor and put in the 99 motor without too much headache

    is it even possible
    Fucking Pringle bastards.

  • #2
    as far as I know I think u wont have any problems except for the coolent temp sensors. Because the 95 head has 2 therefor the wiring harness has 2 plugs for it.

    The 99 head has one coolent temp sensor so you are going to have to do some kind of rigging or tap somewhere.

    I could be wrong could the pros check me on this. Thanx
    OMAR<br /> NY Biatch!!!<br /><br />FIRST PROJECT DONE AND GONE. POSSIBLY, MAYBE, A SECOND PROJECT IN THE FUTURE???<br />[img width=473 height=230]http://img.photobucket.com/albums/v216/schizzo941/decent%20shots/omarflamesignature.gif[/img]

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    • #3
      It will swap fine, BUT:

      Like he said, the two cts thing is something you will have to deal with. On richies car we just hooked up the pcm sensor leads to the sensor and said f it. PCM will turn on the fan.

      You will need to swap your 95 fuel rail and injectors onto the 99 manifold too. Your 95 has a return system and the 99's use the returnless crap.

      You will need to deal with the exhaust too. The 99 has the 9 bolt exuast pattern and the 95 had the 5 bolt, so you wont be able to use your 95 manifold/ header/ whatever you have there.

      Easiest thing to do would be to get a 99-02 manifold and downpipe from the boneyard or get an obx header or something lol.
      07 Redline w/ stuff.<br /><br />89 Civic hatch w/o stuff.<br /><br />96 SL2 that dont need stuff.

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      • #4
        but jeremy maybe he would like to keep an eye on his temp, so need to tap sensor into the head somewhere. most likely right at the outlet on the head (where upper radiator hose clamps on).
        Ian---The Fat Ass

        1995 SL2-High compression engine FOR SALE
        2010 Chevy Cobalt SS- tuned with plenty of goodness
        2002 SC2-New daily
        2017 Kawasaki Ninja 650 KRT- got a stupid deal
        2003 Ford Taurus SES- free daily beater

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        • #5
          Originally posted by saturnspeed_12
          but jeremy maybe he would like to keep an eye on his temp, so need to tap sensor into the head somewhere. most likely right at the outlet on the head (where upper radiator hose clamps on).
          take some copper pipe, drill and tap it for the sensor that gives the temp reading for the gauge, slice the radiator hose and clamp the pipe in-line with the sensor in it.
          -Vinny

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          • #6
            Originally posted by Schizzo97SC2
            Originally posted by saturnspeed_12
            but jeremy maybe he would like to keep an eye on his temp, so need to tap sensor into the head somewhere. most likely right at the outlet on the head (where upper radiator hose clamps on).
            take some copper pipe, drill and tap it for the sensor that gives the temp reading for the gauge, slice the radiator hose and clamp the pipe in-line with the sensor in it.
            yeah forget that dude.

            Just make a Tee with brass fittings and put it in the aeration return line.
            07 Redline w/ stuff.<br /><br />89 Civic hatch w/o stuff.<br /><br />96 SL2 that dont need stuff.

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            • #7
              is it long enough on the harness side to do this? I mean either would work but I figured it wouldn't be long enough to get over there.

              both should work though unless you really want to get an accurate reading. the coolant coming out of the head is reading dead on the same as the other sensor, as opposed to just the overflow, but that's not a huge deal for just a gauge.
              -Vinny

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              • #8
                They both come from the same side of the head.
                07 Redline w/ stuff.<br /><br />89 Civic hatch w/o stuff.<br /><br />96 SL2 that dont need stuff.

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                • #9
                  nevermind I'm thinking of an ecotec maybe. I thought they were on opposite sides or whatever.
                  -Vinny

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                  • #10
                    Yup it's on the same side one is higher then the other I remember from Gabbys swap.
                    OMAR<br /> NY Biatch!!!<br /><br />FIRST PROJECT DONE AND GONE. POSSIBLY, MAYBE, A SECOND PROJECT IN THE FUTURE???<br />[img width=473 height=230]http://img.photobucket.com/albums/v216/schizzo941/decent%20shots/omarflamesignature.gif[/img]

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                    • #11
                      Just for te record, isnt swapping a 99 engine to replace a 95 engine going to be less powerful because of the smaller ports? And wouldnt you have to swap te ECU in aswell? Also, I thought that the top left engine mount was different? Or maybe im tihnking of an 00+ model.

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                      • #12
                        Originally posted by HighEnd777
                        Just for te record, isnt swapping a 99 engine to replace a 95 engine going to be less powerful because of the smaller ports? And wouldnt you have to swap te ECU in aswell? Also, I thought that the top left engine mount was different? Or maybe im tihnking of an 00+ model.
                        no.
                        07 Redline w/ stuff.<br /><br />89 Civic hatch w/o stuff.<br /><br />96 SL2 that dont need stuff.

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                        • #13
                          Frank, as far as I know all is the Same, but you are right on the power thing because the 99+ models have the smaller ports. therefor they are slower the previous years. Thats my knowledge of course
                          OMAR<br /> NY Biatch!!!<br /><br />FIRST PROJECT DONE AND GONE. POSSIBLY, MAYBE, A SECOND PROJECT IN THE FUTURE???<br />[img width=473 height=230]http://img.photobucket.com/albums/v216/schizzo941/decent%20shots/omarflamesignature.gif[/img]

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                          • #14
                            Originally posted by conflict325
                            Frank, as far as I know all is the Same, but you are right on the power thing because the 99+ models have the smaller ports. therefor they are slower the previous years. Thats my knowledge of course
                            I mean, I know te 3rd gens have the smallest ports out of all of them, but I was just wondering. I would have thought something would have been different as far as transmissions went with te computer.

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                            • #15
                              I dont really see why you'd have to swap the computer. I'm sure he could keep the 95 seen as how his wiring harness is the 95 one
                              OMAR<br /> NY Biatch!!!<br /><br />FIRST PROJECT DONE AND GONE. POSSIBLY, MAYBE, A SECOND PROJECT IN THE FUTURE???<br />[img width=473 height=230]http://img.photobucket.com/albums/v216/schizzo941/decent%20shots/omarflamesignature.gif[/img]

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