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the mazda 1.8 BP

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    the mazda 1.8 BP

    so here's the thing i have a 97 kia sephia with the 1.8 l DOHC i just recently losty all compression with only 155 k i was reading in the kia forum's that the 1.8 bp moter from mazda was the same thing just different body's now the thing is that i was wanting to strip my moter down to block and build it top shot with the mazda parts now just wondering from u guys if after market parts for the mazda moter would be compatible with my kia moter?

    #2
    Moved to the proper section.

    Also hit the search bjutton. You'll find that the 90-94 protege, 91-96 escort gt, 94-200? And 94-97 sephia(with bp) are all the same
    1993 Protege LX-Midnight's shadow SOLD
    1996 Honda CBR600-Wrecked. Damn Honda crippled me
    2002 mazda MPV-family truckster SOLD
    2010 VW routon

    Originally posted by jay
    .....they totally underestimated the number of gearheads such as myself that have families but refuse to grow the hell up and stop playing with cars, or that otherwise see the utility of having 4 doors. Obviously I ain't alone, as there are a helluva lotta sti and evo here. Bueler? Beuler? Mazda? Mazda?

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      #3
      Yes they will fit. Right now im in the middle of doing some work in my `96 sephia. Just needs to figure out what is going on with my camera. All my pics are coming all blury.( im about to buy a new one) so far i have found more info in this place, than the so call kia sites. Also make sure you check the classiffied section yoy will find lots of things that will fit your car. Ask me how i know good luck.

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        #4
        Oh i almost forget,welcome aboard! Maybe you can joint me and get this section going with our projects.

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          #5
          ok so on the status of my moter i have every thing pulled and ready to lift the head but out of the ten head bolts i have removed i still cant lift the head i have already removed the intake with the exhaust removed the passenger side moter mount which i doubt i needed to is the some bolts or something that i am missing and thanks for any tips that u give me in advance

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            #6
            do you remove the braket where that mount sits. that braket goes from the front of the head to the side of the block,right on the back of the alternator. i dont understand if you already remove the intake manifold. but the intake manifold has a couple of brakets holding the manifold to the block, right under it. hope that helps.

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              #7
              so i looked all ove the head and for some reason it still wont come off then i got to looking in side the head seeing if i missed a bolt or something and i found what looked like two allen key bolts but dont have a big enough key to fromve wondering if u even need to remove them?

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                #8
                and yes by the way i removed the bracket behind the alternator

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                  #9
                  friend is hard to tell without seen some pics. but if you are shure you have remove everything, sometimes the dowels that center the head to the block are a pita to let the head go. some times you need to go around and pry it at the corners evenly to pull it out. no you dont have to remove those allen plugs, thats only when you are going to service the head. (REMEMBER I AM ONLY GIVING IDEAS, IM NOT THERE TO BE 100% SURE OF WAS GOING ON) DO YOU HAVE A BOOK O ANY TYPE OF GUIDE TO DO THIS TYPE OF WORK? JUST ASKING.......... GOOD LUCK.............CARLOS

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                    #10
                    if all the bolts are deffinatly out get a prybar and get it to move off the pins, its probably stuck like cd said... i do it at work all the time, to find what i missed...lol..
                    92 protege lx-

                    94 protege lx-

                    95 escort gt-ms2e/ms2extra pre3.3alpha5 gslender v2.8-e85-vj23@12lbs----dead--

                    are you a thinker, or a believer?

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                      #11
                      alright thanks guys so after almost a week of looking and finding i start tomorrow the long and dedicated build of my 1.8 dohc sephia with the five speed swap wish me luck and thanks for any advice u guys can give

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                        #12
                        so friend, would you like to share with us, how do you solve the problem with the head not coming off?? just in case someone goes thru the same problem as you...THANKS. and thats why we are here. to help each other in/on anything we can......CARLOS

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                          #13
                          if you are sure there is nothing holding the two together then take a rubber mallet and tap the cylinder head to see if that will knock it loose. once you remove the head studs there shouldnt be anything to damage.

                          I have a gtr motor that is ~18-20 years old now and it took some effort to get the head to seperate.

                          S197 Mustang GT Convertible The New DD. (Ford Racing 3.73/JLT CAI/SCT SF3 Tuner/Ford Racing Exhaust)
                          2009 Nissan Rogue SL AWD Maximus Tractionous Wifeymobilious
                          Previous ~ 235whp 1.8 BP Powered 2003 MazdaSpeed Protege ~ - Sold

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                            #14
                            Some aftermarket parts will fit, just keep an eye on alternator and crank pulley which it changes on some years. Stay with the Kia cylinder head and pistons (have slight more compression, 9.5@1) unless you go with Miata (if I recall) 2001 that are 10@1.

                            Stay with the Kia axles and transmission. On the exhaust side, it almost has a semi-header, a very cheap mod on Mazdas if many dont want to spend the cash. The Mazda/Scort is cast and flows like crap. Stick with your Kia intake manifold, do not install the Mazda/Scort unless going turbo which then would suggest a Mazda GT-R mani.

                            Of course there are other routes, but I am staying on the low budget side of performance upgrades.
                            Look also on Miata forums, almost the same deal...

                            On the crank side, if purchasing a Escort engine, look for the engine with the big nose crank, if I remember well, 93 to 95, may be off on the years. It is easy to distinguish, the crank bolt is much bigger on the big nose crank compared to the small nose.

                            Good luck!

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                              #15
                              do all the kia bps have 9.5:1? do they handle boost like the standard Escort GT bps? soory for the slight hijack
                              i know its a piece of crap... but im still faster...

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