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b17a1 swap problem

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b17a1 swap problem

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    b17a1 swap problem

    ok so heres the deal i completed my b17a1 swap into my gs pluged everything in and i am running a p61 but its seem sluggish until 5000 rpm compared to when i run my gs ecu pr4 which acclerates good think i have a bad p61 any help would be greatly appreciated also im not getting any check engine light

    #2
    Nothing jumps out to me as being the obvious problem... It wouldn't hurt if you gave some more details about your setup. Any modifications, rebuilding, assembly, dis-assembly, problems during the swap, tuning....etc. The more detailed the better.

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      #3
      thanks colin no major mods to they motor aem cold air intake dc 4-2-1 headers didnt rebuild it replaced gaskets water pump b16 ys1 lsd trans. did compression check and it was pretty good 175 cyl 1 180 or 185 on the rest i cant rremember its just weird that it would run good on the pr4 and not on the p61

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        #4
        Could be a bad ECU man...When I did my swap, I messed up the spark plug firing sequence. Never threw a code or anything..VTEC even worked. Check all your wires over again.

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          #5
          It wouldn't be wires if it runs fun on one ecu but different on the other. If you can't think of any other culprits I'd try to find another vtec ecu to test.

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            #6
            anyone got suggestions

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              #7
              i was wondering if the timing was off just a couple teeth would it make a diffence between the p61 and the pr4 ecu

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                #8
                I would think it would feel sluggish or boggy with both ecu's, but there's always a chance it would feel different. Incorrect mechanical timing could definitely cause the power loss you're feeling.

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                  #9
                  Fixed

                  whats up colin an vi massive i just wanted to let u kno that i appreiate your help i fixed the problem it was the timing i finnialy got a timing light and it was way off adjusted it today and she pullin hard thanks again for you input

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                    #10
                    Mine is like that too. Here is my dyno chart:
                    http://g2ic.com/forums/showthread.php?t=197057

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