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  1. M

    Installed new MAF and now it runs slow

    How should I tune my car as far as timing and a/f ratio. I have never changed the timing before and I can not see the number on my dampner. I have just installed a Granitelli MAF along with 30lb injectors. When I drive first gear is kinda ok but not the same as it was. Some times it stumbles...
  2. M

    Doesn't idol right smokes out of the tailpipe

    I have just added a Granitelli MAF I think it is 90mm calibrated for 30# injectors. I have also installed 30# FMS injectors. When i started the engine it is now just stumbling and will not accelerate at all. It also has alot of smoke coming out of the tailpipe. I think it is black so it seems...