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  • If JBP touched it you better tripple check everything. They have a bad reputation for this sort of thing.

    Jbody guys don't even shop there any more
    Past Builds;
    1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
    1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
    Current Project;
    1972 Nova 12.73@105.7 MPH

    Comment


    • Originally posted by Superdave View Post
      If JBP touched it you better tripple check everything. They have a bad reputation for this sort of thing.

      Jbody guys don't even shop there any more
      that sucks to hear, is this recently? or for a long time, this crank was ordered around 2004/2005

      S...........L...........E...........E...........P...........E...........R

      Comment


      • Originally posted by kwhauck View Post
        that sucks to hear, is this recently? or for a long time, this crank was ordered around 2004/2005
        for many years, starting around 2002/2003.


        They have turned out some good products but there has been a lot of people with problems. Several failed engine builds including one that was supposed to be a stroker.

        this was a huge fail on JBP's part..




        the 3.7 stroker they built for him blew right away. I know of at least 1 other engine they built that failed right away too.
        Past Builds;
        1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
        1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
        Current Project;
        1972 Nova 12.73@105.7 MPH

        Comment


        • well, I appreciate the heads up. I would be pissed at an immediate engine failure. Since, I am not really well adversed on internals, what should I be looking for or tell my machine shop, because I know there is still some clearencing to do with the crank and block......

          S...........L...........E...........E...........P...........E...........R

          Comment


          • I'd just give them all the info you can and have them just double check all the measurements. Plastigauge every bearing as well.
            Past Builds;
            1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
            1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
            Current Project;
            1972 Nova 12.73@105.7 MPH

            Comment


            • You should be blue-printing the whole motor anyway. Look, you may have someone else machine it and even someone else assemble it, that's fine, not everyone has their own personal machine shop in their basement. But, always double check! Besides, if you going into "new" territory you NEED to know exactly whats going on in their. Just bolting a bunch of parts together could be very expensive setup for a bad day of crying over rods on the pavement.

              Spend the few dollars for gauges, a book on blue-printing, and go over the whole thing.
              sigpicHow to make High performance Emissions:
              A "true" High flow converter, straight pipe.
              Low/No flow EGR valve, block off plate.
              Carbon canister and purge valve mod, place in large 30 Gallon can, cover, and place curbside, the city will do the rest.
              PCV valve and vent tube, reroute to exhaust to dump where it belongs, on the ground. Or add breathers and let it all free.

              Comment


              • I will be going over everything and double checking but i doubt this stroker will be running this summer, it isn't on my priorities with my wife and i's first child on the way.....

                S...........L...........E...........E...........P...........E...........R

                Comment

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