foamfence Posted December 12, 2018 Report Share Posted December 12, 2018 Quote Link to comment Share on other sites More sharing options...
DutchGrasstrack Posted December 12, 2018 Report Share Posted December 12, 2018 It's actually a GM NX. Most tuners test with it these days. 1 Quote Link to comment Share on other sites More sharing options...
Sings4Speedway Posted December 13, 2018 Report Share Posted December 13, 2018 Any ideas of the spec of the gm nx? apart from looking cool what are the advantages of this over the current crop of gm's. Quote Link to comment Share on other sites More sharing options...
IronScorpion Posted December 13, 2018 Report Share Posted December 13, 2018 He designed a new head/cam design this last Mar/Apr time which is the bottom, middle picture on his twitter page. https://twitter.com/pjrGM/ Quote Link to comment Share on other sites More sharing options...
Daniel Smith Posted December 13, 2018 Report Share Posted December 13, 2018 This is supposed to be as good as the current crop of GM's but PJR is going down the route of extended service life. Along the lines of the new Goddan and Gerhard. That's what I understand anyway. We'll just have to wait and see. 1 Quote Link to comment Share on other sites More sharing options...
IronScorpion Posted December 13, 2018 Report Share Posted December 13, 2018 Earlier this year, it was mentioned that GM & Jawa were developing engines with better oil circulation to extend service intervals. Quote Link to comment Share on other sites More sharing options...
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