wax Posted May 24, 2009 Share Posted May 24, 2009 I have read that some of the f54 blocks ( the early ones were higher nickel and are the ones to have Does anyone know how to identify these blocks Quote Link to comment Share on other sites More sharing options...
Administrators BRAAP Posted May 24, 2009 Administrators Share Posted May 24, 2009 So what attribute of this "higher" nickel content L-series block are trying to take advantage of and in what way does that attribute benefit the engine "you" are building, over any other L-series block? Quote Link to comment Share on other sites More sharing options...
wax Posted May 24, 2009 Author Share Posted May 24, 2009 Just a stronger block I have two l28,s and i just wondering what one to use Quote Link to comment Share on other sites More sharing options...
kiwi303 Posted May 24, 2009 Share Posted May 24, 2009 just use the one that has the better crack test/magnaflux/ultrasound/whatever. Quote Link to comment Share on other sites More sharing options...
wax Posted May 24, 2009 Author Share Posted May 24, 2009 Yeah I think thats going to be the go Quote Link to comment Share on other sites More sharing options...
johnc Posted May 24, 2009 Share Posted May 24, 2009 Per the folks at Sunbelt (from data they got from Electramotive), the 1975 N42 block had the highest nickel content of any of the L6 blocks made - for whatever that's worth. Quote Link to comment Share on other sites More sharing options...
blue72 Posted May 24, 2009 Share Posted May 24, 2009 That's all I've ever heard of either, the early N42 blocks, not the F54's. Quote Link to comment Share on other sites More sharing options...
WizardBlack Posted May 24, 2009 Share Posted May 24, 2009 I've not heard of many L blocks splitting from high torque/power/rpm levels. I know SBF's are kinda that way and ppl look for high nickel content blocks, but not in an L-series. Quote Link to comment Share on other sites More sharing options...
wax Posted May 24, 2009 Author Share Posted May 24, 2009 Ok thanks guys thats the info i want Seems i may have read it wrong Quote Link to comment Share on other sites More sharing options...
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