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ls2 vs lq9 block for a 350 shot

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Old 12-31-2011, 03:49 AM
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Default ls2 vs lq9 block for a 350 shot

Ive been trying too see if a which block would be better to go with if im spraying a 350 dual stage nitrous system...
no i do not car about weight if i want too loose 80 lbs ill take a **** its not a honda i just want too hear from guys who know and have experince from high nitrous shot's like this and if you go with a alum. block do you have too get it sleeved or what is my only option a iron block the problem im running into is finding a iron block...
Old 01-01-2012, 06:53 PM
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You can sleeve if you want but if you run that high of a n20 ratio for a long durration you could see block failures. Not nessesarliy cracking but I deffinitly have seen warping and fatigue. Would highly suggest an iron block for any wet n20 system that will be used in a racing or frequent app. in my opinion.
Old 01-01-2012, 08:05 PM
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lq9, arent they iron blocks? If so that would be the deciding decision for me. If they arent lq4 then.
Old 01-01-2012, 08:18 PM
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LQ4 and LQ9 are the same block. Cast Iron all the way on a high horsepower power adder engine. Virtually indestructible block according to ENGINE MASTERS MAGAZINE.
Old 01-01-2012, 08:24 PM
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LQ9 any day. Much better reliability at high HP if you don't mind the extra weight.
Old 01-02-2012, 09:12 AM
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I have a lq4 block for sale check out the classified section



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