Most Cubes In An LQ9
04-20-2010, 04:07 PM
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Most Cubes In An LQ9 I am thinking about making a lq9 what is the most reliable cubes i can get out of an lq9 and still make decent power? Let me know what you huys think about this thnx, Mike
04-21-2010, 09:58 AM
#5
Think smaller if you are gonna run a power adder. You will want the thicker cylinder walls. The 4.0 stroke is perfect these motors IMO. The 4.125 stroke can cause issues from the piston dropping so low in the bore. Not always but sometimes.......
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04-22-2010, 02:48 PM
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Well im gonna start with like 275 then work my way up and with the heads im trying to use factory gm heads cause they r supposed to flow great out the box and they r cheap thats y i asked that.
04-22-2010, 03:42 PM
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cheap and fast dont really go together but as far as stock gm heads id go with a set of L92 heads, if it was me id get them ported as well. Also if your doing big hits of spray id want the thickest cylinder walls i could.....i wouldnt go over 408 CI.
04-22-2010, 06:03 PM
#11
no...with stock main caps, you can safely get 800 hp out of it.
also, forget GM heads if your gonna ram all that spray down its throat. you will start lifting the head and push water.
if your gonna hit it that hard, you need a head with a thicker deck. (AFR, TFS etc...)
also, forget GM heads if your gonna ram all that spray down its throat. you will start lifting the head and push water.
if your gonna hit it that hard, you need a head with a thicker deck. (AFR, TFS etc...)
04-22-2010, 06:05 PM
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Man Dont go over a 408 with spray. If you do a cam have it specd out and have a custom grind thats what I did with my 370. I have seen turbo 370s push some serious power around that area. You doing a direct port kit. You will have to with that much spray. Also you need to start with a 150 shot get a decent tune then work your way up. There is alot that comes into play with nitrous you just dont throw a shot in there.
04-22-2010, 06:23 PM
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Man Dont go over a 408 with spray. If you do a cam have it specd out and have a custom grind thats what I did with my 370. I have seen turbo 370s push some serious power around that area. You doing a direct port kit. You will have to with that much spray. Also you need to start with a 150 shot get a decent tune then work your way up. There is alot that comes into play with nitrous you just dont throw a shot in there.
