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How Much Spray On an Lq4???

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Old 04-22-2010, 03:09 PM
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Default How Much Spray On an Lq4???

I am planning on doing a 414c.i lq4 how much do you think i can reliably spray with a good rotating assembly ??? I have heard guys with 408's spraying 300 shots can i do the same with the lq4? Lmk what you guys think thnx, Mike
Old 04-22-2010, 03:27 PM
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with a good stout bottom end a 300 should be no problem. i am in the process of my 408 build. i have 13.3 to 1 c/r, callies crank, callies rods and custom diamond nitrous pistons with a set of total seal rings. Diamond told me i should have no problem hitting these pistons with a 500 shot of juice. but with even a 300. its ll in how you feed it to the motor for reliablity and longivity. this amout your going to want to progressive the system and possibly put it on 2 stages. are these a must NO. but will ensure exactly how much your feeding the motor.
Old 04-22-2010, 05:24 PM
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Originally Posted by 00pewtertransam
with a good stout bottom end a 300 should be no problem. i am in the process of my 408 build. i have 13.3 to 1 c/r, callies crank, callies rods and custom diamond nitrous pistons with a set of total seal rings. Diamond told me i should have no problem hitting these pistons with a 500 shot of juice. but with even a 300. its ll in how you feed it to the motor for reliablity and longivity. this amout your going to want to progressive the system and possibly put it on 2 stages. are these a must NO. but will ensure exactly how much your feeding the motor.
Yea thats what i was thinkin too i am gonna start 300 and see how it likes it then im gonna work my way up to 500 on a good plate by steve johnson.Also if you know would i be stressin the motor if i did a 414c.i. instead of a 408???
Old 04-22-2010, 05:26 PM
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Idc what cubic inch motor is in it, depends on what piston and ring pack is in it. Most off the shelf stuff wont handle that 350-400 etc shots.

and just because your motor builder says it will take 300 or more, good luck on the tune and I hope you know what you are doing.
Old 04-22-2010, 05:32 PM
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Maybe I am miss-understanding you but you won't want to spray 300 on a plate. You are going to need direct port for 300 plus. I havn't heard anyone reccomending over 250 on a plate because you will lean cyl #7 I think it is really quick and destroy the motor.
Old 04-22-2010, 05:35 PM
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Originally Posted by custm2500
Maybe I am miss-understanding you but you won't want to spray 300 on a plate. You are going to need direct port for 300 plus. I havn't heard anyone reccomending over 250 on a plate because you will lean cyl #7 I think it is really quick and destroy the motor.
different intake, prolly victor jr or the like
Old 04-22-2010, 06:02 PM
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Originally Posted by camscam02
Idc what cubic inch motor is in it, depends on what piston and ring pack is in it. Most off the shelf stuff wont handle that 350-400 etc shots.

and just because your motor builder says it will take 300 or more, good luck on the tune and I hope you know what you are doing.
Well i guess maybe ive stated things wrong i have had 8 sec small tire cars i know what im doing when it comes to spray i just dont know what a lq4 BLOCK can handle. I am throwing a good rotator in the block with a good intake and carb its just the block im worried about im gonna be making upwards of 1000 h.p. so i wanna know that this block will be capable of handling that.
Old 04-22-2010, 06:04 PM
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Originally Posted by custm2500
Maybe I am miss-understanding you but you won't want to spray 300 on a plate. You are going to need direct port for 300 plus. I havn't heard anyone reccomending over 250 on a plate because you will lean cyl #7 I think it is really quick and destroy the motor.
Im not really worried about leaning cylinders out.The steve johnson set-up is one of the best plates out there for fuel/cylinder equalization
Old 04-22-2010, 06:05 PM
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yes the block will be fine IMO.
Old 04-22-2010, 06:14 PM
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Originally Posted by camscam02
yes the block will be fine IMO.
Ok thx for the help guys im trying to do this on a budget so any place i can save money is very useful. Uhm camscam02 you seem like u know ur shytt when it comes to this will i be able to use the l92 head with this amount of spray i heard that the head might lift and leak water is this true???
Old 04-22-2010, 06:27 PM
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Originally Posted by 2000whitevert
Ok thx for the help guys im trying to do this on a budget so any place i can save money is very useful. Uhm camscam02 you seem like u know ur shytt when it comes to this will i be able to use the l92 head with this amount of spray i heard that the head might lift and leak water is this true???
I know a little bit. haha. Depends on what you are trying to do, yes the deck on the l92s are thin and that would could limit how much you put to the motor. I know of one car in the 300 range and they havent had a problem yet. I would say the 300hit would be the worrysome range, but thats just a guess as I haven't messed with them personally.
Old 04-22-2010, 06:31 PM
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Originally Posted by camscam02
I know a little bit. haha. Depends on what you are trying to do, yes the deck on the l92s are thin and that would could limit how much you put to the motor. I know of one car in the 300 range and they havent had a problem yet. I would say the 300hit would be the worrysome range, but thats just a guess as I haven't messed with them personally.
So basically its one of those its gonna happen eventually things? Well if i dont go with the l92 heads what heads do you recomend like AFR or something else??
Old 04-22-2010, 06:37 PM
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Originally Posted by 2000whitevert
So basically its one of those its gonna happen eventually things? Well if i dont go with the l92 heads what heads do you recomend like AFR or something else??
If you push it too much it will happen but that could happen with anymotor, you will have better chances with a head with more deck. I would recommend any style head from Performance inductions formally ETP castings then prolly trickflow 245 stuff or bigger. depends on your budget really.
Old 04-23-2010, 11:38 AM
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As long as you get a dedicated nitrous piston and the apporpriate rings then you should be able to spray up to 300+ hp without a problem. The block will hold it you just need to make sure the guts are up to the task.
Old 04-23-2010, 03:31 PM
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Originally Posted by Chris@NitroDaves
As long as you get a dedicated nitrous piston and the apporpriate rings then you should be able to spray up to 300+ hp without a problem. The block will hold it you just need to make sure the guts are up to the task.
Yea thats what i was thinkin i just wanted make sure all my facts were straight thnx for all the help guys.
Old 04-23-2010, 03:56 PM
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Your welcome



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