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Lq4 + radix....power?

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Old 05-20-2005 | 04:15 PM
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Default Lq4 + radix....power?

How much power can a stock 6.0 LQ4 handle?

Im about to order one for my radix and wanna know if i shold try to upgrade anything?

also, what kinda numbers will i lay down with about 10lbs?
Old 05-20-2005 | 04:19 PM
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I think parish just upgraded the rod bolts in his 6.0 and it made some power.....

I'd probably stick a nice blower cam in there while it was on the stand, upgrade the springs, and maybe pin the crank for insurance.
Old 05-20-2005 | 04:28 PM
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so heres the deal....
i had planned on getting a stock 6.0, throwing the radix on it, and trying to get 10lbs out of it. but one of the guys at SMC said a 6.0 wont make 10lbs and i should throw some ls6 heads and cam in it for like 375-390rwhp
Old 05-20-2005 | 04:34 PM
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Originally Posted by WaitinToDrag
so heres the deal....
i had planned on getting a stock 6.0, throwing the radix on it, and trying to get 10lbs out of it. but one of the guys at SMC said a 6.0 wont make 10lbs and i should throw some ls6 heads and cam in it for like 375-390rwhp
Is your goal boost, or power? If your goal is boost, then the guy at SMC may be right. But if your goal is power, tell us what your goal is and let the guys here tell you if you will reach it.

The deal is compression and displacement versus boost. A higher displacement motor will make less boost but more power with the same blower config.

The Radix has a 3.4" pulley on an LM7, and 3.3" pulley on an LQ9, and a 3.1" pulley on an LQ4...all for 5.5-6.5 lbs of boost. Does my LM7 make power than grippy's LQ4? I seriously doubt it.
Old 05-20-2005 | 04:43 PM
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I just want to make power. id love to be over 400. i had 10 lbs on my 5.3 and if i can make more power on a 6.0 with only 7 lbs...im game for it

so....stock 6.0+radix+2.75" === ??

and would the be a good setup for a while?
Old 05-20-2005 | 04:45 PM
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Boost isn't where its all at anyway, its cfm. You'll get that with the blower either way.
I like the Cam/springs advice.
If your stuck on boost, you could up the compression some, the Radix will get you 10lbs, you just have to set it up for that.
Old 05-20-2005 | 04:47 PM
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Originally Posted by WaitinToDrag
I just want to make power. id love to be over 400. i had 10 lbs on my 5.3 and if i can make more power on a 6.0 with only 7 lbs...im game for it

so....stock 6.0+radix+2.75" === ??

and would the be a good setup for a while?
Dude, a blown LQ4 will make 400hp easy. My LQ4 with a 3.1 pulley makes 7lbs of boost all day long
Old 05-20-2005 | 04:48 PM
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Originally Posted by WaitinToDrag
I just want to make power. id love to be over 400. i had 10 lbs on my 5.3 and if i can make more power on a 6.0 with only 7 lbs...im game for it

so....stock 6.0+radix+2.75" === ??

and would the be a good setup for a while?
I think you'd be well over 400 RWHP with that setup and a mild cam (212/218, 214/220, 216/222, etc.). A mildly aggressive cam (220/224) and you'd have a serious screamer on your hands.

Then you'd be looking at 10-bolt rear and 4L60 issues...
Old 05-20-2005 | 04:53 PM
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thats what i wanted to hear....thanks guys. i 2nd guess myself alot these days with all these combos. so looks like the 6.0 will be ordered monday.
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