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prc h/c package on lq4

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Old 03-29-2010, 09:52 PM
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Default prc h/c package on lq4

what kind of power number would i be looking at with this kit http://texas-speed.com/shop/item.asp...d=832&catid=47 with a Tv2 cam 112lsa on a stock bottom end lq4? what compression ratio? looks like a great set of heads to make my 450rwhp goals with.
Old 03-30-2010, 01:31 AM
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not sure those heads will quite give you your goals... I'm and LQ4 build with damn near 450 though... Might wanna take a look at my mine.
Old 03-30-2010, 03:33 AM
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how about the 5.3's to get the compression up. http://texas-speed.com/shop/item.asp...d=203&catid=47 this should put me in a better compression ratio range and they flow about the same as the ls6 heads
Old 03-30-2010, 03:41 AM
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I'm sure it'll help... but I still doubt you'll hit your 450 goal.

Have you looked at AFR or TFS heads?

what other mods do/will you have?
Old 03-30-2010, 04:07 PM
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kinda outta my budget. will be in the 86 monte. single plane vic jr., 780cfm quickfuel superstreet, hedman longtubes, 3 inch header back pypes duals with x pipe and cutouts. 3.73 gears 3200 stall.
Old 03-30-2010, 04:12 PM
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We've had the LS6 stage 2.5 heads & TSP camshaft make 100rwhp gains before. Do you have a baseline dyno run? The LS6 heads & Torquer 3 or Tsunmai would be a great option.

If you were looking to spend more on aftermarket castings we have some great options for the smaller camber/little bit bigger runner guys. I have PRC 227 heads with 62cc chambers!!
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Old 03-30-2010, 04:25 PM
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with the t3 cam would it keep me in the 3200 stall range, would it work better with the ls6 or the 5.3 heads, and how about lsa would i need to have it custom ground to work better with the carb?

Last edited by 509stroker_ace; 03-30-2010 at 05:25 PM.
Old 04-02-2010, 03:52 PM
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just got my custom specced cam from pat g. should be great. 230/238 .600”/.604” 111LSA +4 advance




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