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Old 11-04-2010, 07:08 PM   #1
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Default LQ4 build

Realistically how hard would it be to make an Lq4 put down more than 380+rwhp on a budget of $1500 without have to mill the 317 heads, as of to date I have (k&N CAI, magnaflow exhaust, fully built tranny which isnít even broken in, and Wheatley tune) I have LT sitting in my garage but Iím waiting for auto cal before putting them on. Iím trying to build a truck with good hp/torque numbers not a 12s truck cuz it is 4x4 and a DD. Any info would be great
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Old 11-04-2010, 07:26 PM   #2
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LQ4 with a tr224 cam full boltons should make 380 or close to it and be very driver friendly
Why no milling the 317s?
what about a set of 243 heads to up compression?

go in the dyno section look up truckshop
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Old 11-04-2010, 07:32 PM   #3
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Easy.
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Old 11-04-2010, 07:59 PM   #4
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Quote:
Originally Posted by grey matter 04 View Post
LQ4 with a tr224 cam full boltons should make 380 or close to it and be very driver friendly
Why no milling the 317s?
what about a set of 243 heads to up compression?

go in the dyno section look up truckshop
stock 243 heads or worked 243 heads? i didnt want to mill the heads cuz the machine shop here charges over $400 hr and they quoted me 6 hrs
and im not payin 2400 for worked heads its not a 8 second project plus ive heard good things about 317 and i kinda want to keepa Budget
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Old 11-04-2010, 08:19 PM   #5
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Holy **** wtf is wrong with your machine shop? You can buy some damn good heads for 2400
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Old 11-04-2010, 08:26 PM   #6
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Holy **** wtf is wrong with your machine shop? You can buy some damn good heads for 2400
thats what im sayin im just trying to get a lil more out of my truck i told the ower, i asked him what he was smoking cuz at that price id take a change with a belt sander lol
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Old 11-05-2010, 01:51 AM   #7
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stock 243s will up compression because of smaller cc chambers no mill needed
I can get 243/799s local for dirt cheap of NNBS trucks
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Old 11-05-2010, 11:50 AM   #8
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stock 243s will up compression because of smaller cc chambers no mill needed
I can get 243/799s local for dirt cheap of NNBS trucks
with 243 i take it the compression will be some where 10.0:1 roughly and i take it i can use standard/stock length pushrods with the lq4 if the 243s are not milled?
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Old 11-05-2010, 12:53 PM   #9
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Quote:
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stock 243s will up compression because of smaller cc chambers no mill needed
I can get 243/799s local for dirt cheap of NNBS trucks
How cheap?
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Old 11-05-2010, 04:51 PM   #10
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compression will be closer to 10.8 to1 i wanna say
2-300 a set depend on what mood the supplier is in and if he needs cash
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Old 11-05-2010, 04:51 PM
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