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Old 06-15-2013, 09:00 AM   #1
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LQ4 6.0 3rd gen swap build thread

hey everyone thought I'd start a build thread just got a 6.0 long block from a denali i believe..gonna be rebuilding it and putting it on my 86 irocz i will be updating from time to time and posting progress and any issues i run into =) and of course picz!
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Old 06-15-2013, 09:02 AM   #2
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this will be my 2nd rebuild 1st v8 =) i know i need a rebuild book ant suggestions? and maybe where i should start from? heads-crank oil pan-heads?
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Old 06-15-2013, 09:44 AM   #3
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Pull the heads and intake, either upgrade or take them to a shop for some work
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oh! And some tacky mother****er with a green 05 or 06 V6 Stang on some 22's" on the corner of my block. **** that dude.
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Old 06-18-2013, 12:25 AM   #4
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Pull the heads and intake, either upgrade or take them to a shop for some work
what's a fair price for machine work?
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Old 06-18-2013, 12:33 AM   #5
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what's a fair price for machine work?
It gets expensive...
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oh! And some tacky mother****er with a green 05 or 06 V6 Stang on some 22's" on the corner of my block. **** that dude.
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Old 06-18-2013, 12:34 AM   #6
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Well price depends on what you want them to do?
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Old 06-18-2013, 01:28 AM   #7
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Well price depends on what you want them to do?
check the block to see if it's good and maybe machine the heads
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Old 06-18-2013, 01:34 AM   #8
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Originally Posted by Iroca86z28

check the block to see if it's good and maybe machine the heads
A mill isn't that expensive, port and polish isnt that bad, in fact you can probably port and polish themselves if you know how. Doing everything from port and polish, mill, valve seating etc can get pretty expensive. However I cannot give an estimate because a guy in the local car club does work for us pretty cheap so I'm not sure what ballpark normal prices are. Maybe someone can chime in with prices.
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Old 06-18-2013, 10:22 AM   #9
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A mill isn't that expensive, port and polish isnt that bad, in fact you can probably port and polish themselves if you know how. Doing everything from port and polish, mill, valve seating etc can get pretty expensive. However I cannot give an estimate because a guy in the local car club does work for us pretty cheap so I'm not sure what ballpark normal prices are. Maybe someone can chime in with prices.
i'd say call around for estimates and post what you find.
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oh! And some tacky mother****er with a green 05 or 06 V6 Stang on some 22's" on the corner of my block. **** that dude.
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Old 06-18-2013, 10:25 AM   #10
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Quote:
Originally Posted by Meatwad View Post

A mill isn't that expensive, port and polish isnt that bad, in fact you can probably port and polish themselves if you know how. Doing everything from port and polish, mill, valve seating etc can get pretty expensive. However I cannot give an estimate because a guy in the local car club does work for us pretty cheap so I'm not sure what ballpark normal prices are. Maybe someone can chime in with prices.
i went to school for automotive so i know a bit about all this unfortunately we only got to rebuild a 4cyl but i know the general process it's the experience and tools that im lacking lol but I'm sure i can do it my self but except milling if rather pay some one to do that i think it would be worth it to invest on a Chilton or hays book does anyone know which would have more detail than the other on a rebuild?
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Old 06-18-2013, 11:08 AM   #11
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i went to school for automotive so i know a bit about all this unfortunately we only got to rebuild a 4cyl but i know the general process it's the experience and tools that im lacking lol but I'm sure i can do it my self but except milling if rather pay some one to do that i think it would be worth it to invest on a Chilton or hays book does anyone know which would have more detail than the other on a rebuild?
So u have never been inside a gm v8. Ull love them. Push rod engine are pretty straight forward.
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Old 06-18-2013, 10:21 PM   #12
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So u have never been inside a gm v8. Ull love them. Push rod engine are pretty straight forward.
nope and i can't wait should be fun..ant preference on Chilton or haynes book?
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Old 06-29-2013, 01:21 AM   #13
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do you guys think i can achieve 400-450 rwhp with bolt on's, mild cam, tune with this swap?
once I'm done rebuilding it of course lol
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Old 06-29-2013, 08:07 AM   #14
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do you guys think i can achieve 400-450 rwhp with bolt on's, mild cam, tune with this swap?
once I'm done rebuilding it of course lol
Yeah, its possible
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oh! And some tacky mother****er with a green 05 or 06 V6 Stang on some 22's" on the corner of my block. **** that dude.
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Old 06-29-2013, 12:13 PM   #15
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Definitely do-able. Without much difficulty either.
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Old 06-29-2013, 01:28 PM   #16
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Just keep in mind that, the 400-450 rwhp you're after translates to 460-520 crank HP. Estimated of course. LQ4's factory rating is 300 ish HP at the crank and the LQ9 at best is 345hp at the crank...... they are truck motors and are cammed for torque. To reach the 450 rwhp would require an increase 150-175 crank HP. So to reach those numbers will require performance heads and more than just a mild cam, plus all the other bolt ons.
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Old 06-29-2013, 07:58 PM   #17
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Just keep in mind that, the 400-450 rwhp you're after translates to 460-520 crank HP. Estimated of course. LQ4's factory rating is 300 ish HP at the crank and the LQ9 at best is 345hp at the crank...... they are truck motors and are cammed for torque. To reach the 450 rwhp would require an increase 150-175 crank HP. So to reach those numbers will require performance heads and more than just a mild cam, plus all the other bolt ons.
very true I'm already starting my research reading up on ppl that did or are in the process of doing the exact same swap as me getting lots of ideas...my biggest issue i think so far is making my build legal to drive in CA =(
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Old 06-29-2013, 10:58 PM   #18
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Just keep in mind that, the 400-450 rwhp you're after translates to 460-520 crank HP. Estimated of course. LQ4's factory rating is 300 ish HP at the crank and the LQ9 at best is 345hp at the crank...... they are truck motors and are cammed for torque. To reach the 450 rwhp would require an increase 150-175 crank HP. So to reach those numbers will require performance heads and more than just a mild cam, plus all the other bolt ons.
If he swaps the 6.0 and does h/c with supporting mods, he will easily have 400 rwhp. With an LS6 intake, LT headers, P&P heads, and a good cam and a very dialed in tune, its not difficult with that engine at all.
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Old 06-29-2013, 11:14 PM   #19
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If he swaps the 6.0 and does h/c with supporting mods, he will easily have 400 rwhp. With an LS6 intake, LT headers, P&P heads, and a good cam and a very dialed in tune, its not difficult with that engine at all.
I wasn't saying it can't be done. I was saying its going to take more than just a "mild" cam, like he said in his original post. Plus was just throwing some numbers at him. He could hit the 400hp mark with mild cam. only the end dyno'd result will tell.
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Old 06-29-2013, 11:28 PM   #20
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Quote:
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Just keep in mind that, the 400-450 rwhp you're after translates to 460-520 crank HP. Estimated of course. LQ4's factory rating is 300 ish HP at the crank and the LQ9 at best is 345hp at the crank...... they are truck motors and are cammed for torque. To reach the 450 rwhp would require an increase 150-175 crank HP. So to reach those numbers will require performance heads and more than just a mild cam, plus all the other bolt ons.
Incorrect.

A 224/224 is a very mild cam....and will easily hit 400RWHP with a 6.0 and factory heads. Easily.
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