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Old 10-28-2009, 05:20 PM   #1
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lq4 Build. 500hp

Hey Im gonna be getting a LQ4 6.0 engine hopefully in two weeks. I plan on dropping it in my s10 and putting a t56 behind it. I wanna achieve about 500hp. I've been reading up on the ls1tech.com forum and searching on here quite abit. My question, with this being my first build, what are some known good parts to get (pistons, connecting rods, etc) Any specific ones that are relatively cheap? I've looked at Speed Pro a little bit. But this leads to my next question, would i be safe with keeping the same crank, pistons, connecting rods, and just getting the cyl walls honed assuming thats all this engine will need?

Would i then be able to just build up the top end and get a 10:1 cr that way? I want this engine for cruising the highway and beating the tuners (evo's, sti's, etc) but i will also take it to the track. I'd love to achieve mid 11's with this truck, but i know traction is my enemy.

I guess what would be some good parts to achieve this? I will probably do the ls6 intake or the FAST intake that SWEETS10V8 has.

Brandon
Old 10-28-2009, 05:48 PM   #2
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Re: lq4 Build. 500hp

supercharged 6.0 you'll kill the tunners. as for traction are you gonna do anything? 4 link?
Old 10-28-2009, 06:26 PM   #3
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Re: lq4 Build. 500hp

rwhp, i would suggest ls3 heads, fast lsxr 102mm intake, i would try to find some of jareds (current peformance wiring) longtubes if not brp makes some. i cant tell you a whole bunch about internals, but if you dont wanna pay 2k for the ls3/l92 heads you could always wait for the lsxrt intake from fast to come out, but the heads will help you a bunch.
sweets10v8 will be able to help you a bunch more.
Old 10-28-2009, 06:34 PM   #4
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Re: lq4 Build. 500hp

Dont the LQ4's have really stout bottom ends from the factory?
Old 10-28-2009, 06:36 PM   #5
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Re: lq4 Build. 500hp

Ya I want 500 at the wheels. Okay ill prolly do the FAST intake. I've heard many good things about it lol. When are the FAST heads supposed to come out and where can I find them. Are the stock pistons able to stand that much HP? And I've been lookin at Jareds headers and figured I'd go with them and ceramic coat them.

As for traction and suspension I'm not sure yet. I haven't looked. I know I do want to drop the truck 4/5 and get better shocks. Any suggestions for that aswell?
Old 10-28-2009, 06:44 PM   #6
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Re: lq4 Build. 500hp

i dont believe fast is making heads, and jared quit producing his longtubes, but fast is making a 102mm intake for the truck motors.
Old 10-28-2009, 07:01 PM   #7
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Re: lq4 Build. 500hp

Quote: Originally Posted by yz85608
i dont believe fast is making heads, and jared quit producing his longtubes, but fast is making a 102mm intake for the truck motors.
Wow I totally read that wrong lol. well maybe ill get the ls3 heads and get the intake from fast.

didn't know Jared stoped maiking them. Damn lol. Well what are the ones on his site?
Old 10-28-2009, 07:04 PM   #8
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Re: lq4 Build. 500hp

on the suspension i'd go with cal-tracs or slide a links there are alot of fast S10's running that set up.

Its kinda up to you if you want an all motor or a boosted motor?
Old 10-28-2009, 07:07 PM   #9
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Re: lq4 Build. 500hp

good luck man
Old 10-28-2009, 07:12 PM   #10
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Re: lq4 Build. 500hp

for now I would like to do N/A truck at this point. I would like to supercharge it later on. But that's a wayz away. Do u have any links for those suspension Links
Old 10-28-2009, 07:13 PM   #11
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Re: lq4 Build. 500hp

those are shorty headers, if you want 500 at the wheel N/A you will need these longtubes, brp hotrods makes mid's and longtubes, just there a couple of the primarys go outside the frame on the longtubes.
Old 10-28-2009, 07:24 PM   #12
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Re: lq4 Build. 500hp

Slide a Link
Old 10-28-2009, 07:30 PM   #13
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Re: lq4 Build. 500hp

Quote: Originally Posted by Dr. Steve
good luck man
Thanks man
Old 10-28-2009, 07:33 PM   #14
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Re: lq4 Build. 500hp

http://www.jegs.com/i/Competition+En.../2090/10002/-1 these are the slide a links.

Here is a link comparing caltracs vs slide a links.
http://www.s10forum.com/forum/f10/sl...-tracs-401961/

Heres a link for the caltracs.
http://calvertracing.com/cart/index....products_id=39

Since you have a 4 inch bore i would go with L92s they are good heads and cheap.
http://www.summitracing.com/parts/NAL-12582713

That and a nice cam with the FAST LSXR 102mm and longtubes i think you could be close.
Old 10-28-2009, 07:34 PM   #15
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Re: lq4 Build. 500hp

Thanks yz. When I get home and off my phone, on an actual computer ill check them out.

Ill look for the headers too. So am I far fetched with this idea?
Old 10-28-2009, 07:41 PM   #16
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Re: lq4 Build. 500hp

what is your budget? i would also look in the ls1tech : Dynamometer Results & Comparisons section. they have some proven combos that will get you close. a turbo would be the way to go. the 317 heads flow pretty good. so you really would not have to do much to them but clean them up.
Old 10-28-2009, 08:17 PM   #17
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Re: lq4 Build. 500hp

Quote: Originally Posted by basketball_00011
Ill look for the headers too. So am I far fetched with this idea?
well i don't like to assume things about people, but seeing your age and depending on how much your income is, it is a little far fetched, just the wiring harness is 1k unless you build your own, and headers are around 800, then the intake is 1k and heads and all that good stufff it will add up pretty quick. But that is just my opinion. are you in college or still in high school?
Old 10-28-2009, 08:51 PM   #18
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Re: lq4 Build. 500hp

Quote: Originally Posted by yz85608
well i don't like to assume things about people, but seeing your age and depending on how much your income is, it is a little far fetched, just the wiring harness is 1k unless you build your own, and headers are around 800, then the intake is 1k and heads and all that good stufff it will add up pretty quick. But that is just my opinion. are you in college or still in high school?

I completely understand what your saying. Im in college. At wyotech. I have no bills while im here in PA because i get a Rent and living check that covers them lol. I also work getting about 600 a month that is basically free spending money. So the money isn't so much of an issue. I dont plan on this being done in a month or anything. It will take time i know this.

I plan on slowly acquiring the parts.

But my question was more related to, If i dont rebuild the bottom end and just get heads and intake, can i achieve 500hp?
Old 10-28-2009, 08:53 PM   #19
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Re: lq4 Build. 500hp

Quote: Originally Posted by comgtsom
what is your budget? i would also look in the ls1tech : Dynamometer Results & Comparisons section. they have some proven combos that will get you close. a turbo would be the way to go. the 317 heads flow pretty good. so you really would not have to do much to them but clean them up.

I dont really have too much of a budget. I obviously dont wanna spend a million dollars, but if theres a part i want, i will save to get it. I dont wanna go cheap and i dont wanna get something i dont need. Ill check out the ls1tech topic. Thanks. I don't really wanna mess with turbo, atleast not now.

Brandon
Old 10-28-2009, 08:55 PM   #20
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Re: lq4 Build. 500hp

Quote: Originally Posted by Xtremechubs
http://www.jegs.com/i/Competition+En.../2090/10002/-1 these are the slide a links.

Here is a link comparing caltracs vs slide a links.
http://www.s10forum.com/forum/f10/sl...-tracs-401961/

Heres a link for the caltracs.
http://calvertracing.com/cart/index....products_id=39

Since you have a 4 inch bore i would go with L92s they are good heads and cheap.
http://www.summitracing.com/parts/NAL-12582713

That and a nice cam with the FAST LSXR 102mm and longtubes i think you could be close.

Thanks Xtremes. That will help out alot. I have a lot of bookmarks to save lol. Oh by the way guys, my truck is Ext. Cab, 99.

Currently it has a 2.2 4cyl in it, which yes i know i have to pretty much replace everything lol. But that's why they call this a project right

What do you guys prefer? Caltracs or Slide-a-Link
Old 10-28-2009, 08:57 PM   #21
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Re: lq4 Build. 500hp

okay being a wyotech helps a bunch because you have a place to work and get your machine work done if need be, and dyno and all that stuff, i would start with the motor and work from there anything can be done with time, i bought a 13k truck with 3 years of saving and paying cash, so this is pretty realistic for you, what is this going in first gen second gen, blazer truck?
Old 10-28-2009, 09:01 PM   #22
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Re: lq4 Build. 500hp

haha nvm. I just read the comparison of the Caltracs vs slide-a-link lol.
Old 10-28-2009, 09:05 PM   #23
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Re: lq4 Build. 500hp

Quote: Originally Posted by yz85608
okay being a wyotech helps a bunch because you have a place to work and get your machine work done if need be, and dyno and all that stuff, i would start with the motor and work from there anything can be done with time, i bought a 13k truck with 3 years of saving and paying cash, so this is pretty realistic for you, what is this going in first gen second gen, blazer truck?

Ya thats what I was thinking. I originally planned to bagg the truck and paint it while i was here but decided since i get a discount on pretty much everything I would build an engine while I had the opportunity. Im going to be here for a 1.5 yrs so Ill def have the time. And money shouldnt be too bad.

This is going in a 99 Ext Cab s10. it currently has a 2.2 (so slow )
The swap is going to cost the most i think. Considering I need a new tranny, driveshaft, differential. Where as if I would have had a 4.3 it wouldnt be that bad.
Old 10-29-2009, 12:33 PM   #24
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Re: lq4 Build. 500hp

I was talkin to my shop teacher today about my build and he said if I would like to achieve 500hp w/o forced induction that I would have to definately need to change the pistons to get a Higher comp. He said that I should have like a 12:1 cr.

So if i get different piston's will it be smarter to get Connecting Rods right away too?

What are some good Piston Kits to look for, any links? I still have to do some research on how to figure out compression ratio so Im not exactly sure on what to look for in it.
Old 10-29-2009, 06:59 PM   #25
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Re: lq4 Build. 500hp

I was under the impression that the lq9 had better pistons and rods. I thought the rods were the next best thing to the rods in the LS7? You will certainly want to run ARP rod bolts. You can always look for a small chamber head, or mill them to get the cr up.
Old 10-29-2009, 07:25 PM   #26
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Re: lq4 Build. 500hp

12 to 1 is damn high, you'd be running some serious premium through it. I'd say just go with forced induction so much power to be made and the bottom end is ready for it. you can add some l92 heads too increase the cr but the higher the cr the less your motor will like boost if you do go that route in the future. . . but its great for all motor power, add a hot cam and id say your getting pretty close to your goal. .
Old 10-29-2009, 07:27 PM   #27
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Re: lq4 Build. 500hp

LQ9's have more compression and a bigger cam. About 50 more HP. .
Old 10-29-2009, 08:04 PM   #28
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Re: lq4 Build. 500hp

Quote: Originally Posted by tyson_cbr
12 to 1 is damn high, you'd be running some serious premium through it. I'd say just go with forced induction so much power to be made and the bottom end is ready for it. you can add some l92 heads too increase the cr but the higher the cr the less your motor will like boost if you do go that route in the future. . . but its great for all motor power, add a hot cam and id say your getting pretty close to your goal. .
Idk about the Forced Induction yet. for some reason I don't want to do it lol. Well what's a good supercharger kit to get then? (just considering my options) And if I dont go FI what would be some good heads?

And ya i was thinking the same about the 12:1 cr. I was hoping for like 10.5:1. I want to be able to take it to a regular gas station and not have to worry. You know?
Old 10-29-2009, 08:12 PM   #29
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Re: lq4 Build. 500hp

yea premium is high priced, well its all high priced but as far as not going FI you might as well not even do an LS swap imo just build a 383 or something.
Old 10-29-2009, 08:20 PM   #30
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Re: lq4 Build. 500hp

well then what are some Supercharger kits? If I would go FI it would have to be supercharged. I dont really like turbo's.
Old 10-29-2009, 08:54 PM   #31
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Re: lq4 Build. 500hp

there are no kits, no one makes a bolt in application for a lsx swapped S10. you would have to get a unit then make it fit.
Old 10-29-2009, 09:03 PM   #32
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Re: lq4 Build. 500hp

i think there was someone who was going to procharge their 5.3, i forget the user name but it was a white s-10 c6 z06 wheels 17x19.5 to be exact, it had new model ss badges on it. but idk if he ever got around to doing it.
Old 10-29-2009, 09:25 PM   #33
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Re: lq4 Build. 500hp

hmm, i figured guys would just run an LS1/2/3/7 based S/C and just make it work but I guess its a little more complicated than that?? I mean if it bolts to the block what else would be a big problem?
Old 10-29-2009, 09:51 PM   #34
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Re: lq4 Build. 500hp

Quote: Originally Posted by Kampz69
there are no kits, no one makes a bolt in application for a lsx swapped S10. you would have to get a unit then make it fit.
Thanks for the info. That's what i kind of figured. I guess what i really meant was what are some good reliable superchargers? Something that would bolt on but obviously need to be fitted to work with an S10?

I've never really looked into Superchargers so don't know many good brands.
Old 10-29-2009, 09:53 PM   #35
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Re: lq4 Build. 500hp

Quote: Originally Posted by yz85608
i think there was someone who was going to procharge their 5.3, i forget the user name but it was a white s-10 c6 z06 wheels 17x19.5 to be exact, it had new model ss badges on it. but idk if he ever got around to doing it.
Okay ill search the threads and see if I can find anything. Thanks

Quote: Originally Posted by tyson_cbr
hmm, i figured guys would just run an LS1/2/3/7 based S/C and just make it work but I guess its a little more complicated than that?? I mean if it bolts to the block what else would be a big problem?
ya same here. guess not lol.
Old 10-29-2009, 11:21 PM   #36
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Re: lq4 Build. 500hp

Quote: Originally Posted by yz85608
c6 z06 wheels 17x19.5 to be exact
damn those are some wide ass wheels

Quote: Originally Posted by tyson_cbr
I mean if it bolts to the block what else would be a big problem?
getting it to fit! just because it fits the vehicle it was designed for doesnt mean it will fit in the tight S10 engine bay (most likely the opposite). i doubt the corvette procharger kit will work because it would but the blower through the radiator; the fullsize kit might be too tall; etc etc. the roots style blowers hit the heater core lines.

im not saying it isnt possible, like i said youd probably have to look at a bunch of LSx kits and see which ones would be the best fit, then modify it from there. philntx has a roots style on his blazer, and its totally badass
Old 10-29-2009, 11:24 PM   #37
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Re: lq4 Build. 500hp

Quote: Originally Posted by tyson_cbr
hmm, i figured guys would just run an LS1/2/3/7 based S/C and just make it work but I guess its a little more complicated than that?? I mean if it bolts to the block what else would be a big problem?
The belt trac to start then the top mount superchargers can't have a rear throttle body and if you have the front mounted throttle body the carrier pulley interfears with the heater core inlet and outlet. I think 500 is possible and if you want to upgrade pistons it can get kinda pricey for the good ones. Like a diamond set will cost you 800 for a set. Like others said the LQ9 has better pistons because in the LQ9's they upgraded to the free floating wrist pins and a higher compression ratio over the LQ4 from a 9.4:1 to 10:1
Old 10-29-2009, 11:26 PM   #38
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Re: lq4 Build. 500hp

hell yeah, im shaving the firewall and relocating the coolant lines for vintage air so that wouldnt be an issue for me. gonna check it out. shit i might not even run a/c just heat and defrost.
Old 10-29-2009, 11:28 PM   #39
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Re: lq4 Build. 500hp

Quote: Originally Posted by Xtremechubs
The belt trac to start then the top mount superchargers can't have a rear throttle body and if you have the front mounted throttle body the carrier pulley interfears with the heater core inlet and outlet. I think 500 is possible and if you want to upgrade pistons it can get kinda pricey for the good ones. Like a diamond set will cost you 800 for a set. Like others said the LQ9 has better pistons because in the LQ9's they upgraded to the free floating wrist pins and a higher compression ratio over the LQ4 from a 9.4:1 to 10:1
damn thats a lot of crap in the way, LQ4=forced induction LQ9=all motor beast
Old 10-29-2009, 11:29 PM   #40
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Re: lq4 Build. 500hp

you can also go with magnacharger. they that came on the ss silverado's. but you might have to some modifying to get it to work bc i think that ur heater core inlet and outlet are in the middle of the firewall.
Old 10-29-2009, 11:31 PM   #41
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Re: lq4 Build. 500hp

dang you all beat me too it. about magnacharger
Old 10-29-2009, 11:31 PM   #42
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Re: lq4 Build. 500hp

lol yep just covered that, thanks anyways . Hey you guys know if my flex fuel pump will fit in a normal non flex fuel gas tank?? From the looks of it my tank is way different looking than the one in my 2000 NON flex

Last edited by tyson_cbr; 10-29-2009 at 11:31 PM. Reason: omitted word
Old 10-29-2009, 11:40 PM   #43
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Re: lq4 Build. 500hp

Damn I got some thinkin and researchin to do.
So your sayin I could get stock lq9 pistons and thatd bump the cr up quite a bit. Maybe I could do that. Phils build is totaly sick. I'd love to have that. But like I said earlier. This IS my first build. Not saying I couldn't do it but I don't wanna complicate it too much and once im halfway in I don't wanna give up and scrap it. You know?
Old 10-29-2009, 11:44 PM   #44
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Re: lq4 Build. 500hp

yea, im saying go with an LQ4 if you wanna boost it, if your going all motor get a LQ9

You could get the 4 and put the L92 heads on it and it will up the cr until your ready for boost. . there a million ways to do this stuff just gotta pick a path and walk down it. Im about to make a thread for my ten million questions lol
Old 10-29-2009, 11:48 PM   #45
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Re: lq4 Build. 500hp

you'd have to change both the rods and the pistons. Yeah you don't want to give up on it in the middle of it or change directions 3-4 times threwout the build like me i started as a stock 5.3 build where i was going to do my own wiring harness. Then i changed my mind over and over now i'm in the middle of a 13k build that i just decided to go with a T56 so figure out what you really want and start planing then buying parts.
Old 10-29-2009, 11:53 PM   #46
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Re: lq4 Build. 500hp

Quote: Originally Posted by Xtremechubs
you'd have to change both the rods and the pistons. Yeah you don't want to give up on it in the middle of it or change directions 3-4 times threwout the build like me i started as a stock 5.3 build where i was going to do my own wiring harness. Then i changed my mind over and over now i'm in the middle of a 13k build that i just decided to go with a T56 so figure out what you really want and start planing then buying parts.
Ha good advice Your build is titties man great choice on the t56, def taking that route myself when my time comes
Old 10-29-2009, 11:57 PM   #47
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Re: lq4 Build. 500hp

Okay so after doing some searching the L92's i believe have a 70cc combustion chamber and the stock LQ4 317 casting has 71.06cc combustion chamber heads. So a jump in compression would be minimal if you ran the same thickness head gaskets as the stock LQ4 and milled the heads you could bump the compression up a good amount
Old 10-30-2009, 06:51 AM   #48
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Re: lq4 Build. 500hp

wow thanks for the info guys. I've been thinkin a little bit more, 500hp is alot of power. I could easily get 400hp right? I just want something quicker than my 2.2 right now. But id like it to be pretty fast at the same time. It'd be nice to pull up to mildly built camaro's and keep up or beat them.

What would a good CR be around? If I went with l92 heads and got different pistons, possibly rods, 400hp wouldnt be that hard correct.

Didnt the lq4 get like 300hp stock. And the reason I dont wanna go LQ9 is because everyone ive found is like $1000. The lq4 im lookin at is $750
Old 10-30-2009, 02:22 PM   #49
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Re: lq4 Build. 500hp

yeha but thats 250 dollars to get you 50 ponies away from your new goal of 400hp in a STOCK motor. But the LQ4 can easily make those numbers id say with the new heads, hot cam, and a decent tune.
Old 10-31-2009, 12:56 AM   #50
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Re: lq4 Build. 500hp

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