The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

Well, I have been throwing around exactly what I am going to do and have finally decided today after talking to a highly recommended, competant and honest machinist today.

I am putting together a higher comp LS/VTEC build and just kind of wanted to document the progress here, post some pics as I take them and then post the numbers when its all said in done. This will be going in my 91 Integra of course :)

Parts list (with prices):
- LS Block (~60k original miles) - $100
- Bore/Hone to 81.5mm - $150
- Assemble complete shortblock, crank micropolished - $450
- 9.5:1 Compression, 81.5mm CP Pistons (got the rods, pistons and GE LS/VTEC conv kit for $800)
- Eagle Rods with the 3/8" bolt
- OEM bearings
- OEM Waterpump, oil pump, seals, etc (whatever they cost)
- GSR head, Hotrex's old stock head with distro - $400 (this should bump my comp to about 9.9:1 or higher) :l
- ARP GSR Headstuds, new - $50 :P
- OEM timing belt
- some sort of adjustable cam gears

This will be mated to my current YS1 USDM GSR Cable Tranny (would like to rebuild and add a Quaife, someday)

I will be using a stock rad and all parts of my current turbo setup (IP Mani, SC34 turbo). I will probably get a nicer CCA Intercooler, use 2.5" charge piping all the way. I will keep my exhaust as is (2.5" from the downpipe back) except I will probably eliminate the cat or just add a cutout.

For daily I will probably do 8psi low boost and 1 bar high boost. At the track and on the dyno I may have the balls to take it to ~18psi or so but with the compression being so high and stock sleeves...i unno.

Tell me I'm crazy :P

Goal is to have everything in and done by April 1st 8)

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

I guess it would be dumb to say its all in the tuning, to you at least. :1

Good luck, and good tuning.

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

seems like it is going to be an awsome buildup and some all out tuning, maybe you should make the due date april 2nd instead of april fools day ;) lol

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

April 1st is key O0

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

nice, get lots of pics ;)

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

take many pictures. good luck with the build.

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

nice i hope to have my motor in the car by the end of march. when you said high comp ls/vtec, i was thinkin 11:1+ :P

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

ne crew out swingin this spring. weeeeee doggy.

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

if you plan on getting the crank polished id go with acl bearings not oem, and youll be spending about 12 bux per bearing too. but setup looks good, i think you should buy one of my charge pipe kits :) ill make you a deal:)

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

Good luck with the project :o

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

450 seems a little high for assembly and polishing the crank, i think i paid 100 to polish crank and i assembled my motor myself. also dont forget to BALANCE IT!!!!! center auto machine OWNS all

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

correction...........E&G machine ownz all

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

good luck mang.

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

can't wait to see your final #'s chris. should be worth the wait!

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

cool

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

Sounds really good...can't wait to see the finished product. Ought to make a good advertising piece for your tuning skills as well to go along with your business 8)

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

when i saw high comp i was hoping that you were going to go with ctr's like jeff did in the gsr. since you would know they were in there maybe it wouldn't break on the first run

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

April 2nd is my birthday. You can have it done in time to come up for my 30th birthday party!

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

$600 for the entire bottom end assembled and torqued down to spec. I may still do it...but I would prefer to learn on someone elses motor :P or a cheapo D-series build. Plus I really want to use this guy in the future to assemble my shop motors for me so its sort of a test. I am going to see what he can do about balancing but sometimes they want the whole rotating assembly, pulley, crank & flywheel, and well...the pulley and flywheel are on my car as we speak.

CTR dont fit this build...they arent forged and of course the compression is off the charts for a FI build without some major additives and race gas... a motor running straight meth maybe :S

Count me in you old bastard!

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

i want to see numbers and lots of pics. im working on my build i was going to go 9.8.1 and i thought that was high good luck and if you need a flywheel and crank pully i got some extra stock stuff laying around.

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

putting the bottom end together is easy as balls. Do that ---- yourself and save $600. As long as you have a repair manual for a 91 integra and a torque wrench, your straight. Oh and a feeler gauge and plastigauge. Any idiot can do it. ----, come to my garage and ill do it for a case of beer

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

xenocron If you need any help pm me, I appreciate the help with my crx the other week, O by the way I fix the idling problem. Thanks again for the help.
Steven,

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

didint you spin a bearing ;)

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

if you need a flywheel and pulley i got you, i have a stock gsr flywheel and crank pulley i can you bring you on the dyno day. just taking up space, but i recommend balacning

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

Sounds like a good setup.. I have some recomendations.. I have a low comp. LS/VTEC setup, simular to yours, LS block bored to 81.5mm, probe industries forged pistons 8.7:1, arp head studs, 1st gen b16 head and eagle h beam rods.

1st thing, use OEM Honda piston rings. I used Hastings, and under boost I was getting some blow by. If you're running more than 10 psi, put a good tune on it, I got a little aggressive with my timing. I started to get some detonation around 12psi with 25 degrees of timing. ;D

Good choice on the higher compression, lower compression sucks bottom end. Your setup will probably be about 10:1, which would be a good setup.

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

Hve your block/girdle line bored and your cranked matched all the way across so that your bearing will be the same all across the crank. Makes things really easy. Getting the bearings is the only hard part about doing the bottom end.

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

hey that sounds good Chris. I just got some little bugs worked out of my NA all motor lsvtec motor so I might call the dyno soon so we can take it and get it tunned finally. I know you probably dont remember me Chris. Talked to a while back. I will give a call later on when I get the appointment. You said IMP dyno right? I lost your business card :1

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

check out this guys worksheet, open it up in excel.

http://ffdet.com/members/jan/JniemiMBworksheet.xls

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

yea, but it wasnt anything from me assemballying the motor

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

Its an LS block...there is no girdle. He will be checking the crank for bearing clearances...if it needs a line bore, he will recommend it.

Again...I know I am competant enough to do my own build, I just really dont have the time and like I said, this is a test for this guy.

At 10:1 compression and 15-18 lbs of boost, this motor needs to be assembled completely correctly...there is no room for error :)

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

meh if it blows up, build it again, trial and error. how else do you learn? :P

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

on the build and the 10:1 compression I don't think your craszy at all..... I've alwayse felt that below 9.5:1 and lower it suck's the low end balls to get goin. the only think you may be crazy on is April 1st, unless you've already got all your parts ordered and they will show up with-in a month, then it will only take a day to build the whole motor.. maybe 2 with the machining. And if your worried about the cylinders', fill the block..?

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

I am doing a 10:1 B16 build at the moment for my EK. I Just wanna see some differences. Had a spare block and some SRP 10:1s laying around. I have never built a high comp boosted engine. Just curious to see how it performs. I will be comparing this to my 9:1 B16 in my drag car. :D

Good luck with your build Chris. I hoping to finally make it out to some meets this spring/summer.

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

The only thing I would be worried about is the sleeves, LS's aren't exactly known for having strong sleeves and haven't you cracked one before? I trust you know what you're doing though. High compression boost should be fun, good luck.

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

not ls's. b20s have shitty sleeves ;)

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

Yeah who knows...it's only .020 over...we'll see :)

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

I have seen a lot of cracked sleeve B18a threads though

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

You can balance your own pistons/rods with a $15 eGay 2000g scale.

Honduh B-series do not need spin balancing.

1) There are two main manufacturers of rings... since Hastings look identical to OEM when you have them side by side, and Rocket sez CPs have less sidewall drag than OEM while retaining excellent seal characteristics... I guess that lets you know how good Hastings are.

2) All Honduhs have large amounts of blowby, especially high CR and boosted engines. This is why a good PCV system, or better yet a slashcut in the downpipe to "suck" out the crankcase pressure, extends life in built Honduh engines.



Booyah, my commentary about LS/VTEC + stock block stuffs in rudebwoy's thread: https://www.homemadeturbo.com/forum/...?topic=56128.0

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

ever hear of o ringing the block with a copper wire to help head gasket seal? I dont know if you can do it on an open deck, but it would probably be a good idea with 18psi and 10:1 compresison

Re: The build. Finally made up my mind. High Comp. LS/VTEC Turbo, xeno-Stylz
 

bleh