300 hp ls

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Old Mar 1, 2005 | 04:27 AM
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JdmEKCivic's Avatar
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Default 300 hp ls

Im working on my ls motor trying to get it to 300whp on low boost my ? is i have a choice of getting a 3" DP or a skunk 2 mani or would i see better goals getting both. Right now i have a bone stock ls with a 2.5 dp with a t3/t4. If any body has a similar setup that has that hp let me know your 1/4 times thks
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Old Mar 1, 2005 | 05:16 AM
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Default Re: 300 hp ls (JdmEKCivic)

upgrade to a 3" DP hands down, not only will u can a few extra ponies on low boost but u will see the turbo spool sooner also. and of coarse u will see better results with both. track times? i really cant help u with that because i run a built b16. but tuning is going to play ur number one role in reaching that 300hp goal on low boost
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Old Mar 1, 2005 | 05:23 AM
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Default Re: 300 hp ls (MONTCO Si)


you should worry about getting rid of that JUNK *** LS HEAD

you can easily hit 300 on a stock ls engine/intake manifold.......

i ran 12.4 @112 3.5 years ago, in a full wieght 92 civic SI... on a rev hard stage 2 turbo kit, pushing 10 psi, with an FMU for fuel managment.... i bet it wasnt even 300 hp. oh yea.... on BFG'S

here is the car/setup.... CAN YOU SAY RIGGED!!!!

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Old Mar 1, 2005 | 05:43 AM
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Default Re: 300 hp ls (Dturbocivic)

[QUOTE=Dturbocivic]
you should worry about getting rid of that JUNK *** LS HEAD

you can easily hit 300 on a stock ls engine/intake manifold.......


I do have a b16 head but if i take the ls head off to do the ls vtec i might as well build the bottom end and a thats what im trying to avoid if i can get the ls to 300hp then why bother going lsv
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Old Mar 1, 2005 | 06:06 AM
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m R g S r's Avatar
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Default Re: 300 hp ls (JdmEKCivic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JdmEKCivic &raquo;</TD></TR><TR><TD CLASS="quote">[QUOTE=Dturbocivic]
you should worry about getting rid of that JUNK *** LS HEAD

you can easily hit 300 on a stock ls engine/intake manifold.......


I do have a b16 head but if i take the ls head off to do the ls vtec i might as well build the bottom end and a thats what im trying to avoid if i can get the ls to 300hp then why bother going lsv </TD></TR></TABLE>

Just don't rev it too high, and with the low compression of LS/VTEC you can get some good hp AND tq numbers. . . .

****, throw on some apr headstuds, a thicker HG and tune and you should be set. . .
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Old Mar 1, 2005 | 06:52 AM
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Default Re: 300 hp ls (JdmEKCivic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JdmEKCivic &raquo;</TD></TR><TR><TD CLASS="quote">
I do have a b16 head but if i take the ls head off to do the ls vtec i might as well build the bottom end and a thats what im trying to avoid if i can get the ls to 300hp then why bother going lsv </TD></TR></TABLE>


slap the vtec head on the ls block, you dont need to build the bottom end. by putting the vtec head on the ls motor, you are making it alot easier for yourself to acheive your goals......

ok... in that same red HB, that i posted a pic of......

i had an ls engine, that went 15.3@?? mph... on the motor.

with a simple vtec head swap, skunk chipped p28, other than that, everything was stock...... the head i used was a b16 head from a 99si. the block was an ls block from a junkyard.

the car ran a 14.2 @?? mph....... how much easier can it get.

edit.... i was spinning the ls/vtec to 8500 rpm..
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Old Mar 1, 2005 | 07:28 AM
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Default Re: 300 hp ls (Dturbocivic)

check my sig. alittle over 300whp on a completely stock 93 LS
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Old Mar 1, 2005 | 07:39 AM
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Default Re: 300 hp ls (2000civicsi)

We just did a Revhard kit on a completely stock LS motor. It put down 295whp and 290tq on a Dynapak. Well, stock with the exception of a thicker Cometic headgasket and ARP headstuds....so actually we lowered compression on the setup. I did the a/c compatible 3" dp along with charge piping and it had crush bent 3" exhaust.
My vote goes towards the exhaust side of things
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Old Mar 1, 2005 | 07:44 AM
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Default Re: 300 hp ls (JdmEKCivic)

go to http://www.boosted-hybrid.com and look at his recent dyno of LS motor
made like 300 hp at 8 psi...take a look
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Old Mar 1, 2005 | 09:11 AM
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Default Re: 300 hp ls (12SEC CIV)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 12SEC CIV &raquo;</TD></TR><TR><TD CLASS="quote">go to
Originally Posted by 93LSivic
We just did a Revhard kit on a completely stock LS motor. It put down 295whp and 290tq on a Dynapak. Well, stock with the exception of a thicker Cometic headgasket and ARP headstuds....so actually we lowered compression on the setup. I did the a/c compatible 3" dp along with charge piping and it had crush bent 3" exhaust.

My vote goes towards the exhaust side of things </TD></TR></TABLE>http://www.boosted-hybrid.com
Originally Posted by 93LSivic
and look at his recent dyno of LS motor
made like 300 hp at 8 psi...take a look

thats what im talking about i have faith in these ls motors, my setup is pretty good , but i didn't dyno it yet i made my oppointment with jeff for somtime in march i just want to get 300 hp with the lowest boost possiable i know jeff could do it i just want to make his life easyer by getting the base motor with a much hp as possiable with out breaking it down. have anybody seen good results with the skunk I/M on a stock turbo ls? and i have a 3'' catback with a high flow cat and a 2.5 Dp i was thinking about a 3'' DP with a test pipe.

also quick ? i know that 300 hp is the safe max with stock sleeves but if i go to 300 with a conservitive tune what do you think the reliabialty factor would be
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Old Mar 1, 2005 | 09:32 AM
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Default Re: 300 hp ls (JdmEKCivic)

Sure with a good tune the reliabilty factor will be there, the question is how long will it stay reliable after a decent amount of time boosting the engine. Yeah of coarse a quality concervative tune will save the life of your engine but its only a matter of time before something goes. nothing is ever 100% reliable for a period of time on a stock engine. yeah people have gone a year or whatever it maybe on a stock block. But in my opinion a stock block is the weak link itself, its just a matter of time before something goes! just something to remember!
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Old Mar 1, 2005 | 09:38 AM
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Default Re: 300 hp ls (MONTCO Si)

NIce power out of your ls .
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