Destroked LS1 Questions.....
Originally Posted by PREDATOR-Z
Take it with good heart.
GO BACK TO SCHOOL AND LEARN HOW TO SPELL.
At least we are educated morons.
GO BACK TO SCHOOL AND LEARN HOW TO SPELL.
At least we are educated morons.
but it's typical for a master of jackassery like your self would correct my grammer rather than add something technical
you aren't adding anything technical so what is your point 
...i guess bashing people 
...oh and maybe looking stupid while doing it... i don't think there is any more technical info that this guy can get now anyhow...he's been told quite a few ways to go about acheiving his goals
apologies for my "bashing" AM2...just didn't understand why you wanted to do what you were doing...and also did not know that you could really extend a power band that much
...i guess bashing people ...oh and maybe looking stupid while doing it... i don't think there is any more technical info that this guy can get now anyhow...he's been told quite a few ways to go about acheiving his goalsapologies for my "bashing" AM2...just didn't understand why you wanted to do what you were doing...and also did not know that you could really extend a power band that much
Last edited by 777; Sep 4, 2004 at 04:36 PM.
Originally Posted by rons 00z
you guys are morons. no really though how are you keeping this thread technical other than you think and mabey ideas your not so leave your a cancer to this thread he gave a goal and wants some feedback on how to accomplish it. hey i have an idea lets bore a ls1 block to it's max bore? ah thats stupid if the stroke isnt square then it's not worth biulding it either needs to be square or stroked. if you guys think it wont work then explain why it wont instead of sounding like an *** and just bashing the guy
Good post on "optimum engine dimensions" -
https://ls1tech.com/forums/generation-iii-internal-engine/207182-dimensions-optimum-motor.html
Originally Posted by Lostpatrolman
Since when is an engine a POS if it isnt square?? You have got to be kidding me. You build the engine according to its purpose. Most purposes dont need a square engine, is a c5r a squared engine?? No, so i guess they arent worth building. Tell the c5r team that there engine isnt square so they shouldnt have built it. Oh, why dont you go tell Colonel he is an idiot too. His engine is 4.155 bore x 4inch stroke. Not exactly square either. You really need to figure out what the hell you are talking about before you start bashing people.
Good post on "optimum engine dimensions" -
https://ls1tech.com/forums/showthread.php?t=207182
Good post on "optimum engine dimensions" -
https://ls1tech.com/forums/showthread.php?t=207182
that was sarcasim if anyone has been reading my post's the whole time i've been saying for him to use a resleaved ls1 block and keep the stock stroke that would probably be the best way for him to achive his goals unlike 777 and predator z those stupid ********* just say thats stupid use a sbc or just stroke the motor it's better. he has a goal in mind ladies we should give him pointers instead of bashing him <-------thats my point
oh and FYI i'm biulding a d stroked ls1 as well
biulding
grammer
GO BACK TO SCHOOL AND LEARN HOW TO SPELL.
unlike 777 and predator z those stupid ********* just say thats stupid use a sbc or just stroke the motor it's better. he has a goal in mind ladies we should give him pointers instead of bashing him
http://dictionary.reference.com/search?q=hypocrite
I agree with the others. It is best to keep rpm down low for better longevity. You can put fine power down in the moderate rpm scale, which would be best for dependability. He is just going to induce more turbo lag by going to a smaller displacement. Here is a very flat torque and HP curve. The numbers might not be crazy high, but a turbo can fix that. https://ls1tech.com/forums/attachmen...achmentid=7533 This is JS dyno sheet and figures. His combo is LS6 Head/224-580 cam 113 +2.
A setup like this would be excellent for autocrossing.
A setup like this would be excellent for autocrossing.
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Quote:
biulding
the word is Building
Quote:
grammer
the word is Grammar
Quote:
GO BACK TO SCHOOL AND LEARN HOW TO SPELL.
Quote:
unlike 777 and predator z those stupid ********* just say thats stupid use a sbc or just stroke the motor it's better. he has a goal in mind ladies we should give him pointers instead of bashing him
check this link out:
http://dictionary.reference.com/search?q=hypocrite
biulding
the word is Building
Quote:
grammer
the word is Grammar
Quote:
GO BACK TO SCHOOL AND LEARN HOW TO SPELL.
Quote:
unlike 777 and predator z those stupid ********* just say thats stupid use a sbc or just stroke the motor it's better. he has a goal in mind ladies we should give him pointers instead of bashing him
check this link out:
http://dictionary.reference.com/search?q=hypocrite
I agree with the others. It is best to keep rpm down low for better longevity. You can put fine power down in the moderate rpm scale, which would be best for dependability. He is just going to induce more turbo lag by going to a smaller displacement. Here is a very flat torque and HP curve. The numbers might not be crazy high, but a turbo can fix that. https://ls1tech.com/forums/attachmen...tachmentid=7533 This is JS dyno sheet and figures. His combo is LS6 Head/224-580 cam 113 +2.
A setup like this would be excellent for autocrossing.
A setup like this would be excellent for autocrossing.
i think it depends on how much power he wants to put down. i'm not even in the same ballpark as anyone who has any knowledge about FI, but if he wants power at real fast, a TT set up might work, he would get max boost much faster that way and wouldnt have to rev all the way to 8k rpms, also he wouldnt have worry about hp loss with a higher boost supercharger application.
Just something to add, I'm pretty sure the stock computer maxxes out at 8k or so. The tables just end.
Personally with all the money involved in a destroked built LS1 with a turbo setup, just build a bigger cube motor and have all the power NA, with a lighter package. You want 600hp? It's really easy NA with a stroker/bored motor. A 427 will put down 550rwhp easy. A turbo 346 will put down the same power easily as well. Destroking doesn't make much sense. A NA 427 will put down huge power across the entire powerband, 3-7kish.
Dope
Personally with all the money involved in a destroked built LS1 with a turbo setup, just build a bigger cube motor and have all the power NA, with a lighter package. You want 600hp? It's really easy NA with a stroker/bored motor. A 427 will put down 550rwhp easy. A turbo 346 will put down the same power easily as well. Destroking doesn't make much sense. A NA 427 will put down huge power across the entire powerband, 3-7kish.
Dope
yeah a spuercharger would work as well he could go with a vortech set up or ati if he wanted that would keep a good curve. but he would have more loss in power compared to a turbo. for max power and a rpm range of 4-7 or 8 a turbo would probably be better suited.
and as far as you stupid ***** correcting my spelling kiss my ***. i dont care it's the internet it's a tech site not a spelling site so blow me.
and as far as you stupid ***** correcting my spelling kiss my ***. i dont care it's the internet it's a tech site not a spelling site so blow me.
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Maybe he should just read Lingenfelter's articles and projects on turbo LS1's. I didn't see him destroking for the 750 hp twin turbo setup. But then maybe he was a moron and a ******** too. RIP.
lingenfelter is the best of the best, if i was rich i would own alot of their products, but i'm not. 
if only us f-body's had roots style superchargers. wait! how much room will there be above the engine? maybe the c5 magnacharger will fit under there?
if only us f-body's had roots style superchargers. wait! how much room will there be above the engine? maybe the c5 magnacharger will fit under there?
Teching In
Joined: Apr 2004
Posts: 25
Likes: 0
Originally Posted by 777
this to me seems like the dumbest idea i have ever heard of...i don't understand why anyone wants to rev the engine to 8k...you say so you have a longer power band...i don't think you can create a longer power band...you can shift them...but i doubt you can double your power band...rx7's rev so high because they have to make up for the lower displacement...this way they can spin the turbo at the same speed...since the turbo runs off of gases and not rpms a v8 will create as much exhaust gas as a 4 cylinder (or rotary in your case) of half the size at twice the rpms....secondly you can have an engine that is 500% more reliable and make the same power and the same times without destroking and whatever else you are talking about for less money...just get a forged 347 and throw a turbo on it if that is what you are wanting..."long gears" wouldn't be good for any type of racing if you ask me...except top speed i guess...but even then not a good idea in my book.
you dont seem to know anything about rotaries.
first, because of a rotary's design, they have an incredible exhaust pulse allowing them to spool a fairly large turbo.
ex: a rotary would want an exhaust a/r around 1.0 or a little lower for a good spool out of 80 cubic inches
but most people with turbo LS1s that i have seen are in the .65 area on the exhaust side.
that doesnt seem like they have problems with spooling to me
also they dont rev so high only to make up for displacement but so the the intake and exhaust ports dont overlap so much.
You know like a big cammed v8 has to rev a bit to get into the powerband.
but at least you can argue with and make fun of people that had a question
Originally Posted by swolbynos
you dont seem to know anything about rotaries.
first, because of a rotary's design, they have an incredible exhaust pulse allowing them to spool a fairly large turbo.
ex: a rotary would want an exhaust a/r around 1.0 or a little lower for a good spool out of 80 cubic inches
but most people with turbo LS1s that i have seen are in the .65 area on the exhaust side.
that doesnt seem like they have problems with spooling to me
also they dont rev so high only to make up for displacement but so the the intake and exhaust ports dont overlap so much.
You know like a big cammed v8 has to rev a bit to get into the powerband.
but at least you can argue with and make fun of people that had a question
first, because of a rotary's design, they have an incredible exhaust pulse allowing them to spool a fairly large turbo.
ex: a rotary would want an exhaust a/r around 1.0 or a little lower for a good spool out of 80 cubic inches
but most people with turbo LS1s that i have seen are in the .65 area on the exhaust side.
that doesnt seem like they have problems with spooling to me
also they dont rev so high only to make up for displacement but so the the intake and exhaust ports dont overlap so much.
You know like a big cammed v8 has to rev a bit to get into the powerband.
but at least you can argue with and make fun of people that had a question
Teching In
Joined: Apr 2004
Posts: 25
Likes: 0
Originally Posted by Lostpatrolman
Interesting, what rpm does a rotary engine hit full boost with a midsized turbo??
depends on your definition of midsize, but i know of a few people with 400rwhp with boost between 3500-4000 with an 8000rpm ceiling.
i also know a person that cant hit ffull boost till about 5500, but that is with a fairly monstrous turbo
so that would be comparative to a turbo that spools at 3k rpm (half the redline)
if 400hp doesnt sound like much, imagine 2600lbs and 4.10 gears with that power...