To go FI or build motor???
Originally Posted by Superman09
Right now i am sort of leaning towards just getting the turbo kit and run it on 8psi ish and put down about 500. Than save to forge my block and max it out around 600-650 ish. But is that the best route? Should i save for the 408 instead or would that be too much of a hassle, I am really totally unsure of the best route to go. I really like the big lopey NA power but the whistle of the turbo. I would like a turbo set up, with lopey sound from FI cam and good power. I want over 700 to the rears. Thats my goal, best way to meet it?
do you race every weekend?
is it bracket racing or just the test & tune?
if this car isnt going to be a bracket car i'd build the 408 with 8.5 CR with
callies/lunati crank
lunati pro billiet rods
1/2'' studs
AFR/ET heads
then buy a dual nozzel or a DP kit and spray the **** out of it until the turbo arrives.
i had this same delima.
however i will be bracket racing almost every weekend.... so FI is not my best bet because of the huge fluctuations in air tempatures.
if its just going to be a sick street car... might even just build a 370... its cheaper and youll prolly never know the difference on the street...
650-800rwhp i dont think youll know the difference cause it wont ever hook up any ways
Yea, i may go to test n tune days like once a month if that, car wont see strip much at all if ever, mainly just a street warrior with 700+ goal. Whatcha think?
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Originally Posted by Superman09
Yea, i may go to test n tune days like once a month if that, car wont see strip much at all if ever, mainly just a street warrior with 700+ goal. Whatcha think?
if the car is mainly a street car then i typically wouldnt worry about getting too big of a turbo....
and 700rwhp is very attainable with a 370..
but then you have your fuel upgrades... thats where it seems like to get expensive... ex.
sumped take- 800
big fuel pump- 500
injectors- 500
fuel lines - 250
fittings- 175
rails - 150
the fact of all the fuel up grades and the inconsistent track times has detoured me away.
but if its a street only car consistency then turbo is sick...
in FI, when i added it up, its all the small things that make it soo expensive.
before you make any kinda decision on short blocks make sure and sit down with a calculator and paper and total it all up.
you can easily put $30,000 into the car.
drivetrain
fuel delivery
chassis
motor
body
tires
rims
it all adds up.... just make sure before you start, you know how much it will cost.
Have fun!
Yea, thats why im thinking of maybe getting the turbo now and run it basic, than upgrade my motor and fuel system later to up the boost...... Could i hit over 700 threw a stall A4 of my block now...built of course? Or in order to hit 700, do i need more cubes? Im bascially wondering if i even need the bigger motor? Or no?
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Just look at this list and you can see what numbers they run at the 1/4, what sized engine they have, and what HP they are making:
https://ls1tech.com/forums/forced-induction/361079-2003-2004-brand-new-2005-boosted-lists.html
https://ls1tech.com/forums/forced-induction/361079-2003-2004-brand-new-2005-boosted-lists.html
So your saying i should go ahead with the 408 and save for a while for the turbo kit and run low CR? I figure a total cost of around 10 grand for the 408 lngblock installed and what not and with a low CR, id get about 450 rwhp motor..... than save for a complete single turbo kit with all the junk to run13-15 psi on 93 octane (?) and over 700 on pump gas.... how much would the turbo set up cost for everything approx? Thanks
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Originally Posted by Superman09
Yea, thats why im thinking of maybe getting the turbo now and run it basic, than upgrade my motor and fuel system later to up the boost...... Could i hit over 700 threw a stall A4 of my block now...built of course? Or in order to hit 700, do i need more cubes? Im bascially wondering if i even need the bigger motor? Or no?
there are ford 302's making over 1800 hp....
when you have a small motor you have to be willing to spin it up higher...
you will have to do fuel mods wether you go big cubes or not...
EFI and FI mixed take a lot of fuel pressure...
if you think you will spend less than 15,000 on a 700rwhp+ FI motor you are kidding yourself...
it sounds like to me that you dont have the money to do it right now, and i hope that doesnt make you mad... becaues i know that i dont have the money to do that right now....
EFI with FI make an expensive toy.
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actually you can do a fully forged 408/402 with a full turbo kit for less than $20K, but thats not the point it seems to me that if ur unsure about what you want you need to wait b4 u do anything and search and search and read and read and learn about what combos work for what,anything over 500rwhp will pretty much destroy anything on the street which you can do on a stock shortblock and ~8psi.keep posting in here isnt helping saying that youre unsure,when youre getting the same answers repeatedly.look at the boosted lists and look mainly for cars that are pictured on the street to get an idea of what they run and the power they make,then use the search button in this section and in the dyno section to research stroker setups and FI setups to see what kind of power they're making on the street....then go from there and decide,and for what its worth on a 408 youll really need a T88 to keep it in the efficiency range which will/could make 1000rwhp if you wanted to.a basic 346 forged pistons and rods with a stock and a fairly decent turbo setup will net you 5-600rwhp,anything more than that and youre not really even using the hp because you cant hook it up,youre just saying "i have XXXrwhp".get "maximum boost" by corky bell and read up on turbos and hop on ebay and pick up books on ls1's theres 2 pretty decent 1's that explain everything you need to know on a motor build...for starters on a turbo setup you cant really get a really lopey rumbly idle like you could if the build was NA,however you can if you go with a sc instead.alot to think about.start searching..... 
Originally Posted by ddnspider
actually you can do a fully forged 408/402 with a full turbo kit for less than $20K, but thats not the point it seems to me that if ur unsure about what you want you need to wait b4 u do anything and search and search and read and read and learn about what combos work for what,anything over 500rwhp will pretty much destroy anything on the street which you can do on a stock shortblock and ~8psi.keep posting in here isnt helping saying that youre unsure,when youre getting the same answers repeatedly.look at the boosted lists and look mainly for cars that are pictured on the street to get an idea of what they run and the power they make,then use the search button in this section and in the dyno section to research stroker setups and FI setups to see what kind of power they're making on the street....then go from there and decide,and for what its worth on a 408 youll really need a T88 to keep it in the efficiency range which will/could make 1000rwhp if you wanted to.a basic 346 forged pistons and rods with a stock and a fairly decent turbo setup will net you 5-600rwhp,anything more than that and youre not really even using the hp because you cant hook it up,youre just saying "i have XXXrwhp".get "maximum boost" by corky bell and read up on turbos and hop on ebay and pick up books on ls1's theres 2 pretty decent 1's that explain everything you need to know on a motor build...for starters on a turbo setup you cant really get a really lopey rumbly idle like you could if the build was NA,however you can if you go with a sc instead.alot to think about.start searching.....
because all the other supporting pieces....
what good is 900rwhp if you cant hook it?
my drive train alone has cost me:
th350 2000$
converter- 700
drive shaft 300
rearend- 3000 installed with light weight brakes
shifter- 150...
this was built to hold 1000hp
Originally Posted by ddnspider
you never said all the supportive mods along with that,thats a totally diff ballpark,you said for a 408 motor and a full turbo kit.read your post that you made.
np....id agree with your original statement if u added in all supportive mods,and to be honest....i think 900rwhp prolli isnt gonna hook on the street anyways.i think superman isnt sure what he wants so hes going for the biggest baddest thing he can think of.he needs to do ALOT more research.
Okay Dokey, finally got a new computer that actually works. HP is my savior. Anyways, i think i have finally come to the conclusion to jsut go ahead and get a turbo kit, more than likely the Hi-Flo kit and run it at about 8 psi for now and hope for about 500 ish to the rears with full bolt ons. Im sure that will be great for tearin up the street. As for mor epower goes, later down the road i can jsut forge my motor now and run about 13-15 psi if i feel the need and that should be more than enough at about 650 ish roughly im hearing. Sound like a plan? Thanks men. Also for stock motor now and maybe later down the road more psi, what size turbo should i go with and does the hi-flo seem to be the most street friendly, DD kit out right now for the price? Thanks
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