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To go FI or build motor???

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Old Oct 7, 2005 | 03:07 PM
  #41  
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Yea that sounds like the ebst bet, than build my drivetrain and than forge it...... Can the hi-flo fit a t76 turbo and be reliable enuff for my standards? Thanks
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Old Oct 7, 2005 | 03:35 PM
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I believe the high flow kit can fit up to a T-88 turbo, so the T-76 should fit. It will be plenty reliable, im just not sure how well the t-76 would spool on the stock engine at a low psi level such as say 6 psi. Someone else might want to chime in on that issue. But how much HP are you looking to make? This is posted directly from their link for the hi-flo street killer kit: "All systems come standard with 304SS construction throughout (it would be an insult to our kit to offer any less of material quality) and our HF800 turbocharger. This base system is rated for a max of 800 horsepower, and we are offering a stage 2 system with our HF1100 turbocharger and upgraded intercooler for a $1000 option that is rated for 1100 max horsepower." It appears that the HF800 turbo is good up to 800 hp, which is pretty damn good as that is the turbo that is included in the base kit. You could upgrade to their larger turbo as well. Im not sure exactly what size the HF800 turbo is but it should be more than enough for any street driven car.
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Old Oct 7, 2005 | 03:38 PM
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my goal is over 700 hp to the rears. about 650 on pump gas and over 700 on race upping the psi
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Old Oct 7, 2005 | 03:38 PM
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Plus with a turbo (unlike a supercharger) your going to be able to up your levels of boost simply with a manaual boost controller, unlike a supercharger where your going to need to change belts. Also, no belt slippage problems with the turbo and you can up the boost right away once you get the engine forged. You will need a re-tune for the high boost levels but if your looking to upgrade in the future the hi-flo system looks to be a great kit for that as well. Plus, if you really want a different turbo, say a T-76 instead of their HF800 model im sure they could swing that as well.
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Old Oct 7, 2005 | 03:40 PM
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Yea that turbo should get you to those HP levels. Plus, if you get too large a turbo its gonna take much longer to spool on a stock CI engine and wont be that much fun on the streets.
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Old Oct 7, 2005 | 04:38 PM
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hmmmm, any more input of turbo set up..... more importantly, tranny issue...... input?
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Old Oct 7, 2005 | 05:07 PM
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Originally Posted by 98Z28MASS
If you get the bottom end forged and go for 8.5-1 compression I dont think your gonna be that happy with the results until you get that turbo or FI on it. Id say have ExoticPP forge for bottom end and go with you stock head and a big cam for now. Then save for some afr 225's or some stage 3 6.0 liter heads so you can then lower your compression which would be boost friendly. If you go for 8.5-1 right now without the FI your gonna be losing HP, especially if you stay with the stock cam and sotck heads.
i disagree....its been stated b4 that droping the CR a full point you lose somewhere in the neighborhood of 3-5% so do the math,lets say you make 400rwhp...drop it a full point and you lose WHOPPING 12-20hp and you DONT have to spend more money all over again for new heads and cam and such.its stupid to do things twice.For examply,PurEvl is making about 450rwhp on his 408 at 8.5:1 CR until his turbo kits finished.dont do things twice,be patient.
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Old Oct 7, 2005 | 05:36 PM
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Yea well... hummmm im def not doing the motor twice.... im either going to get the turbo and run 7psi or so and wait to build the motor or build the motor and save for turbo and start at 13 psi ish...... not sure where to go. tranny input?
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Old Oct 7, 2005 | 05:51 PM
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id say as long as you have a turbo kit that will be able to step up to the forged motor, might as well get the turbo kit and enjoy in the mean time. then when you get the money for a forged setup, you can reinstall the turbo setup on the new motor.

This way you enjoy the FI in the mean time, but are not limiting yourself right now.

Just dont get boost happy and up the boost pass where you are safe rwhp wise.
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Old Oct 7, 2005 | 06:37 PM
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Originally Posted by 2000 Tran Zam
id say as long as you have a turbo kit that will be able to step up to the forged motor, might as well get the turbo kit and enjoy in the mean time. then when you get the money for a forged setup, you can reinstall the turbo setup on the new motor.

This way you enjoy the FI in the mean time, but are not limiting yourself right now.

Just dont get boost happy and up the boost pass where you are safe rwhp wise.


We all start with good intentions, But we end up right here, with that decision.

Seriously, if money was not an issue, it'd be done all at once... Internals and the Turbo... doesn't always end up that way. Moreover, many LS1 owners enjoy a 500 rwhp FI application and make a smooth transition to forged internals and more boost a little farther down the road.
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Old Oct 7, 2005 | 06:42 PM
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alllrightyyyy than, sounds like many people think ishould go turbo before i build the motor....... tranny input? Anyone?
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Old Oct 7, 2005 | 07:05 PM
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Originally Posted by ddnspider
i disagree....its been stated b4 that droping the CR a full point you lose somewhere in the neighborhood of 3-5% so do the math,lets say you make 400rwhp...drop it a full point and you lose WHOPPING 12-20hp and you DONT have to spend more money all over again for new heads and cam and such.its stupid to do things twice.For examply,PurEvl is making about 450rwhp on his 408 at 8.5:1 CR until his turbo kits finished.dont do things twice,be patient.
Hadn't seen the sig yet... Badass.
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Old Oct 7, 2005 | 07:49 PM
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Originally Posted by Superman09
alllrightyyyy than, sounds like many people think ishould go turbo before i build the motor....... tranny input? Anyone?
I love shifting gears, but is it really worth it ($wise) to you to do that? I'd say the first thign you should get would be a 12-bolt. You're gonna need it eventually, so why not just get it now and have peace of mind. Then I'd say save up and try to do it all at once. If you cant wait, which you should, then forge your bottom end and even with lower cr youll still be satisfied until you can go FI. The run as much boost as you like and you'll be happy...for a while.
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Old Oct 7, 2005 | 08:22 PM
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Originally Posted by bboyferal
Hadn't seen the sig yet... Badass.
im getting so close i can almost taste it!did u check out Ed Blown Verts numbers with the same motor?im hoping for a bit more than that,i was talking to him about it and saw his vid....freaking sick setup.i get giggly like a schoolgirl every time i think about it

Originally Posted by Superman09
alllrightyyyy than, sounds like many people think ishould go turbo before i build the motor....... tranny input? Anyone?
just dont screw around with your tune or kiss the motor in the car now goodbye...another point is was trying to bring out is that you have like no down time the way i was saying and other are saying.which is always good for a DD.
as far as the tranny look in the boosted lists and see what others are running and follow suit tailored to you needs.
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Old Oct 7, 2005 | 08:56 PM
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alright thanks...... still not sure if i should do motor first for the turbo......
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Old Oct 7, 2005 | 10:20 PM
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Originally Posted by bboyferal


We all start with good intentions, But we end up right here, with that decision.

Seriously, if money was not an issue, it'd be done all at once... Internals and the Turbo... doesn't always end up that way. Moreover, many LS1 owners enjoy a 500 rwhp FI application and make a smooth transition to forged internals and more boost a little farther down the road.
Thats my plan, why fix something that aint broke (stock motor)
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Old Oct 8, 2005 | 07:23 AM
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Haha that is true..... but in this situation with this much money involved, if i built the motor before i blew it up, i can sell my good parts that i changed to help pay for the turbo, same with trans and rear! Soooooo still not sure to go turbo or motor first. If i go motor first i can have about 350-375 hp for a while and bullet proof motor ready for large boost as soon as i can get the turbo..... If i go turbo first, i can run like 7 psi to start and be at like 450 hp but will risk blowing my motor.... hmmmmmm, its really a question.... Do i need the power that bad that i can risk not having the money for more power later.... as in if i blow my motor it will take a ton of money to fix it so i wont have the money to make more power..... Right now it seems that motor first is best situation.... but other days i keep thinking i should go turbo first and get some power flowing!!! How about FLP trannys? Stage 4 or 5? Where can i buy those, are they def worth it? Ive heard good things
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Old Oct 8, 2005 | 07:27 AM
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Also what does frum roll mean in your sig? Prolly a stupid question but i dont know what it means. Must be a making fun of statement as Dom is in there ready to smoke that ferrari in his Supra!
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Old Oct 8, 2005 | 07:32 AM
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Originally Posted by Superman09
alllrightyyyy than, sounds like many people think ishould go turbo before i build the motor....... tranny input? Anyone?
Give Rodney at RPM Transmissions a call. Rodney builds of of my transmissions, and we've never had a problem at all. Bob
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Old Oct 8, 2005 | 10:22 AM
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Originally Posted by Superman09
Also what does frum roll mean in your sig? Prolly a stupid question but i dont know what it means. Must be a making fun of statement as Dom is in there ready to smoke that ferrari in his Supra!
Like the genuine street racers Vin and Paul, I believe he is asking for a race... from a roll, of course. They're in a Supra, after all.

It's a friendly nod, NOT, to the lovely movie that made strides for the streetracing scene, F & F.

I love that pic.
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