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TURBO IN BACK OF THE CAR????????

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Old Jun 14, 2003 | 08:04 PM
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Default TURBO IN BACK OF THE CAR????????

WHO HAS HEARD OF PUTTING THE TURBO IN BACK OF THE CAR,THESE GUYS SAY THEY PICKED UP 14MPH AT 7LBS OF BOOST ON A STOCK 93 Z28 AND IT INSTALLS IN 2 HOURS ! http://www.ufba.org/forum/index.php...y;threadid=3476
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Old Jun 14, 2003 | 08:07 PM
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Default Re: TURBO IN BACK OF THE CAR????????

http://www.ufba.org/forum/index.php?...;threadid=3476
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Old Jun 14, 2003 | 11:58 PM
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Default Re: TURBO IN BACK OF THE CAR????????

I can't view your post its all mangled. I have emailed Rick at STS and he is interested in the LS1 but wants to move a few LT1 kits out. He said he is getting people use to the idea of such a remote location but assured me it does work, all his kits are this way. I think its a plus the weight is in the back, good for the racer, the turbo isn't in the engine compartment to jack everything up(relocate everything). It has no cruddy fitting ehaust manifold because it mounts to the exhaust past the axle. The long discharge tubing acts as an intercooler because of the surface area. He said he will hit the board to "see" how we react and to pass out some info on his kits, I hope you guys are opened minded and willing to listen to someone who wants to help out in the LS1 FI world, options are good.
J
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Old Jun 16, 2003 | 09:18 AM
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Default Re: TURBO IN BACK OF THE CAR????????

how much does one of those cost?
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Old Jun 16, 2003 | 03:53 PM
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Default Re: TURBO IN BACK OF THE CAR????????

That's what I'm waiting to hear.

how much does one of those cost?
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Old Jun 17, 2003 | 12:14 PM
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Default Re: TURBO IN BACK OF THE CAR????????

probably cheaper then one with an intercooler
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Old Jun 17, 2003 | 12:21 PM
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Default Re: TURBO IN BACK OF THE CAR????????

Sign me up if there decently priced!
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Old Jun 17, 2003 | 12:43 PM
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Default Re: TURBO IN BACK OF THE CAR????????

Ok flame suit on!

This is a bozo setup.
Long tubing on the turbine side is NOT what you want. It dissapates heat and causes you to lose the velocity of the exhaust pulses.

I guess it would work for a tiny turbo which doesn't require much air to spool. But then again it won't produce much volume.

The tubing cost of going all the way back to the front of the car isn't gonna be cheap either.



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Old Jun 17, 2003 | 01:52 PM
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Default Re: TURBO IN BACK OF THE CAR????????

$3500

id rather spend the money and get a used turbotech kit for less then $3k, oh wait, i did.
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Old Jun 17, 2003 | 02:17 PM
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Default Re: TURBO IN BACK OF THE CAR????????

IMO that turbo setup is crap. Looks cool though.

Just wait until water hits that hot turbo and cracks the housing, or you get silicone tears, a rock bounces off it etc....

That turbo setup will have more lag due to the decrease velocity and temperature of the exhaust pulses.

Also, there is no sump with this kit that I can see.
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Old Jun 17, 2003 | 03:11 PM
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Default Re: TURBO IN BACK OF THE CAR????????

how do you oil it?
Cheers,
Chris
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Old Jun 17, 2003 | 03:22 PM
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Default Re: TURBO IN BACK OF THE CAR????????

What a joke
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Old Jun 17, 2003 | 03:50 PM
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Default Re: TURBO IN BACK OF THE CAR????????

you guys are sooooooooo quick to judge.

let him build one for a ls1 and then let the results speak for themselves.

who knows it just may work quite well.

if there was no experimentation/innovation in the world we would still be rubbing sticks together and picking berries

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Old Jun 17, 2003 | 04:47 PM
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Default Re: TURBO IN BACK OF THE CAR????????

i know very little about how this would really work but it would be soo much easier to set up than a manifold mounted unit(especialy for vehicles without premade kits) that it is worth looking at. many of these questions have been answered allready in that link.

they say water will not hurt it, in fact many turbos are mounted down low and are subject to geting hit with water. they do say geting it nice and hot and then completely submerging might be bad.

it has oil lines and a return pump to get the oil back to the pan.

the only real question i see here is will it really spin the turbine and how much more lag is there. they are telling people that the exhaust travels so fast from the motor to the turbo that it is only miliseconds slower, hell even if it is a full second slower that would be fine with me but only if it still pumped the air like it is suppose to.

someone needs to give this a try, i have to believe if it really worked even close to as well as under the hood people would have been doing it a long time ago but who knows

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Old Jun 17, 2003 | 06:05 PM
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Default Re: TURBO IN BACK OF THE CAR????????

Porsche Twin Turbo cars have the turbos lower than that kit and have no problems with the turbos cracking due to water or debris.
It has a pretty extensive self oiling system with its own pump, the long discharge tubing acts like an intercooler from the increased surface area of the pipe. **** I would hate to take all the tubing off my ATI kit and measure it all up to see how long the path is to the TB.
No turbo exhaust manifold to get screwed up, or have issues with clearance or fit due to a screw up on the manufacturers side.
The turbo is fed off the intermediate pipe so it has TWO banks feeding it not one so the spool up would be pretty quick.
But who knows? I would like to see one come out for the LS1, his name is Rick and his email is STSTurbos@hotmail.com and the company is Squire Turbo Systems, throw some tech at him to see what he can tell all you guys he's pretty cool. From what he tells me they make a lot of turbo kits for the off road set and SUV crowd.
J
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Old Jun 17, 2003 | 07:39 PM
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Default Re: TURBO IN BACK OF THE CAR????????

I think it is a cool concept. I would personally remove the rear bumper support and tuck the K&N up in there. (Extend the intake tubing)

Second thing I'd do is route the discharge tube to the front of the car coming up where the stock front bumper support would be and going straight to the MAF/throttle body. (then you could run whatever header config you like)

I am curious about:

How much boost they have seen.

What the IAT temps are like above ambient at full boost and cruise

How they actually mount the turbo

How exactly the oil return works. (The oil send is a piece of cake but the return would require some work/R&D)

I would seriously consider one for my car if the price was right and the gains were great.

I am not too worried about lag. If I run a transbrake on the line I'll have full boost right away and if I keep the six speed I'll still sixty like a bastage as the car makes 44X RWHP on motor.

I'd run a imp box, custom fuel system, 80# injectors, 110 unleaded and 15#'s boost.

Also how would it fit with a 12 bolt nine/inch under there?
Cheers,
Chris
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Old Jun 18, 2003 | 12:54 AM
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Default Re: TURBO IN BACK OF THE CAR????????

Hello LS1 guys. Had a request from one of your members to come over and see if I can answer some of your questions about our turbo kits. Probably can't answer them all right now as I have a ton of emails and I want to go to bed. Will take a few minutes and then try and come back often.

Our LT1 kit works real well, despite what conventional turbo system "rules" lead us to believe. The best way to remove all doubts is to do like the engineer from Garrett did, just drive one of our vehicles and you are convinced that the system works well and doesn't have the lag that you would think it would have. We just finished a 97 TA last week and are heading to the track on friday to do final tests. GTech Pro says, went from 15.0 @ 92 to 13.7 @ 107 w/ lots of tire spin. This is our basic kit which produces 5 psi boost.

Kit installs in more like 3 hours and utilizes all factory bolts and mounting (no hacking up your ride). Should clear 12 bolts and 9" rearends but haven't actually checked one - has fair amount of clearance on rear axle.

We've had lots of requests for the LS1 kit (as well as other applications) but will probably do LS1 kit next. Appreciate all your feedback and input as we are building this kit for you guys and value your ideas and expectations.

We are already starting a list of people who want to help with testing on a small batch of prerelease kits and also for those interested in the production kits.

Turbo is a Garrett T04E 60 trim w/ P trim turbine.
Wastegate is new TiAL 38mm unit.
Oil system is a "wet start" system
System is Patent Pending

Looking forward to spending some time over here talking with you guys. LT1 crowd has been great, excellent questions, suggestions, and concerns. We really do value your input and will do our best to provide a quality product that performs to your expectations. If anybody is local in Utah and wants to come by the shop just let me know.

Thanks, Rick @ STS
STSTurbos@hotmail.com
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Old Jun 18, 2003 | 02:45 PM
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Default Re: TURBO IN BACK OF THE CAR????????

I can do some testing for ya, pleeeeeeeease
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Old Jun 18, 2003 | 04:11 PM
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Default Re: TURBO IN BACK OF THE CAR????????

Hi Rick,
thanks for showing up, and throwing some info at us. I look foward to the developement of the LS1 kit.
keep us posted
Jeremy
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Old Jun 18, 2003 | 05:47 PM
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Default Re: TURBO IN BACK OF THE CAR????????

I sure it does work, not well but thats a different story. Its more a matter of how inefficient it is to run the turbo at the back and the amount of boost at the turbo compared to the intake. I would love to see those figures since thats what really counts. Also would you mind posting the name of the Garrett Engineer(s) you have talked to just want to confirm your information

Gary
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