Rearmount Turbo??

Mighty Stang · January 5th, 2012, 05:20 PM

Alright guys as most of you probably know, I'm gunna go F/I this summer. I was leaning towards a D1sc and building an engine later on the road but i started asking around with people who have done stuff like that and they say its tons and tons of money to get your car to high horse power. So I'm shooting for around 400rwhp with a 2.1kb. Some kid chatted me a facebook today and we started talking about cars and his crown vic that he wants to turbo and he asked me why don't I. I have way to much money into my headers to sell them and do a turbo. So he asked me what about a rearmounted turbo? I told him i haven't seen one before. So i was just wondering if anyone has every done a rearmount or if its even capable or doing it. Pros and Cons such on. Thanks

Shaun03GT · January 5th, 2012, 05:36 PM

I don't know exactly, but there's a reason no one does a rear mount turbo. They have a slower spool time.

sv650lex · January 5th, 2012, 05:39 PM

STS makes rear mount turbos. I checked their website and they only make them for 05 and up. You could build you own rear mount but with all the fab work it would be easier to replace you headers. It would also be cheaper to replace them if you aren't able to fab your own pipes.

LGHTNG02GT · January 5th, 2012, 05:42 PM

i like the centri blower idea. especially if you dont want to loose your headers. i myself will be undertaking a turbo set-up for my 4v swapped GT. looking to get 400rwhp with 6-8psi. the biggest pro to running a turbo IMO is the efficency. they take no power to run as to where a blower will rob some power to turn. (probably very negligable)

there are plenty of guys on here at/near/over 400rwhp so it would seem that it isnt all that difficult to do. all you gotta do is throw boost and more fuel at it lol. but be careful because as we all know, our stock rods/pistons arent real great.

03Black2v · January 5th, 2012, 06:31 PM

Rear mounts are terrible. Slower spool time, you could hit a bump and destroy the turbo etc... Get the d1sc. Centri FTW

Cabikejumper · January 5th, 2012, 06:34 PM

Yep. Way too much piping and will have too much turbo lag.

dhicks7806 · January 5th, 2012, 06:37 PM

I'm a turbo fan through and through but would not do a rear mount...

Sent from my Autoguide iPhone app

Mighty Stang · January 5th, 2012, 06:37 PM

I was thibking more of the kb bcs I don't care much for the track. just a fun street car

03Black2v · January 5th, 2012, 06:39 PM

Who says a D1 can't be fun on the street? After like 2k rpm's I believe, the torque and hp evens out the the centri will have more hp per psi than the KB. Eagle put a chart that shows it.

Shaun03GT · January 5th, 2012, 06:47 PM

I honestly have a blast with the centri on the street. I've driven a turbo car, and my buddys cobra. i enjoyed the centri most. Then turbo. That's just me

Scott2001GT · January 5th, 2012, 06:53 PM

Originally Posted by dhicks7806

I'm a turbo fan through and through but would not do a rear mount...

Sent from my Autoguide iPhone app

Second that

Scott2001GT · January 5th, 2012, 06:54 PM

Originally Posted by Shaun03GT

I honestly have a blast with the centri on the street. I've driven a turbo car, and my buddys cobra. i enjoyed the centri most. Then turbo. That's just me

What was the turbo car?

tp88 · January 5th, 2012, 07:16 PM

Its been done before. It just doesn't seem like it would be a fun street car with all the lag.

http://youtu.be/1VEmiP9noKA

Sounds good though
http://youtu.be/E_BX9mlUTH8

Cabikejumper · January 5th, 2012, 07:20 PM

Originally Posted by dhicks7806

I'm a turbo fan through and through but would not do a rear mount...

Sent from my Autoguide iPhone app

I want your sti.

04/05 blobs are my favorite. Miss my 02 wrx

number1gt · January 5th, 2012, 07:21 PM

Stick with the kenne bell if that's what you want, it'll still get you to where you want and it sounds mega bad ass

LGHTNG02GT · January 5th, 2012, 07:26 PM

Originally Posted by Cabikejumper

Yep. Way too much piping and will have too much turbo lag.

i couldnt even imagine the piping to do this. i dont even know who came up with such a system honestly. seems almost as bad as those electric superchargers lol.

but to OP, a kenne belle will make for a nasty set-up. you should have no issues hitting 400rwhp with one. but it seems they are a bit pricey. a centri can be done on the cheap. Shaun has a good how-to on this

i like the whistle of them and the fact that you can run a cool BOV with one

Mighty Stang · January 5th, 2012, 07:27 PM

Shaun why did you like the centri better? Just wondering. Bcs you can feel it go into boost or what. Yeah I looked all over youtube and only Found a few mustangs that were built for drifting that had rearmount turbos.

ytngt · January 5th, 2012, 07:27 PM

Originally Posted by Mighty Stang

I was thibking more of the kb bcs I don't care much for the track. just a fun street car

So far nothing beats the KB for fun factor. 315 tire shredding power at 20# but built shortblock.

WickedSnake00 · January 5th, 2012, 07:36 PM

Rear mount turbo's are the real deal. If you recall they did one on a Lightning on Trucks! and if I'm not mistaken Doug Van Den Brink's car runs one. They are a perfectly viable power adder. Most companies sell them as a universal kit.

However-
As mentioned about 14 times before, slower spool time. There's a greater volume between cylinder and turbine so of course you'll notice more of a delay.

The converse of this is on the compressor side as well. Think about all that piping. There's a greater opportunity for instability, as well as a longer time for boost to reach the manifold!

Not to mention expect less power from a comparable setup. Part of the energy in the exhaust gas isn't just kinetic, it's thermal. You'll lose a lot of heat from the manifold to the turbine, so there's less efficiency right there.

Of course the result of all this added equipment is greater weight. Never good.

And what puts the nail in the coffin for me, is the oiling system. You'll need lots more oil, and likely a remote oil pump to maintain pressure in the bearing. That's usually what happens to rear mount guys. The pump shits the bed or something else goes on, bam, your turbo is fried and you're boned.

I personally wouldn't do it. Centri or KB will be much easier and more efficient.

Cabikejumper · January 5th, 2012, 07:48 PM

Originally Posted by LGHTNG02GT

i couldnt even imagine the piping to do this. i dont even know who came up with such a system honestly. seems almost as bad as those electric superchargers lol.

but to OP, a kenne belle will make for a nasty set-up. you should have no issues hitting 400rwhp with one. but it seems they are a bit pricey. a centri can be done on the cheap. Shaun has a good how-to on this
i like the whistle of them and the fact that you can run a cool BOV with one

One of my old friends cousins friend or some shit had a sts on his ws6.

Had ridiculous amount of piping. Was fairly quick after hitting boost.

January 5th, 2012, 05:20 PM	#1
Mighty Stang Hardcore Enthusiast 2003 mustang gt reallly slowwww Join Date: Aug 2010 Location: MN Posts: 1,255 iTrader: 0 reviews	Rearmount Turbo?? Alright guys as most of you probably know, I'm gunna go F/I this summer. I was leaning towards a D1sc and building an engine later on the road but i started asking around with people who have done stuff like that and they say its tons and tons of money to get your car to high horse power. So I'm shooting for around 400rwhp with a 2.1kb. Some kid chatted me a facebook today and we started talking about cars and his crown vic that he wants to turbo and he asked me why don't I. I have way to much money into my headers to sell them and do a turbo. So he asked me what about a rearmounted turbo? I told him i haven't seen one before. So i was just wondering if anyone has every done a rearmount or if its even capable or doing it. Pros and Cons such on. Thanks __________________ Minnesota! Too many exterior mods.....3:73 Gears, BBK Long Tube, O/R H Pipe, Stainless Magnaflow, JLT Ram Air MGW Short Throw Shifter, FLSC, MM C/C plates, H&R SS Springs,

January 5th, 2012, 05:36 PM	#2
Shaun03GT I Post Entirely Way Too Much 2003 Mustang GT 1/8 - 7.92 @ 91.13mph 1/4 - 12.21 @ 115.84mph Join Date: Sep 2009 Location: Weymouth, MA Posts: 13,442 iTrader: 12 reviews	I don't know exactly, but there's a reason no one does a rear mount turbo. They have a slower spool time. __________________ Vortech V1 Intercooled @ 11psi 394rwhp/392rwtq @ 9.5psi 415rwhp/400rwtq @ 11psi on Methanol Tuned By: Pete @ Performance Dyno Affordable Supercharger Build Guide Supercharger Info for Noobs

January 5th, 2012, 05:42 PM	#4
LGHTNG02GT Hardcore Enthusiast 4V swapped '02 GT (2v) 13.9@101 Join Date: Apr 2009 Location: H~Town, PA Posts: 1,757 iTrader: 10 reviews	i like the centri blower idea. especially if you dont want to loose your headers. i myself will be undertaking a turbo set-up for my 4v swapped GT. looking to get 400rwhp with 6-8psi. the biggest pro to running a turbo IMO is the efficency. they take no power to run as to where a blower will rob some power to turn. (probably very negligable) there are plenty of guys on here at/near/over 400rwhp so it would seem that it isnt all that difficult to do. all you gotta do is throw boost and more fuel at it lol. but be careful because as we all know, our stock rods/pistons arent real great. __________________ BSD 100MPH Club YMR #8975 4v Swap and a little Purple Bottle MM Nitrous Club #7 MM Cobra Club #87

January 5th, 2012, 06:37 PM	#7
dhicks7806 Regular 2003 Mustang GT Join Date: Dec 2011 Location: Palmerton PA Posts: 252 iTrader: 0 reviews	I'm a turbo fan through and through but would not do a rear mount... Sent from my Autoguide iPhone app __________________ '03 GT w/BBK CAI, MAC Pro chamber, Borla Stingers, MGW Orange, SCT X3, and some make it sexy mods '89 GT 5.0 w/full bolt ons-SOLD '04 STi w/ A'pexi N1 catback and accessport-SOLD '00 Audi A6 2.7t stock - DD/Wifey's whip

January 5th, 2012, 06:37 PM	#8
Mighty Stang Hardcore Enthusiast 2003 mustang gt reallly slowwww Join Date: Aug 2010 Location: MN Posts: 1,255 iTrader: 0 reviews	I was thibking more of the kb bcs I don't care much for the track. just a fun street car __________________ Minnesota! Too many exterior mods.....3:73 Gears, BBK Long Tube, O/R H Pipe, Stainless Magnaflow, JLT Ram Air MGW Short Throw Shifter, FLSC, MM C/C plates, H&R SS Springs,

January 5th, 2012, 05:39 PM	#3
sv650lex Newbie Join Date: Jun 2009 Posts: 38 iTrader: 0 reviews	STS makes rear mount turbos. I checked their website and they only make them for 05 and up. You could build you own rear mount but with all the fab work it would be easier to replace you headers. It would also be cheaper to replace them if you aren't able to fab your own pipes.

January 5th, 2012, 06:47 PM	#10
Shaun03GT I Post Entirely Way Too Much 2003 Mustang GT 1/8 - 7.92 @ 91.13mph 1/4 - 12.21 @ 115.84mph Join Date: Sep 2009 Location: Weymouth, MA Posts: 13,442 iTrader: 12 reviews	I honestly have a blast with the centri on the street. I've driven a turbo car, and my buddys cobra. i enjoyed the centri most. Then turbo. That's just me __________________ Vortech V1 Intercooled @ 11psi 394rwhp/392rwtq @ 9.5psi 415rwhp/400rwtq @ 11psi on Methanol Tuned By: Pete @ Performance Dyno Affordable Supercharger Build Guide Supercharger Info for Noobs

January 5th, 2012, 07:16 PM	#13
tp88 Regular 2004 mustang gt Join Date: Sep 2010 Location: Houston/pearland tx Posts: 305 iTrader: 0 reviews	Its been done before. It just doesn't seem like it would be a fun street car with all the lag. http://youtu.be/1VEmiP9noKA Sounds good though http://youtu.be/E_BX9mlUTH8 __________________ Vortech Intercooled hitech stage 2 cams 373 gear 75mm tb and c&l plenum bbk l/t 410rwhp 390ft lb @7psi image host

January 5th, 2012, 07:21 PM	#15
number1gt Hardcore Enthusiast 2002 mustang gt Join Date: Jan 2010 Posts: 1,896 iTrader: 1 reviews	Stick with the kenne bell if that's what you want, it'll still get you to where you want and it sounds mega bad ass __________________ Rock stock

January 5th, 2012, 07:27 PM	#17
Mighty Stang Hardcore Enthusiast 2003 mustang gt reallly slowwww Join Date: Aug 2010 Location: MN Posts: 1,255 iTrader: 0 reviews	Shaun why did you like the centri better? Just wondering. Bcs you can feel it go into boost or what. Yeah I looked all over youtube and only Found a few mustangs that were built for drifting that had rearmount turbos. __________________ Minnesota! Too many exterior mods.....3:73 Gears, BBK Long Tube, O/R H Pipe, Stainless Magnaflow, JLT Ram Air MGW Short Throw Shifter, FLSC, MM C/C plates, H&R SS Springs,

January 5th, 2012, 07:36 PM	#19
WickedSnake00 MM's king of Neon's 404 - car not found 17.81@87 Join Date: Aug 2010 Location: Diesel Engine Capital of the World, Columbus, IN Posts: 7,374 iTrader: 0 reviews	Rear mount turbo's are the real deal. If you recall they did one on a Lightning on Trucks! and if I'm not mistaken Doug Van Den Brink's car runs one. They are a perfectly viable power adder. Most companies sell them as a universal kit. However- As mentioned about 14 times before, slower spool time. There's a greater volume between cylinder and turbine so of course you'll notice more of a delay. The converse of this is on the compressor side as well. Think about all that piping. There's a greater opportunity for instability, as well as a longer time for boost to reach the manifold! Not to mention expect less power from a comparable setup. Part of the energy in the exhaust gas isn't just kinetic, it's thermal. You'll lose a lot of heat from the manifold to the turbine, so there's less efficiency right there. Of course the result of all this added equipment is greater weight. Never good. And what puts the nail in the coffin for me, is the oiling system. You'll need lots more oil, and likely a remote oil pump to maintain pressure in the bearing. That's usually what happens to rear mount guys. The pump shits the bed or something else goes on, bam, your turbo is fried and you're boned. I personally wouldn't do it. Centri or KB will be much easier and more efficient. __________________ Official Secondhand Snake Build Thread Here Looks Like a Cobra, Sounds Like a Cobra, Tastes Like a Cobra, Not a Cobra. For Sale: P71 Interceptor motor

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