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turbo system for my 5.2L

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Old Jun 21, 2011 | 05:42 PM
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Question turbo system for my 5.2L

so im looking for a turbo system for my truck, and i know sts has remote setups but im not a big fan of the idea, i guess if all else fails then thats what ill have to go with but id like not to. honestly id like to go with an under the hood application but its hard to find something. i know sdce has a twin turbo setup thats under hood and runs about 5100 for the base setup, but id like to see if there are any more options.
 
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Old Jun 21, 2011 | 05:46 PM
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get a procharger... thats under the hood. you arent going to have many options for a turbo setup...
 
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Old Jun 21, 2011 | 05:55 PM
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well thats right around the same price as the sdce twin turbo. i might as well go with that then.
 
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Old Jun 21, 2011 | 09:48 PM
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Not many guys have run turbo's on these engines, mostly because turbos can typically produce more boost than the engine can handle, and quickly. That and there are several aftermarket supercharger kits out there, or at least there were.

Turbos can be tuned of course, but that is an art of it's own. I don't think I'd run more than 6 psi of boost on a stock bottom end. you'll need to budget at least another $3k after all the turbo parts and install for a trans that can take the beating.

You'll need around $12-15k to really do it right. You'll need all forged internals, better heads, and a heavily modified trans to deal with it all, then you need a way to keep the wheels on the pavement.
 

Last edited by aim4squirrels; Jun 22, 2011 at 09:23 AM.
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Old Jun 21, 2011 | 09:49 PM
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Not many guys have run turbo's on these engines, mostly because turbos can typically produce more boost than the engine can handle, and quickly. That and there are several aftermarket supercharger kits out there, or at least there were.

Turbos can be tuned of course, but that is an art of it's own. I donny think I'd run more than 6 psi of body on a stock bottom end. you'll need to budget at least another $3k after all the turbo parts and install for a trans that can take the beating.

You'll need around $12-15k to really do it right. You'll need all forged internals, better heads, and a heavily modified trans to deal with it all, then you need a way to keep the wheels on the pavement.
 
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Old Jun 22, 2011 | 12:06 AM
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Boost gets expensive.

I turbo'd my 5.2. I built my own remote mount setup. I love it. I believe turbos are superior to superchargers in almost every way (especially centrifugal superchargers). I never have to worry about belt slip (most Magnum SC kits experience belt slip), no parasitic drag on the engine ( I still get the same MPG), boost is set with the wastegate and it makes the same boost at all elevations, boost comes in early and stays level, a centrifugal supercharger makes boost proportional to RPM.

PIE also makes a Magnum turbo kit, SDCE of course makes a twin kit and there was one other company but I can't think of the name off the top of my head. You could ways build your own. FWIW I have around $2500 into my setup.

Then you have to tune it. With your 01 you can run SCT with a 2BAR MAP and 42lb injectors. I went with Megasquirt and 42lb injectors and use a MSD BTM to retard timing under boost. Your auto wont like the extra power. The plenum in the kegger won't like boost. The motor itself will take more boost than most give it credit for, the headgaskets will be first to go at around 10 PSI, upgrade those and with a good tune, you can run more. Duner ran 10 second 1/4 miles for years on a stock bottom end 5.9 Dakota RT pushing over 15PSI and 6000+RPMs (estimated 650HP). It's all in the tune, if it gets lean under boost and sees detonation, say bye bye. With stock headgaskets, stick to around 7PSI for safety. Another reason I love Megasquirt, if the Wastegate fails I have overboost protection on to cut off the motor if boost exceeds 8.5PSI
 

Last edited by Hahns5.2; Jun 22, 2011 at 12:09 AM.
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Old Jun 22, 2011 | 02:33 AM
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Originally Posted by Hahns5.2
Boost gets expensive.

I turbo'd my 5.2. I built my own remote mount setup. I love it. I believe turbos are superior to superchargers in almost every way (especially centrifugal superchargers). I never have to worry about belt slip (most Magnum SC kits experience belt slip), no parasitic drag on the engine ( I still get the same MPG), boost is set with the wastegate and it makes the same boost at all elevations, boost comes in early and stays level, a centrifugal supercharger makes boost proportional to RPM.

PIE also makes a Magnum turbo kit, SDCE of course makes a twin kit and there was one other company but I can't think of the name off the top of my head. You could ways build your own. FWIW I have around $2500 into my setup.

Then you have to tune it. With your 01 you can run SCT with a 2BAR MAP and 42lb injectors. I went with Megasquirt and 42lb injectors and use a MSD BTM to retard timing under boost. Your auto wont like the extra power. The plenum in the kegger won't like boost. The motor itself will take more boost than most give it credit for, the headgaskets will be first to go at around 10 PSI, upgrade those and with a good tune, you can run more. Duner ran 10 second 1/4 miles for years on a stock bottom end 5.9 Dakota RT pushing over 15PSI and 6000+RPMs (estimated 650HP). It's all in the tune, if it gets lean under boost and sees detonation, say bye bye. With stock headgaskets, stick to around 7PSI for safety. Another reason I love Megasquirt, if the Wastegate fails I have overboost protection on to cut off the motor if boost exceeds 8.5PSI
first of all, FWIW ?? whats that haha next if i replace the intake manifold i wont have to worry about the keggar correct? next you say yours is a remote setup, where is it located? also im liking this price you said of 2500 is that for twin turbos? what and where did you purchase your parts because 2500 sounds a lot better than the 5k that all the other kits are running for.
 
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Old Jun 22, 2011 | 12:29 PM
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Originally Posted by Buck Slayer
first of all, FWIW ?? whats that haha next if i replace the intake manifold i wont have to worry about the keggar correct? next you say yours is a remote setup, where is it located? also im liking this price you said of 2500 is that for twin turbos? what and where did you purchase your parts because 2500 sounds a lot better than the 5k that all the other kits are running for.
FWIW=For what it's worth.

If you got with an M1 or Hughes manifold there is no more plenum.

Single turbo located under the bed. Twins add unessesary complexity for our application. I purchased parts from many places, eBay, Race Parts Solutions, Frozen Boost, Columbia River Mandrel Bends, DIY Auto tune, forum members, ect.
 
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Old Jun 22, 2011 | 12:35 PM
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Did you build your Megasquirt ? What options do you have with it ? Turbo is the way to go. No belts to deal with. From my research on SCT and boost is its more of a work around or hack if you will. No vehicles were offered with boost and the JTEC pcm so there's no Map's for boost ect.
 

Last edited by tweeker909; Jun 22, 2011 at 12:39 PM.
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Old Jun 22, 2011 | 01:54 PM
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Originally Posted by Hahns5.2
FWIW=For what it's worth.

If you got with an M1 or Hughes manifold there is no more plenum.

Single turbo located under the bed. Twins add unessesary complexity for our application. I purchased parts from many places, eBay, Race Parts Solutions, Frozen Boost, Columbia River Mandrel Bends, DIY Auto tune, forum members, ect.
are you happy with the single turbo? and what unnecessary complexity does it add? also how much boost are you running with the single? and last but not least honestly what is the benefit of running twin turbos over the single?
 
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