front vs rear mount turbos ?
Thread Starter
On The Tree
Joined: Jan 2013
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From: Regina, canada
front vs rear mount turbos ? Im an old guy thats been running big blocks for some time now, all you young guys have me hooked on this Turbo thing now
I like the idea of puttin the thing in the rear, I have no gas tank ( its in the trunk )
I run the car on the street and Pro class at the track and want to run low 10s, so I need about 525 horse.
My buddy at the wreckers sold me a LQ4 , and said lots of guys were running these with turbos, up to about 700 hp
I guess my question is,,, am I wasting my time going with a rear mount turbo,,I did talk to a STS dealer,,,lol, and he asked me why I want a rear mount ?
I like the weight advantage having it back there, and it keeps all the heat out of the hood area,,,
So, lets hear from you young guys, and if you have ANY ideas , just throw them out to me, Im here to learn a thing or two.
I like the idea of puttin the thing in the rear, I have no gas tank ( its in the trunk )
I run the car on the street and Pro class at the track and want to run low 10s, so I need about 525 horse.
My buddy at the wreckers sold me a LQ4 , and said lots of guys were running these with turbos, up to about 700 hp
I guess my question is,,, am I wasting my time going with a rear mount turbo,,I did talk to a STS dealer,,,lol, and he asked me why I want a rear mount ?
I like the weight advantage having it back there, and it keeps all the heat out of the hood area,,,
So, lets hear from you young guys, and if you have ANY ideas , just throw them out to me, Im here to learn a thing or two.
there are a few good front mount turbo kits for reasonable prices and are proven to be reliable i would just go with one of them unless you were dead set on the rear mount. and you can control the temps by wrapping all the pipes and getting a turbo blanket
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Joined: Jun 2011
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From: Milwaukee, Wi.
One of the things I was thinking of when deciding on a rear mount, was do I have the room for the turbos under my hood without butchering up my truck? I don't have much fabbing skills, so I would have to have someone fab up custom turbo headers. There is so much room under my truck and I can run cheap production shorty headers.
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Joined: Nov 2007
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The ONLY downsides to rearmount are spool times, oil return, and more piping. A lot of people will say that reamounts are garbage and take forever to spool, which is true if the setup isn't right. The same can be said of a front mount, although they are more forgiving. A rear mount is much pickier, as far as piping, turbo, engine setup... With everything right though, they work very well. A front mount will never have the underhood temps of a rear mount, not that my front mount every caused any trouble due to heat.
The most important thing you can do is research like crazy and find out what works and what doesn't. Enough compression, a custom cam, and keeping enough heat in the pipes is very important to spooling satisfactorily.
The most important thing you can do is research like crazy and find out what works and what doesn't. Enough compression, a custom cam, and keeping enough heat in the pipes is very important to spooling satisfactorily.
i would personally just do a front mount. its less tubing, you dont need an oil scavenging pump, and as far as heat goes, just have the hot side ceramic coated then wrap it. Im not a fabricator, and my buddy is a decent welder, and we managed to fab up a twin turbo hot side for my car, and were about to start wastegate placement and do the cold side. its a learning experience, and its a lot of fun.
Thread Starter
On The Tree
Joined: Jan 2013
Posts: 104
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From: Regina, canada
well, lol, Im still thinkin about the rear setup , until I hit a road block . IM not sure about the total weight of a turbo setup, but Im sure I could transfer 50 - 60 lbs to the back, but then add and subtract weight for piping and the extra turbo,,blablabla. more thinking,,,maybe I set the LS in and see how it looks.
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It all depends on how much power you want to make, how much room you have, what accessories you're keeping... It's definitely easier to keep all accessories and less underhood heat with a rearmount but the trade-off is lag, more piping, oil... They both have trade-offs and will get the job done very well.
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Front mount is the way to go,do not buy a sts kit new,you can find them everywhere for 1500 to 2500 with all the upgrades in great shape etc,my buddy has one for sale close to new for 2200,the main reason there are so many for sale is because after awhile everyone switches to front mount for the obvious reasons,but some love the rearmounts,they sound bad ***,install is a lil easier,imo if you do a rearmount look into comp oilless turbos,there are alot of good rearmount threads on here,best one imo is zombies car,
Thread Starter
On The Tree
Joined: Jan 2013
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From: Regina, canada
heres my thought,,,
I was going to run the stock truck manifolds with a tee, 2 1/2 " to a 3" all the way back on the drivers side to a single turbo, then 3 1/2 cold back up the pass. side to a intercooler, then into a ls6 intake.
I was going to upgrade the cam, and springs if needed, and the intake with throttle body.
Am I missing anything.?
Thread Starter
On The Tree
Joined: Jan 2013
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From: Regina, canada
I do agree, the STS seems a bit high,, but they need to make a buck as well,, they have a design !
If I knew what size I needed It would make things a bit easier, I only need 600 hp and the flywheel, and allow for a bit of lose doing the rear mount. And I need it so I wouldnt get too much lag,, a bit of lag would be ok,,I leave on a trans break, so I have a second of so to spool up !
If I knew what size I needed It would make things a bit easier, I only need 600 hp and the flywheel, and allow for a bit of lose doing the rear mount. And I need it so I wouldnt get too much lag,, a bit of lag would be ok,,I leave on a trans break, so I have a second of so to spool up !
Thread Starter
On The Tree
Joined: Jan 2013
Posts: 104
Likes: 0
From: Regina, canada
Front mount is the way to go,do not buy a sts kit new,you can find them everywhere for 1500 to 2500 with all the upgrades in great shape etc,my buddy has one for sale close to new for 2200,the main reason there are so many for sale is because after awhile everyone switches to front mount for the obvious reasons,but some love the rearmounts,they sound bad ***,install is a lil easier,imo if you do a rearmount look into comp oilless turbos,there are alot of good rearmount threads on here,best one imo is zombies car,
And , are these oil less turbos any good ?
TECH Regular
Joined: Nov 2007
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OK, I dont know for sure what size I need, Im thinking just a single,
heres my thought,,,
I was going to run the stock truck manifolds with a tee, 2 1/2 " to a 3" all the way back on the drivers side to a single turbo, then 3 1/2 cold back up the pass. side to a intercooler, then into a ls6 intake.
I was going to upgrade the cam, and springs if needed, and the intake with throttle body.
Am I missing anything.?
heres my thought,,,
I was going to run the stock truck manifolds with a tee, 2 1/2 " to a 3" all the way back on the drivers side to a single turbo, then 3 1/2 cold back up the pass. side to a intercooler, then into a ls6 intake.
I was going to upgrade the cam, and springs if needed, and the intake with throttle body.
Am I missing anything.?
Thread Starter
On The Tree
Joined: Jan 2013
Posts: 104
Likes: 0
From: Regina, canada
Front mount is the way to go,do not buy a sts kit new,you can find them everywhere for 1500 to 2500 with all the upgrades in great shape etc,my buddy has one for sale close to new for 2200,the main reason there are so many for sale is because after awhile everyone switches to front mount for the obvious reasons,but some love the rearmounts,they sound bad ***,install is a lil easier,imo if you do a rearmount look into comp oilless turbos,there are alot of good rearmount threads on here,best one imo is zombies car,
