Rear mount turbo setup, how they work.
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Staging Lane
Joined: Feb 2015
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Rear mount turbo setup, how they work. Hey guys im kicking around the idea of doing a rear mount turbo with my new engine for my 2004 GTO. I'm new to this stuff, and basically want to know how these setups work. I tried researching but all I can find is "its the same just mounted at the back" Which yes, but im curious as to how the mount the turbo, do they mount them right on the exhaust pipe? do the weld a flange to the exhaust pipe to mount it, then run the charge pipe to the intercooler, then to the engine? also oil lines have to be a pain right? Anyway feel free to give advice. Thanks
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Joined: Apr 2009
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You would want a mounting system for the turbo.
The oil supply can be ran to the back & then use a scavenge pump to run the oil back to the front. I've also seen self-contained oiling systems on rear-mounts.
I've been tempted to try it at some point, just to do it, but I like having my turbos up front. I know on the surface it's all "ooh it's sooo easy just to mount it back there..." But the reality is it adds more plumbing, parts & hassle, IMO.
I'm in the middle of building a single system for my Goat. It's going on the drivers side up front.
The oil supply can be ran to the back & then use a scavenge pump to run the oil back to the front. I've also seen self-contained oiling systems on rear-mounts.
I've been tempted to try it at some point, just to do it, but I like having my turbos up front. I know on the surface it's all "ooh it's sooo easy just to mount it back there..." But the reality is it adds more plumbing, parts & hassle, IMO.
I'm in the middle of building a single system for my Goat. It's going on the drivers side up front.
do it, get your feet wet in turboing, if you like it keep it, if not put it up front.
its a good way to get into it. takes work to get right but so does front mounted. got a rear mounted ls1 Ta and so far the only thing broken is a trans lol gotta get a new 3600 stall.
its a good way to get into it. takes work to get right but so does front mounted. got a rear mounted ls1 Ta and so far the only thing broken is a trans lol gotta get a new 3600 stall.
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Joined: Apr 2009
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Do you have a build thread?
I'd like to see the set-up.
My take on it is you are doing less piping work, it's just up front.
Moving some things around to accommodate it just makes more sense for me rather than doing more plumbing.
But I agree, it's a good way to get your feet wet.
I'd like to see the set-up.
My take on it is you are doing less piping work, it's just up front.
Moving some things around to accommodate it just makes more sense for me rather than doing more plumbing.
But I agree, it's a good way to get your feet wet.
I replaced a China turbo with a BW S400 T4 flange in a rear mount Jeep Grand Cherokee SRT8.
In this installation the flange was simply welded to the pipe and several of the stock type rubber hangers support it. No muffler, the turbo outlet goes straight to the tips which are supported the same way. It works fine.
Turbo choice is different due to the distance from the engine. Consult the turbo suppliers.
It is a bit laggy, prob due to the turbo chosen. But once on the pipe it hauls ***. Right at 700 WHP for this one. 17 psi
In this installation the flange was simply welded to the pipe and several of the stock type rubber hangers support it. No muffler, the turbo outlet goes straight to the tips which are supported the same way. It works fine.
Turbo choice is different due to the distance from the engine. Consult the turbo suppliers.
It is a bit laggy, prob due to the turbo chosen. But once on the pipe it hauls ***. Right at 700 WHP for this one. 17 psi
With a rear mount turbo, try to avoid have catalytic converters ahead of the turbo. I've seen turbos become paperweights when the internals of cats come apart. Bob
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Joined: Jul 2010
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This is my old GTO single turbo setup. Pretty simple.
https://ls1tech.com/forums/forced-in...rbo-build.html
https://ls1tech.com/forums/forced-in...rbo-build.html
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