Debating remote mount
#1
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From: Montgomery, AL
I am seriously thinking about maybe putting a remote mount turbo on my wife's truck. We were looking at new vehicles but I think she would rather keep her Yukon. I am attracted to the turbo because I like a turbo, remote mount because I think it would be super easy and for the modest goals I have, meeting them wouldn't be an issue. I am looking for a LQ4 to swap in and maybe a small turbo friendly cam (or little hotter cam if I don't go turbo). How would a 67 mounted about where the back of the rear passenger door work running say 8-10 psi work? With a 2800 stall would it be laggy, would it make 400+ wheel? How loud would it be with the longest SI/SO Magnaflow behind the turbo?
#2
You wont need a muffler, it will sound great and have manners with out one.
A 2800 Stall will be fine, I had a PI 2800 in my STS Z71 truck, ran / drove great and acted like stock till you got on it.
I just dont like the Oil pump return on the remote kits, or the air intake.
Just not reliable enough for a women driver IMO.
Just make sure you get a snorkel and mout the air filter up as high as possible, no more automatic car washes. Truck will bog, ive been therre.
Also carry a spare oil pump and relay, mine failed while i was on vacation, had smoke pouring out the exhaust.
Not trying to scare you, just educate you of some of the probs,
I had a lot of fun with my rear mount and it sounded awesome, i miss that sound.
A 67 will work good, but be a bit laggy, i would Just run the 60-1. It spools quick and is great for a daily driver.
A 2800 Stall will be fine, I had a PI 2800 in my STS Z71 truck, ran / drove great and acted like stock till you got on it.
I just dont like the Oil pump return on the remote kits, or the air intake.
Just not reliable enough for a women driver IMO.
Just make sure you get a snorkel and mout the air filter up as high as possible, no more automatic car washes. Truck will bog, ive been therre.
Also carry a spare oil pump and relay, mine failed while i was on vacation, had smoke pouring out the exhaust.
Not trying to scare you, just educate you of some of the probs,
I had a lot of fun with my rear mount and it sounded awesome, i miss that sound.
A 67 will work good, but be a bit laggy, i would Just run the 60-1. It spools quick and is great for a daily driver.
#4
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From: Montgomery, AL
Tim Z it was actually your kit that had me thinking hmmmm.....then I saw you sold it. I don't think I would buy a kit from STS because I think we could put a kit together cheaper than what their kit sells for. At say 10psi would I need an intercooler, how wife friendly would that be? I am just thinking with a head and cam 6.0 that it might be too much for her. But a 6.0 with a small cam and turbo would be more friendly because turbos quiet exhaust and the cam would be something much smaller than what a NA motor would need to make my goal power (350 NA 425 FI)
#5
i like the idea of your placement its what Ive been wanting to do to the caddy, seems like the perfect spot on these suv's just behind the torsion bar cross member and whatever the that other cross member is just behind it. i always thought above the axle was too far back (about 3ft more pipe) although probably good for being a little quieter and having the air filter a little higher. you could probably run the intake pipe back into the engine compartment? just an idea. good luck
#6
Tim Z it was actually your kit that had me thinking hmmmm.....then I saw you sold it. I don't think I would buy a kit from STS because I think we could put a kit together cheaper than what their kit sells for. At say 10psi would I need an intercooler, how wife friendly would that be? I am just thinking with a head and cam 6.0 that it might be too much for her. But a 6.0 with a small cam and turbo would be more friendly because turbos quiet exhaust and the cam would be something much smaller than what a NA motor would need to make my goal power (350 NA 425 FI)
Yes, you will want an intercooler , even at 5 PSI the intercooler made a big difference!
Whats wrong with the 5.3 in it now? Mine ran great and loved the boost.
I mean a 6.0 swap will be sweet too, but dont sell the 5.3 short and avoid some work/ expense if you can.
To make the kit more reliable, like i said, :
Get a GOOD scavenger oil return pump, keep a spare pump relay .
Get a good hydraulic oil return hose made. Tap the valve cover or oil pan for return, that oil cap return that STS uses is not the best.
Mout the air filter where it will see the least amount of water.
Other than that have fun!!
#7
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From: Montgomery, AL
The 5.3 has 130k miles on it and I was thinking about putting it in my Samurai since the LS1 I was planning on using for it might be realocated to something else. I was actually wondering why you couldn't have a seperate oil tank for the turbo to get it's oil from instead of the motor. That way if the pump fails you only lose a turbo and not a motor and turbo. Also what about running the two cylinder banks (2 1/2") all the way back to a twin scroll turbo instead of running a single (3" or 3 1/2") to the turbo? Would that be better and help with spool time? I am just kicking the tires and idea around right now, I might just toss a cam and slightly worked heads on the 5.3 but I love turbos and really want a turbocharged SUV. The truck is lowered 3-5 so putting a turbo under the truck might not work for me anyway because of groud clearance. I really like the amount of torque that these set-ups make.
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#8
#9
Even with a lowering kit, you should still be able to fit the turbo under there. There's guys with a 4-6 and still running the rear mount. You can run a 67, 70 or even 76 and not have any lag issues. It's all about the A/R size you go with. My 60/.81 was more laggy than my 70/.68. If you go with the 6.0, get at least a 70 and probably 76. I've been running my STS for almost 4 years without any issues of water getting in it. I'm not using the snorkle either. As far as reliability, just make sure to tune on the conservative side and it will last a long time and be very dependable.
#10
Even with a lowering kit, you should still be able to fit the turbo under there. There's guys with a 4-6 and still running the rear mount. You can run a 67, 70 or even 76 and not have any lag issues. It's all about the A/R size you go with. My 60/.81 was more laggy than my 70/.68. If you go with the 6.0, get at least a 70 and probably 76. I've been running my STS for almost 4 years without any issues of water getting in it. I'm not using the snorkle either. As far as reliability, just make sure to tune on the conservative side and it will last a long time and be very dependable.


