Sleeper kit redesign input

Here at Mental Addiction we are always trying to improve our products so they are quality, make good power, look great and are easy to install..
With this in mind we come to the Sleeper tubo kit.As it stands the Street Sleeper turbo kit uses a GT28RS and an external wastegate(Tial 38mm) that is plumbed back into the downpipe.Many in the turbo kit business's that offer external wastegates vent it to atmosphere because of easy to build and install..
Right now everyone that has bought the Sleeper kit get's caught up installing the downpipe.This is because they install the turbo to the manifold, install the wastegate to the manifold and then try and install the downpipe(the wastegate pipe is attached to it).What happens is the turbo can move on the manifold 1/8" up/down and the wastegate will move 1/8 side to side and when installing the downpipe it looks like nothing lines up.I then get a phone call and I tell them to loosen up EVERYTHING and then install the downpipe.They do this and it lines up.My concern is while they are installing it and run into this they are pulling there hair out cursing up a storm because they think it doesn't fit(when they are needing to install everything loosely and fit the parts then tighten down).If they PM me or call and don't get ahold of me right away their fustration level hit's the roof because they need their car running because it's the only one or what ever the case might be. When they finally get ahold of me they feel dumb because they where pissed because they didn't think of it or read it in the instructions.
So the idea of redesigning the Sleeper kit has been on my mind to ensure a smooth install.

Because of the stock cooling fans the GT28RS internal wastegate can not be used because it hit's the fan shroud.
This is what I have inmind and I want your input.
The redesigned kit will feature the following:
Stainless Steel Tubular manifold(same as the Thumper kit)
GT28RS or GT2871R Ball bearing turbo internally wastegated or a GT32 internally wastegated(the GT32 is good for 520HP and is not ball bearing.The kit would be $200 cheaper with the GT32)
2.5" stainless steel downpipe
Boost Sc. BPV or HKS SSQV BOV

The intercooler and piping after the intercooler will be the same and the kit will still will be powedercoated and Jethot coated.The difference in the kit will be internally wastegated and have a tubular manifold.The price tag would be $3695 without engine management for the GT28RS,GT2871 $3850 or $3495 with the GT32 without EM.We offer a few different engine managements that are taylored to your needs.
We are also getting ready to do our non-intercooled kit and before we do this I want to get the redesigning out of the way.
 
this would work great for people who have to pass a visual inspection... you ever think about doing something like begi with the shorty DP? I would be tough to design with the PS lines and hoping that the wastegate doesnt get stuck open.
 
that sounds like a nice improvement, I can only imagine how much time making all of those tubular manifolds is going to take since you now use the same one for both kits..
 
Gt32... How does that spool up... sounds huge.
 
i just want to say that you do Great work and even tho i like the tubular mani better -- dont sell your self too short -- i know that they are not easy and to offer the sleeper kit with the tube and not raise the price much -- well ,, im sure you and others can see what i mean ----

either way i hope to some day have a kit --- and i like the tube mani :)







ps - i read instructions -- hehehe
 
Why not a log type mani and have the turbo up high, then use a spal fan in place of the main fan and keep the A/C fan? That's how mine is and it fits nice with the T3/T4. I'll show you on Saturday when we meet. I have a Merkur DP housing thing bolted to the turbo that has a nice radius on it and a spot fo rthe first O2. It's rust's like s*** because it's cast, but works fine.
 

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beau i say dont do it, and this is why:

1) i am the moron that started this when i sheared off the bolts. what i did wrong was i bolted the mani, then the wastegate and tried to mount the downpipe after.

2) i sent the downpipe and stuff back to beau and he retapped and recoated the parts.

3) i got it back as one whole piece, wg, mani, and downpipe. i EASILY put the whole piece in together as one piece AND was able to get to ALL the bolts on the mani. simply put it in as once piece and youll be good.
 
Bigg Tim said:
Why not a log type mani and have the turbo up high, then use a spal fan in place of the main fan and keep the A/C fan? That's how mine is and it fits nice with the T3/T4. I'll show you on Saturday when we meet. I have a Merkur DP housing thing bolted to the turbo that has a nice radius on it and a spot fo rthe first O2. It's rust's like s*** because it's cast, but works fine.



The Sleeper kit uses a Log manifold with the turbo up high.
 
Mental Addiction said:
The Sleeper kit uses a Log manifold with the turbo up high.

So just include a fan so the turbo will clear. Then you just redo the DP and you should be good.
 
i think we can start by cleaning up the directions a bit. also, add pics of each and every part/labeld etc..(not that i needed it, ha!) you know, if i did another install tomorrow i don't think i'd have a problem at all. experiance is the best teacher.
 
The Sleeper kit redesign is under way.We will be using a GT28RS or GT2871, Stainless steel Tubular manifold(same design as the Thumper manifold), internally wastegated and Jethot ceramic coated for great looks and lower underhood temps.
 
Beau, I'll wait for the redesign, since I keep waiting anyways. Do you have an expected completion date?
 
just a quick question from a turbo newbie. whats the difference between an internal and an external wastegate? Also what are the pros and cons for each of them?
 

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