Turbo J Pipe on Stock Manifold

[canucksafari]

I saw this on one of the Kiwi forums "Off-road Express" and was wondering what the ubrew turbo builders thought of this concept. Yes, this one is butt ugly and could be built nicer and stronger. However, the poster says it has held out well. My question, is this a decent way to go until a proper turbo manifold can be had or built? Besides the obvious flow restriction by the tight J-loop, what other draw-backs would you expect?
Thread: patrol turbo j pipe | New Zealand 4wd Forums Offroad Express

 

[Wheelingnoob]

I saw this on one of the Kiwi forums "Off-road Express" and was wondering what the ubrew turbo builders thought of this concept. Yes, this one is butt ugly and could be built nicer and stronger. However, the poster says it has held out well. My question, is this a decent way to go until a proper turbo manifold can be had or built? Besides the obvious flow restriction by the tight J-loop, what other draw-backs would you expect?
Thread: patrol turbo j pipe | New Zealand 4wd Forums Offroad Express

It all depends on the weight and use, if the pipe was to think and the set-up heavy I would expect to have problems with stress cracks and exhaust leaks. I do not think that elbow would cause a noticeable flow restriction (at least not to the point you would see it in power or EGT's). Other issues are first of all space for it all and heat, you are adding a very large heating element there (pipe) so you need to make sure everything around it is safe.

I was going to do something similar on my brother HJ60 turbo set-up be we flipped the manifold instead and made it fit that way.

 

[canucksafari]

I can't flip my manifold. Heat isn't an issue, as I can make a heat shield for it and nothing is very close to the manifold. The J-pipe and turbo mount could be braced to the manifold heat shield mounting bolts. I think I would do a flex pipe up close to the dump pipe to reduce jarring and vibration. Still ...

 

[Adam R]

I did something similar for my 2L years ago. It worked fine until I picked up a proper turbo manifold.

Adam

 

[BC40]

Bunch of 3B's and 2H's have been turboed with adaptor elbows/pipes. Some looked ok, some are ugly .

 

[Wheelingnoob]

I can't flip my manifold. Heat isn't an issue, as I can make a heat shield for it and nothing is very close to the manifold. The J-pipe and turbo mount could be braced to the manifold heat shield mounting bolts. I think I would do a flex pipe up close to the dump pipe to reduce jarring and vibration. Still ...

I think the idea of adding a flex to the down pipe is a good one, after the flex I would recommend securing the pipe to the engine or trans with a bracket. This will keep the weight of the exhaust from hanging off the flex and j pipe. The flex then allows for heat expansion and in the j pipe and turbo. I would not brace the j pipe to the manifold as the j pipe expands with heat it needs to move if its braced it will not be able to move and could cause cracking issues. For materials to make the J pipe I would recommend sch 40 pipe, its cheap thick and works great for making turbo manifolds.

 

[Tapage]

running this one for years .. ( I was debating about flipping my exhaust manifold back then )

 

[jzilla]

I like the parts container Tapage

 

[canucksafari]

I like the parts container Tapage

LOL I do the same slicing windshield washer fluid containers in half. Good for parts trays, trip trays, tool trays, etc.

Thanks everyone for all the feedback and recommendations. If anyone has more pics of the J-pipe installed with the turbo, I'd like to see them.

 

[cody c]

I put a block off plate on the stock manifold. then drilled a hole and welded on some pipe and a flange for the merkur turbo. It works well and is a lot less kerjumbled than that.

Not that it isnt functional, but for the amount of fabrication involved it seems way over complicated and would produce alot more heat in your engine compartment, as well as take up a fair bit of space.

Incidentally I am planning to build a new manifold out of something shiny (stainless) and selling the old one off of my 3B.

 

[canucksafari]

Incidentally I am planning to build a new manifold out of something shiny (stainless) and selling the old one off of my 3B.

Won't fit for me. The appeal of this idea is to quickly fab up something until I can get around to a proper turbo manifold. You may be right about it not taking much more to have the flange and turbo mounting plate cut and build a proper manifold out of steam pipe.

BTW, Steve at EBI will have new 3B turbo manifolds for sale soon. I believe they will be copies of the 13BT stock manifold which Toyota no longer has for sale.

 

[cody c]

Won't fit for me. The appeal of this idea is to quickly fab up something until I can get around to a proper turbo manifold. You may be right about it not taking much more to have the flange and turbo mounting plate cut and build a proper manifold out of steam pipe.

BTW, Steve at EBI will have new 3B turbo manifolds for sale soon. I believe they will be copies of the 13BT stock manifold which Toyota no longer has for sale.

What engine? 3B, 2H etc? Which turbo are you fitting?

 

[canucksafari]

Nissan TD4.2 as in the pic. Stock manifold is not flippable but found on the TD4.2T in some UD trucks in the US. I've never found one on a CL search. Best price for a aftermarket turbo manifold is from Auz or NZ is about $500 plus shipping.

 

[Dougal]

It works, but it's not good for a few reasons.
1. Loses a lot of heat and heat is turbo food.
2. The extra length damps out the exhaust pulses and exhaust pulses are also turbo food.
3. Structurally awful
4. Heats up the engine bay a lot.

 

[canucksafari]

Dougal, do you know anything about this kit on Trademe? Nissan TD42 Turbo Kit Combo EXTERNAL *OFF ROADER* | Trade Me I am not familiar with the company or the turbo. The price has me thinking this is way to cheap to be a decent turbo kit.

 

[Dougal]

Dougal, do you know anything about this kit on Trademe? Nissan TD42 Turbo Kit Combo EXTERNAL *OFF ROADER* | Trade Me I am not familiar with the company or the turbo. The price has me thinking this is way to cheap to be a decent turbo kit.

Never heard of them.
I notice there are no air pipes or hoses/joiners in the kit.

 

[cody c]

Dougal, do you know anything about this kit on Trademe? Nissan TD42 Turbo Kit Combo EXTERNAL *OFF ROADER* | Trade Me I am not familiar with the company or the turbo. The price has me thinking this is way to cheap to be a decent turbo kit.

Looks legit.

Except for it being a kiwi company, probably owned by the kiwi mafia and built in the sweatshops of stewart island, using cheap labour brought in from melbourne Id bet.

Do a search for scarles turbo on google and see what you find in reviews.

 

[canucksafari]

They appear to be put together in NZ. The turbo brand is that of a Kiwi company Scarles Performance, Performance car parts which claims not to offer Chinese turbos. It would be naive to think there are no Chinese made components. The TD4.2 seems to be a new market for them from the turner market. The one review I read had them sending the purchaser 3 manifolds before they got stud holes correct. Well, at least they got it correct.

The manifold doesn't look to be much more than steam pipe bends welded together. With the amount of pipe, I bet it has a lot more surface area and tube length than adding a simple J pipe to the stock cast manifold.

 

[Dougal]

This is what Scarles actually say about their turbos.

Sick of those cheap no branded Chinese turbos? That are so cheap, some of them are "glued together." SCARLES is proud to announced after 7 months of development our NEW RANGE OF SCARLES TURBOS! We have x15 types of turbos now in stock! High Quality, long durability!

Sound like chinese turbos to me, just branded. I wonder how they sized the turbo? There are no compressor maps available for these sort of turbos.

At least DSR have a nice cast manifold without an ugly flat plate.
NISSAN PATROL TURBO KIT, TB42/TD42, Turbo Manifold

 

[canucksafari]

At least DSR have a nice cast manifold without an ugly flat plate.
NISSAN PATROL TURBO KIT, TB42/TD42, Turbo Manifold

Thanks Dougal. I was trying to remember the name of that company.