Upgraded turbo just arrived!
- Thread starter RAAMaudio
- Start date
- Tags fiesta st upgraded turbo upgraded fiesta st turbo upgraded turbo
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Thread Starter
#82
The turbo came with the exhaust inlet opened up all the way so yesterday I opened up the manifold outlet a lot more than my original porting job.
Stock manifold outlet before porting:
I did not measure the outlet after the last porting but mine is nearly as big as the turbo inlet, a good thing to have the outlet a bit smaller as it helps prevent reversion. ----------- Good news, I had made the gasket and was installing it when I figured out I just have to cut off and reposition one mounting ear, easy stuff, whew! I wish I had not installed the turbo yet but had to so I could work on the inlet fitment part I made.
I did not measure the outlet after the last porting but mine is nearly as big as the turbo inlet, a good thing to have the outlet a bit smaller as it helps prevent reversion.
It is much more round and open than it looks in the picture and probably twice as big as the stock opening now. I had to carefully leave enough material where the flange meets the runners or I would of opened it up even more in that area.
Stock manifold outlet before porting:
I did not measure the outlet after the last porting but mine is nearly as big as the turbo inlet, a good thing to have the outlet a bit smaller as it helps prevent reversion. ----------- Good news, I had made the gasket and was installing it when I figured out I just have to cut off and reposition one mounting ear, easy stuff, whew! I wish I had not installed the turbo yet but had to so I could work on the inlet fitment part I made.
I did not measure the outlet after the last porting but mine is nearly as big as the turbo inlet, a good thing to have the outlet a bit smaller as it helps prevent reversion.
It is much more round and open than it looks in the picture and probably twice as big as the stock opening now. I had to carefully leave enough material where the flange meets the runners or I would of opened it up even more in that area.
Thread Starter
#83
I also built this yesterday from some old turbo system 2" charge pipe and scrape sheet stock, I am going to smooth it a bit more with the dremel and polish the inlet a bit more as well.
It is much rounder and smoother that the picture makes it look, it is very accurately made to mat to the nearly 2" compressor inlet.
I removed as much weight as I can so it came in at just 1.9 oz and made of steel. I have to trim the sides off two of the allen bolts to get them to fit as the holes are so close to the sides. I will have to trim them shorter and trim the silicone reducer as well but it will work out just fine.
One more thing is the flared inlet side, that is to ensure the hose stays on but also the 2" to 2.5" coupler flairs out so this will ensure a much smoother flow into the turbo, little details like this add up greatly if you do the whole thing, CAI to exhaust tip the best you can, which I always do.
It is much rounder and smoother that the picture makes it look, it is very accurately made to mat to the nearly 2" compressor inlet.
I removed as much weight as I can so it came in at just 1.9 oz and made of steel. I have to trim the sides off two of the allen bolts to get them to fit as the holes are so close to the sides. I will have to trim them shorter and trim the silicone reducer as well but it will work out just fine.
One more thing is the flared inlet side, that is to ensure the hose stays on but also the 2" to 2.5" coupler flairs out so this will ensure a much smoother flow into the turbo, little details like this add up greatly if you do the whole thing, CAI to exhaust tip the best you can, which I always do.
Thread Starter
#84
I am using a 2.5" aluminum elbow which fits right into the stock intake pipe for now just to get the car running and broken in, I will build my air box and piping in the next week or so and it will hook right up but may have an aluminum 180 to 3" to 3" silicone coupler right to the turbo inlet flange.
Thread Starter
#86
I do not have the time to make another one but I will most likely have the compressor inlet bored out and a whole new tapered inlet pressed in so would not need this and could send it to the shop so they can have them made on a CNC if they are interested
Maybe that would pay for my new inlet
Maybe that would pay for my new inlet
The turbo came with the exhaust inlet opened up all the way so yesterday I opened up the manifold outlet a lot more than my original porting job.
It is much more round and open than it looks in the picture and probably twice as big as the stock opening now. I had to carefully leave enough material where the flange meets the runners or I would of opened it up even more in that area.
It is much more round and open than it looks in the picture and probably twice as big as the stock opening now. I had to carefully leave enough material where the flange meets the runners or I would of opened it up even more in that area.
Thread Starter
#88
Most certainly more smoothly as the stock manifold has areas with the exhaust hitting the edges on the ports and on mine a bit of the inlet to the turbo.
It will also spool the turbo faster but not needed on a stock turbo, more for a bigger turbo or upgraded stock unit.
It will help make more power on the higher end as less of a bottle neck, will need a clipped turbine wheel to get full advantage I would imagine.
Anytime you clean up the air flow things just work better in the vast majority of cases.
It will also spool the turbo faster but not needed on a stock turbo, more for a bigger turbo or upgraded stock unit.
It will help make more power on the higher end as less of a bottle neck, will need a clipped turbine wheel to get full advantage I would imagine.
Anytime you clean up the air flow things just work better in the vast majority of cases.
Thread Starter
#89
I just posted a picture of the stock manifold before porting, it is in the first post on this thread. The difference is dramatically more than it seems from the pictures. Of course the whole manifold is ported, inlets, runners, etc except the two outboard runners just in the middle as no tool made I could find to do it with so more like 85-90% ported.
Thread Starter
#93
I looked into it, $450+ and shipping two ways and it would of only gained a tiny bit over doing my own porting as I would of had to port most of it anyway and was not planning on staying with a stock manifold, or turbo at the time.
Thread Starter
#98
Installed and running, no leaks, no codes.....but I cannot drive the car until I get the brake caliper mounts done which I am working on!
I ended up using a 2" to 2.5" silicone reducer and 2.5" aluminum elbow, heat wrapped, from the stock intake to the turbo for now.
I am building a sealed "air box" soon but needed to get it running first so I can work out the bugs if any.
I ended up using a 2" to 2.5" silicone reducer and 2.5" aluminum elbow, heat wrapped, from the stock intake to the turbo for now.
I am building a sealed "air box" soon but needed to get it running first so I can work out the bugs if any.
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