driving boosted with no form of tuning..
06-13-2013, 09:02 AM
#32
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Join Date: May 2013
Posts: 2
Total Cats: -6
I have never turbo'd a miata, however I have plenty of other cars. I had a 1987 Turbo Coupe I ran 28 psi in with a 1:1 fuel pressure reg. and a stock ECU fooled by a couple potentiometers ..... oh yeah all force fed by a giant t-4 EBAY TURBO!? I'll admit I broke the turbo, but it was after much abuse on my part. Honestly, I had a harder time keeping that engine from "popping" head gaskets from the large amount of boost than tuning it. This is not for the faint of heart, as it requires constant fiddling, and will never run correctly.
The dicks are right, unless you don't mind blowing up an engine, or two, you should probably not drive it at all. I plan to buy a MS2 before ever even a single turbo part, tune her up with out the air meter and get some info piled for the turbo swap. The part where you put the turbo on is easy, just twisting bolts and running oil lines. Tuning is where you are really going to grind your teeth and pull your hair out.
Not that turbo'ing w/o tuning doesn't dance trhough my dreams at night. Check out this video, this guy clearly states he ran 5 psi with the stock ecu. He seems like he owns and tunes several turbo cars. He is a giant dork but watch the first few min of the video and you will see.
The dicks are right, unless you don't mind blowing up an engine, or two, you should probably not drive it at all. I plan to buy a MS2 before ever even a single turbo part, tune her up with out the air meter and get some info piled for the turbo swap. The part where you put the turbo on is easy, just twisting bolts and running oil lines. Tuning is where you are really going to grind your teeth and pull your hair out.
Not that turbo'ing w/o tuning doesn't dance trhough my dreams at night. Check out this video, this guy clearly states he ran 5 psi with the stock ecu. He seems like he owns and tunes several turbo cars. He is a giant dork but watch the first few min of the video and you will see.
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06-13-2013, 12:21 PM
#33
I have never turbo'd a miata, however I have plenty of other cars. I had a 1987 Turbo Coupe I ran 28 psi in with a 1:1 fuel pressure reg. and a stock ECU fooled by a couple potentiometers ..... oh yeah all force fed by a giant t-4 EBAY TURBO!? I'll admit I broke the turbo, but it was after much abuse on my part. Honestly, I had a harder time keeping that engine from "popping" head gaskets from the large amount of boost than tuning it. This is not for the faint of heart, as it requires constant fiddling, and will never run correctly.
The dicks are right, unless you don't mind blowing up an engine, or two, you should probably not drive it at all. I plan to buy a MS2 before ever even a single turbo part, tune her up with out the air meter and get some info piled for the turbo swap. The part where you put the turbo on is easy, just twisting bolts and running oil lines. Tuning is where you are really going to grind your teeth and pull your hair out.
Not that turbo'ing w/o tuning doesn't dance trhough my dreams at night. Check out this video, this guy clearly states he ran 5 psi with the stock ecu. He seems like he owns and tunes several turbo cars. He is a giant dork but watch the first few min of the video and you will see.
Tom's Turbo Garage: Turbo Miata Differential Upgrade - Part One - YouTube
The dicks are right, unless you don't mind blowing up an engine, or two, you should probably not drive it at all. I plan to buy a MS2 before ever even a single turbo part, tune her up with out the air meter and get some info piled for the turbo swap. The part where you put the turbo on is easy, just twisting bolts and running oil lines. Tuning is where you are really going to grind your teeth and pull your hair out.
Not that turbo'ing w/o tuning doesn't dance trhough my dreams at night. Check out this video, this guy clearly states he ran 5 psi with the stock ecu. He seems like he owns and tunes several turbo cars. He is a giant dork but watch the first few min of the video and you will see.
Tom's Turbo Garage: Turbo Miata Differential Upgrade - Part One - YouTube
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06-19-2013, 09:19 AM
#36
lol, you guys are so harsh..
i can see you boosting 5 psi (ok, can you evenb boost 5 psi on that turbo? is the wastegate set to 5 psi, how are you accomplishing this)
now, if you finally figure out the 5 psi thing, the next thing is NEVER GO ON BOOST, EVER
that's the safest way of running a tubro without tuning.
no, you could try and estimate how much more fuel you need and inject in somehow...beats why the **** you have a Wideband, but i'm glad you do...a small step in the right direction..
now, i'm guessing no tuning because you spent all your hard earned money mowing lawns around you neighborhood to buy that 200$ turbo kit that you put together with duct tape...but that was your first mistake...wherever the hell it was you read that turbo cars are cheap lied to you...
the safest way to run 5 psi, is DON'T
park your car, go read some more...and come back
and by the looks of it, have someone who knows about turbos to look at your setup, i wouldn't be surprised if you had the turbo installed backwards...
i can see you boosting 5 psi (ok, can you evenb boost 5 psi on that turbo? is the wastegate set to 5 psi, how are you accomplishing this)
now, if you finally figure out the 5 psi thing, the next thing is NEVER GO ON BOOST, EVER
that's the safest way of running a tubro without tuning.
no, you could try and estimate how much more fuel you need and inject in somehow...beats why the **** you have a Wideband, but i'm glad you do...a small step in the right direction..
now, i'm guessing no tuning because you spent all your hard earned money mowing lawns around you neighborhood to buy that 200$ turbo kit that you put together with duct tape...but that was your first mistake...wherever the hell it was you read that turbo cars are cheap lied to you...
the safest way to run 5 psi, is DON'T
park your car, go read some more...and come back
and by the looks of it, have someone who knows about turbos to look at your setup, i wouldn't be surprised if you had the turbo installed backwards...
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06-19-2013, 09:54 AM
#37
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Join Date: Jan 2013
Location: North Jersey
Posts: 41
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Haha I'm not a ruhtard, this is not my
First turbo'd car.. just the first turbo'd miata. it's not a $200 turbo kit I'm using a legit garrett turbo not some Chinese eBay turbo. The only things eBay were the cast iron manifold and down pipe. I realize these wont last forever, but the car honestly barely gets driven anyway, when they crack... I'll re-weld for now.
The whole reason I made the post is because I don't want to east money on fpr's and what not when I'm just going to get megasquirt soon. I've seen some guys around the Internet claiming to be running with no tunes or anything so I figured I'd ask.
First turbo'd car.. just the first turbo'd miata. it's not a $200 turbo kit I'm using a legit garrett turbo not some Chinese eBay turbo. The only things eBay were the cast iron manifold and down pipe. I realize these wont last forever, but the car honestly barely gets driven anyway, when they crack... I'll re-weld for now.
The whole reason I made the post is because I don't want to east money on fpr's and what not when I'm just going to get megasquirt soon. I've seen some guys around the Internet claiming to be running with no tunes or anything so I figured I'd ask.
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06-19-2013, 10:50 AM
#39
Boost Czar
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Join Date: May 2005
Location: Chantilly, VA
Posts: 79,493
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I would have no issues running 5psi with stock injectors, stock ECU, with the addition of an FMU of some sorts and a little ignition retard, I would be enjoying 140rwhp all day long while you ******** sit here and debate it.
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