19pis On Stock Engine/ic/injectors?
09-02-2003, 03:56 PM
#41
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Location: Fountain Valley, CA
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I'm not too turbo savvy, but correct me if I'm wrong.
Running 19psi would have nothing to do with the idle since its not fully boosing.
And just ignore the child, he'll go away once he realizes he's not getting his much needed attention anymore.
Running 19psi would have nothing to do with the idle since its not fully boosing.
And just ignore the child, he'll go away once he realizes he's not getting his much needed attention anymore.
09-02-2003, 04:40 PM
#43
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Originally Posted by Streetrally' date='Sep 2 2003, 12:56 PM
I'm not too turbo savvy, but correct me if I'm wrong.
Running 19psi would have nothing to do with the idle since its not fully boosing.
And just ignore the child, he'll go away once he realizes he's not getting his much needed attention anymore.
Running 19psi would have nothing to do with the idle since its not fully boosing.
And just ignore the child, he'll go away once he realizes he's not getting his much needed attention anymore.
mike
09-03-2003, 07:28 AM
#44
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Location: Louisville KY 40299
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Originally Posted by Streetrally' date='Sep 2 2003, 03:56 PM
I'm not too turbo savvy, but correct me if I'm wrong.
Running 19psi would have nothing to do with the idle since its not fully boosing.
And just ignore the child, he'll go away once he realizes he's not getting his much needed attention anymore.
Running 19psi would have nothing to do with the idle since its not fully boosing.
And just ignore the child, he'll go away once he realizes he's not getting his much needed attention anymore.
09-03-2003, 07:33 AM
#45
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Originally Posted by 1987rx7guy' date='Sep 2 2003, 12:46 PM
Oh and if you already did it on your car why are you asking us about it? Then telling everyone they don't know anything? Don't come on here and ask for advice then talk crap about people experiences and oppinions.
The simple answer to your question is YES why? because you already did it. So don't ask what you have already done.
The simple answer to your question is YES why? because you already did it. So don't ask what you have already done.
And the simple answer to my original question was NO ( as the first 3 people in this thread said ). It just goes to show that the collective thought of the stock injectors not being able to go past 11psi is WRONG. They can go much farther ( at least in my personal experience ).
Chalk it up as a fluke if you want to, but I ran the car that way all night for a good 3 hours. If it was going to blow up, I think it would have by then.
09-03-2003, 07:34 AM
#46
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Originally Posted by Streetrally' date='Sep 2 2003, 03:56 PM
I'm not too turbo savvy, but correct me if I'm wrong.
Running 19psi would have nothing to do with the idle since its not fully boosing.
And just ignore the child, he'll go away once he realizes he's not getting his much needed attention anymore.
Running 19psi would have nothing to do with the idle since its not fully boosing.
And just ignore the child, he'll go away once he realizes he's not getting his much needed attention anymore.
I guess this is what I get for trying to point something out that differs from the norm.
09-03-2003, 08:22 AM
#47
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Originally Posted by adamlewis' date='Sep 3 2003, 12:33 PM
Chalk it up as a fluke if you want to, but I ran the car that way all night for a good 3 hours. If it was going to blow up, I think it would have by then.
I'm sure there are enough people on this forum who found out the hard way what the limitations are on the stock fuel system. If you want to think you're some kind of pioneer in this respect and you really want to join them, that's fine. Just have one hand ready to reach back and pull out your wallet, because you'll most likely be needing it soon.
And I don't mind you relating your experiences. I think it's great. But your tone has been somewhat confrontational, or persuasive at least, and I don't think everyone appreciates you trying to find a bunch of lemmings to follow you over Broken Apex Seal Cliff.
That's my two cents worth of opinions and heresay. Hope you enjoyed it.
09-03-2003, 09:35 AM
#48
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Location: Culpeper, VA
Posts: 572
First of all, the turbo had to be creeping or amlfunctioning. I have an 87 T2 as many now know and with my MBC turned all the up, it creeps to 15 in 4th and 5th. This is also without the twin scroll taken off. My car has pegged my 20 psi boost gauge before and i won't lie, that thing pulled, but now I am afraid for my car. It still runs great, but burns oil. Hmmmm...... I wonder why. My car does not have an aftermarket fuel system, just a piggy back. My car is tuned well also. It wasn't detonating, it's just the amount of heat that occurs when more pressure is introduced into the combustion chamber. I can't call you a liar because I wasn't there, all I can do is give you advice:
If it is a piece of crap car that is just used for fun, do whatever, if not
Turn the boost down and don't let it creep
Buy a blown motor, rebuild it to take that kinda boost reliably
One thing that I do have to disagree is about the pressure from a turbo. I read an earlier response that somebody stated that our turbos don't produce alot of air at 19psi. The amount of boost created is the cubic feet per minute it can push over what the car naturally aspirated takes in. 19psi is 19psi. The same amount of air is being compressed. Its where the temperatures and heat trasfer makes the difference. A higher temp increases the air pressure, but also decreases the air density. The more dense the air is, the more fuel can be burned, the more power can be produced. Thats why over a certain psi, an intercooler is more benificial.
If it is a piece of crap car that is just used for fun, do whatever, if not
Turn the boost down and don't let it creep
Buy a blown motor, rebuild it to take that kinda boost reliably
One thing that I do have to disagree is about the pressure from a turbo. I read an earlier response that somebody stated that our turbos don't produce alot of air at 19psi. The amount of boost created is the cubic feet per minute it can push over what the car naturally aspirated takes in. 19psi is 19psi. The same amount of air is being compressed. Its where the temperatures and heat trasfer makes the difference. A higher temp increases the air pressure, but also decreases the air density. The more dense the air is, the more fuel can be burned, the more power can be produced. Thats why over a certain psi, an intercooler is more benificial.
09-03-2003, 10:48 AM
#49
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Join Date: May 2002
Location: California
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Originally Posted by adamlewis' date='Sep 3 2003, 04:33 AM
[Becuase Im trying to make you all aware to the fact that there exists a possibility that some things youve been told on here arent entirely true.
And the simple answer to my original question was NO ( as the first 3 people in this thread said ). It just goes to show that the collective thought of the stock injectors not being able to go past 11psi is WRONG. They can go much farther ( at least in my personal experience ).
Chalk it up as a fluke if you want to, but I ran the car that way all night for a good 3 hours. If it was going to blow up, I think it would have by then.
And the simple answer to my original question was NO ( as the first 3 people in this thread said ). It just goes to show that the collective thought of the stock injectors not being able to go past 11psi is WRONG. They can go much farther ( at least in my personal experience ).
Chalk it up as a fluke if you want to, but I ran the car that way all night for a good 3 hours. If it was going to blow up, I think it would have by then.
the 11psi limit has more to do with the stock ecu than it does with the injectors, the guys in austrailia run 14-15psi all day long on the stock 550's and an ecu. plus 10-11psi has the added benifit of being and easy and safe answer. its the same thing as the 3 mod rule on an fd, more than 3 mods and you lean out, until some one tested a few cars and found that they run pig rich all the time, no matter what
mike
09-03-2003, 02:20 PM
#50
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Originally Posted by roadkill669' date='Sep 3 2003, 09:35 AM
First of all, the turbo had to be creeping or amlfunctioning. I have an 87 T2 as many now know and with my MBC turned all the up, it creeps to 15 in 4th and 5th. This is also without the twin scroll taken off. My car has pegged my 20 psi boost gauge before and i won't lie, that thing pulled, but now I am afraid for my car. It still runs great, but burns oil. Hmmmm...... I wonder why. My car does not have an aftermarket fuel system, just a piggy back. My car is tuned well also. It wasn't detonating, it's just the amount of heat that occurs when more pressure is introduced into the combustion chamber. I can't call you a liar because I wasn't there, all I can do is give you advice:
If it is a piece of crap car that is just used for fun, do whatever, if not
Turn the boost down and don't let it creep
Buy a blown motor, rebuild it to take that kinda boost reliably
One thing that I do have to disagree is about the pressure from a turbo. I read an earlier response that somebody stated that our turbos don't produce alot of air at 19psi. The amount of boost created is the cubic feet per minute it can push over what the car naturally aspirated takes in. 19psi is 19psi. The same amount of air is being compressed. Its where the temperatures and heat trasfer makes the difference. A higher temp increases the air pressure, but also decreases the air density. The more dense the air is, the more fuel can be burned, the more power can be produced. Thats why over a certain psi, an intercooler is more benificial.
If it is a piece of crap car that is just used for fun, do whatever, if not
Turn the boost down and don't let it creep
Buy a blown motor, rebuild it to take that kinda boost reliably
One thing that I do have to disagree is about the pressure from a turbo. I read an earlier response that somebody stated that our turbos don't produce alot of air at 19psi. The amount of boost created is the cubic feet per minute it can push over what the car naturally aspirated takes in. 19psi is 19psi. The same amount of air is being compressed. Its where the temperatures and heat trasfer makes the difference. A higher temp increases the air pressure, but also decreases the air density. The more dense the air is, the more fuel can be burned, the more power can be produced. Thats why over a certain psi, an intercooler is more benificial.