Author Topic: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.  (Read 48934 times)

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Offline gordyzx9r

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #15 on: August 17 2012, 11:14:06 PM »
The hose on the top of the FPR next to the stud?

Offline Steve Wood

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #16 on: August 17 2012, 11:16:13 PM »
yep...the rubber elbow off the metal line...only hose going to the regulator
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Offline gordyzx9r

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #17 on: August 17 2012, 11:40:57 PM »
Hey I'm a pilot...we're known to just randomly press buttons and move levers and stuff and then as ask "I wonder what this does".

Offline Steve Wood

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #18 on: August 17 2012, 11:43:08 PM »
I have flown with some French chopper pilots in the jungle that would be happy to show you what those buttons do just to hear you scream
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Offline Steve Wood

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #19 on: August 17 2012, 11:57:59 PM »
but, they were nothing to the Aussie ex-nam recon pilots that I flew in the Outback with in the 70's.  I still don't know if they were simply drunk, or totally insane
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Offline gordyzx9r

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #20 on: August 18 2012, 10:57:19 AM »
Checked all the plugs, they're good.  Got my PLC software working on this computer and communicating with the car...but there are t-storms and rain today so I'll have to wait until I can take it out to drive.

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #21 on: August 18 2012, 11:12:04 AM »
Are you wearing the t-shirt you got from me? It has super powers, you know?

The low fuel pressure could be contributing to the high INTs.
Quote
INT:  integrator, aka short term fuel trim, is a value the PCM uses to adjust the injector pulsewidth based on the current oxygen sensor feedback.  INTs usually change very rapidly, as in many times per second.  An INT of 128 means that the PCM is calculating the right injector pulsewidth for the current conditions.  An INT below 128 means that the PCM has to take out fuel to get the mixture right (the PCM calibration is too rich).  An INT above 128 means that the PCM has to add fuel to get the mixture right (the PCM calibration is too lean).

I bet if you raise the fuel pressure to spec this should level off some. The other possibility is a vacuum leak or injectors that are out of spec for the chip.
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Offline gordyzx9r

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #22 on: August 18 2012, 11:18:41 AM »
I would leave the radiator alone, buy a B&M Supercooler for the tranny and forget the engine cooler.  I hope he did not block off the oil cooler but instead, removed the oil cooler adapter from behind the filter.  Blocking the ports in the adapter will force all the oil thru the bypass and I think that will reduce oil flow as I look at the piece.

I Have a B&M cooler. 

Not sure what you mean about the oil cooler.  It has a remote oil filler and a pre-luber on it now, where should I look to see what he did and did not block off. 

Radiator has already shipped and to be honest, it's a quirk with me...I want the engine and transmission cooler.

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #23 on: August 18 2012, 11:23:40 AM »
Are you wearing the t-shirt you got from me? It has super powers, you know?

The low fuel pressure could be contributing to the high INTs.
Quote
INT:  integrator, aka short term fuel trim, is a value the PCM uses to adjust the injector pulsewidth based on the current oxygen sensor feedback.  INTs usually change very rapidly, as in many times per second.  An INT of 128 means that the PCM is calculating the right injector pulsewidth for the current conditions.  An INT below 128 means that the PCM has to take out fuel to get the mixture right (the PCM calibration is too rich).  An INT above 128 means that the PCM has to add fuel to get the mixture right (the PCM calibration is too lean).

I bet if you raise the fuel pressure to spec this should level off some. The other possibility is a vacuum leak or injectors that are out of spec for the chip.

I haven't worn it yet...but it does look good. 

Raised the FP last night to around 43.

I'll check the vacuum lines but I just replaced all of those within the last year or so. 

I have noid lights, but which one do I use?  See pics on 1st page.

Offline Steve Wood

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #24 on: August 18 2012, 11:27:42 AM »
If you have a remote tranny cooler, you should not need the one in the radiator unless the external cooler is tiny and I doubt that.

Unless you are roadracing the car, or similar abuse, they can do without an external oil cooler, or the one in the radiator.

Look at the second and third pictures  http://www.vortexbuicks-etc.com/frontcover.htm   That is the stock oil cooler adapter.  If you plug those two fittings, it will force all the oil to circulate thru the bypass which is somewhat restrictive before it gets to the oil filter.  If you are not using a oil cooler, you can remove that adapter, or you can loop the hoses to connect the two fittings.

I would guess that he removed it when he installed the remote filter, but without looking at it, I have no clue.

« Last Edit: August 18 2012, 03:34:18 PM by Steve Wood »
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Offline daveismissing

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #25 on: August 18 2012, 11:39:09 AM »
Presume GMPFI means port fuel inj - guessing that noid light
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Offline gordyzx9r

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #26 on: August 18 2012, 11:56:39 AM »
If you have a remote tranny cooler, you should not need the one in the radiator unless the external cooler is tiny and I doubt that.

 It's a B&M Supercooler that I got from ATR years and years ago.
 
 
Quote
Unless you are roadracing the car, or similar abuse, they can do without an external oil cooler, or the one in the radiator.
 
 
 Well, that was kinda what I wanted to do with it... :icon_madu:
 
 
Quote
Look at the first and second pictures  http://www.vortexbuicks-etc.com/frontcover.htm   That is the stock oil cooler adapter.  If you plug those two fittings, it will force all the oil to circulate thru the bypass which is somewhat restrictive before it gets to the oil filter.  If you are not using a oil cooler, you can remove that adapter, or you can loop the hoses to connect the two fittings.
 
 I would guess that he removed it when he installed the remote filter, but without looking at it, I have no clue.
 
 
 

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #27 on: August 18 2012, 11:58:23 AM »
Presume GMPFI means port fuel inj - guessing that noid light

I would guess you would have guessed wrong :)
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Offline Steve Wood

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #28 on: August 18 2012, 12:00:42 PM »
If you have a remote tranny cooler, you should not need the one in the radiator unless the external cooler is tiny and I doubt that.

 It's a B&M Supercooler that I got from ATR years and years ago.
 
 
Quote
Unless you are roadracing the car, or similar abuse, they can do without an external oil cooler, or the one in the radiator.
 
 
 Well, that was kinda what I wanted to do with it... :icon_madu:
 
 
Quote
Look at the first and second pictures  http://www.vortexbuicks-etc.com/frontcover.htm   That is the stock oil cooler adapter.  If you plug those two fittings, it will force all the oil to circulate thru the bypass which is somewhat restrictive before it gets to the oil filter.  If you are not using a oil cooler, you can remove that adapter, or you can loop the hoses to connect the two fittings.
 
 I would guess that he removed it when he installed the remote filter, but without looking at it, I have no clue.
 
 
 


Then I suggest a large external oil cooler
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Offline gordyzx9r

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Re: Spitting black gobs out exhaust, INT 160, stuff in radiator...fun.
« Reply #29 on: August 18 2012, 12:21:59 PM »
Presume GMPFI means port fuel inj - guessing that noid light

I would guess you would have guessed wrong :)

Which one is the right one or do I not even have it?

 

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