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Author Topic: Taking the turbo plunge!  (Read 64039 times)

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Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #330 on: September 08, 2015, 03:06:02 PM »
What kind of mph are you guys getting out of your turbo setups? I'm surprised to find I'm getting 18-20 mph, or so. That's about 50% better than the 11-1 comp. na motor, I was running before. I feel pretty good about that.
1976 half hatch 2.3 turbo w/t5.

Offline 65ShelbyClone

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Re: Taking the turbo plunge!
« Reply #331 on: September 08, 2015, 07:16:06 PM »
I think the one time I checked it was doing about 24mpg with a bad tune and routes and driving that did not help economy. I expect to get 26-28 when it's finally sorted out. That's what 2.3Ts got in most of the original (larger and heavier) applications.

18-20 leaves a LOT of room for improvement.
'72 Runabout - 2.3T, T5, MegaSquirt-II, 8", 5-lugs, big brakes.
'68 Mustang - Built roller 302, Toploader, 9", etc.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #332 on: September 08, 2015, 11:09:32 PM »
It is running rich, and I have those tiny wheels. I've been mostly just driving it and monitoring all the systems for issues. Other than needing some tuning, it's doing perfect. I always go thru trust issues when I do a drive train swap, but I feel pretty good about things so far.
1976 half hatch 2.3 turbo w/t5.

Offline 65ShelbyClone

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Re: Taking the turbo plunge!
« Reply #333 on: September 11, 2015, 08:58:41 PM »
I have the trust issues after major work too, but most of it comes from all the new wiring. Mechanicals can usually be fixed on the roadside with simple tools...electr ical, not so much.

My speedometer is surprisingly accurate (according to GPS) to about 1mph with the '86 Bird trans gear and the Pinto driven gear with 3.55s and stock tire height.
'72 Runabout - 2.3T, T5, MegaSquirt-II, 8", 5-lugs, big brakes.
'68 Mustang - Built roller 302, Toploader, 9", etc.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #334 on: September 12, 2015, 12:19:30 AM »
Mine seems more accurate than before. According to the speed signs that read your speed, it's dead on too.
1976 half hatch 2.3 turbo w/t5.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #335 on: September 20, 2015, 11:28:58 AM »
How much of an affect, if any, does engine temp have on fuel mixture? I've been running rich, not so bad that I can smell it in the exhaust, but rich on the mix meter. I've been gradually upping the temp setting for my fan, and have noticed that my mix meter is showing incremental lowering of fuel in the mix(at operating temp). Is it coincidental? My imagination? Or am I correct, that engine temp is part of the computers equation for determining fuel mix?
1976 half hatch 2.3 turbo w/t5.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #336 on: September 23, 2015, 10:33:15 AM »
Finished up a few small things.

Put a drain valve in the radiator.



And dug thru the radiator hoses at the parts store till I found the right chunks to make decent lines in and out. I hate temp tubes.



1976 half hatch 2.3 turbo w/t5.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #337 on: September 26, 2015, 12:04:08 PM »
I got the last piece of my cooling system in, the overflow tank. I think that's enough shiny's.



1976 half hatch 2.3 turbo w/t5.

Offline Wittsend

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Re: Taking the turbo plunge!
« Reply #338 on: September 26, 2015, 06:55:40 PM »
I think that's enough shiny's.

Don't worry. The rust color cam sprocket helps tone things down. LOL  Also, if you can dig up the factory clamps they are a muted black color. Glad to see the progress. You turbo guys seemed to have slowed down a bit.

Offline 74 PintoWagon

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Re: Taking the turbo plunge!
« Reply #339 on: September 26, 2015, 09:43:17 PM »
Looks good..
Art
65 Falcon 2DR 200 IL6 with C4.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #340 on: September 27, 2015, 12:44:25 PM »
I think that's enough shiny's.

Don't worry. The rust color cam sprocket helps tone things down. LOL  Also, if you can dig up the factory clamps they are a muted black color. Glad to see the progress. You turbo guys seemed to have slowed down a bit.

Gotta have a little rust, it's all about balance! I don't think any of the clamps on the tbird were original, when I got it.

It does seem slow in this part of the forum these days. I'm in the process of gathering all the parts for the next round of swapping. 11" discs on all 4 corners, new coil springs and shocks, tubular a arms, lsd for the 8", monospring system, disc master cylinder, all new bushings everywhere, rack and pinion, and dropped 2". And of course some new wheels to clear the discs.
1976 half hatch 2.3 turbo w/t5.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #341 on: October 13, 2015, 09:24:57 PM »
So I finally got around to playing with the code reader. I got the innova 3145. I got some codes that I know are from egr and temp sender deletes, and some that I need to do some checking on (codes were 72 and 63). The timing check was fine. But I can't seem to get it to run a koer test, or maybe I just don't understand what's happening. It does engage the the throttle for second, but that's all, then about a minute later, the display goes blank, like it has turned itself off. I did read that I can't run the koer until after I get a code 11 on the koeo. But how is that even posible, given the swap mods? I'll be messing around with the other codes, that still have existing systems to mess with. I'm just a little befuzzled that I can't get the koer codes.
1976 half hatch 2.3 turbo w/t5.

Offline Wittsend

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Re: Taking the turbo plunge!
« Reply #342 on: October 14, 2015, 11:46:25 AM »
What changes did you make to the stock system?

63 Throttle Position Sensor (TPS) signal too low

72 (R) No MAP or MAF change in "goose" test - retest, check for frequency or voltage change
Sub Notation: (M) 2.3L T/C - PCM re-initialized. Possible electrical noise, case ground or intermittent VPWR problem

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #343 on: October 14, 2015, 12:03:53 PM »
Hmm. What changes?
Delete list:
egr solenoid
temp sender
12v fans
ac clutch relay
(might be more, need more coffee)


Hardwired the fuel switch in premium position.

The tps was suspect before testing, might need replacing. The code 72 will require more investigation.

Other codes that I attribute to system mods:

o-51
o-84
c-51

1976 half hatch 2.3 turbo w/t5.

Offline Wittsend

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Re: Taking the turbo plunge!
« Reply #344 on: October 14, 2015, 12:40:20 PM »
 Is there a reason for the coolant temp sender code. Is it not functioning, you deleted/replace it?  This is a LONG thread to go back through.

If I remember correctly to set the TPS you disconnect something (idle compensator???) and set the idle RPM on the throttle body. Then you adjust the TPS for one volt (as I recall 0.94 is recommended). I deleted the EGR and as best I recall the KOER test still initiated.

  I also found it interesting because it seemed to initiate a cylinder balance test, but then, as someone pointed out, two injectors fire at a time in this system and it can't give an accurate result.  All I can say is when I initiated the CB test the engine ran rough in a cycle that seemed to disable injectors firing - go figure.  I also have the Innova 3145.  I bought it after getting tired of counting light flashes (and confusing pauses) on the Equus 3143 and before that the CEL bulb. Not a task for those who have ADD.  I don't and it was still befuddling at times.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #345 on: October 14, 2015, 02:31:19 PM »
I deleted the temp sender to put in a mechanical temp gauge.

I just went through the tps process again. I had it at .94 when I originally tuned it, but it was at 1.17 when I just checked it. Put it at .94 again. It's a little smoother, but the afm is still showing a rich condition through all rpms. It idles at a perfect 1000 rpm. Still throwing the code 63, but I don't know if it needs more run time to recognize the adjustment. Haven't investigated the code 72 yet, not sure what to test yet, but that may be causing the rich mix.

Still no luck on the koer yet either.
1976 half hatch 2.3 turbo w/t5.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #346 on: October 14, 2015, 03:05:30 PM »
Tps tip.

The plug ends on mine were hard to get the micrometer probes to pig tail into. So I slipped the pin connectors out and attached 8" leads to the black and green pins, and put it back together, pulling the 8" leads thru the corresponding wire holes . I used a small gauge single wire, and crimped a butt connector on the other end of each. It allowed me set the probes in the open ends of the butt crimps, for easy tuning. Just tuck out of the way when not being used.
1976 half hatch 2.3 turbo w/t5.

Offline Wittsend

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Re: Taking the turbo plunge!
« Reply #347 on: October 14, 2015, 03:32:45 PM »
Yea the TPS too low is odd given the 1.17 you found. Frankly I don't think it is too critical. I think it just needs to function in roughly the 1-5 volt range and the ECU learns to adjust.  Now, maybe it is comparing to another sensor and the TPS "seems" too low for the other readings?  I know some of those sensors look like they loop through each other (maybe they parallel???). I can see where the temp sensor will give a rich condition if the ECU thinks the coolant is cold.  I'd look at finding a way to tap in the factory sensor even if it is a Tee in a hose.

All this has got me to thinking that if one has a number of potentiometers inline with the various sensors that there is likely some ability to tune the engine. Like in show a cooler coolant than it is and the engine richens up a bit. The deluxe version can use vacuum switches to trigger this effect on/of dependent on throttle input.

BTW, this thread is the only activity on the Turbo section since July 22, 2015.  That other post regarded the Ranger cam and then on July 21st, 65 Shelby Clone posted.  Where are the other Boost Spoolers???

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #348 on: October 14, 2015, 03:45:28 PM »

BTW, this thread is the only activity on the Turbo section since July 22, 2015.  That other post regarded the Ranger cam and then on July 21st, 65 Shelby Clone posted.  Where are the other Boost Spoolers???

I'm not surprised. I'm usually waayyy behind in everything. I probably missed this hey day by decades.

Good point on the temp sender. I wonder if I can just figure out the reading for a warm engine and mimic the signal?
1976 half hatch 2.3 turbo w/t5.

Offline The Whistler

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Re: Taking the turbo plunge!
« Reply #349 on: October 15, 2015, 12:19:24 PM »
Gas mileage on my Pinto is about 36mpg and about 40mpg on my friends Mustang both with 2.3t. Tps voltage should be .84 to .96 at idle! And install the coolant temp sensor you are asking for trouble by trying to delete it! Also we have long ago left the stock ECU behind. Our 2.3's put out around 400hp on the ground! Also if you have done the swap properly and no sensor malfunctions you will only have the code for the egr.
Turbo is a way of life

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #350 on: October 15, 2015, 12:32:03 PM »
I'm not opposed to upgrading to the pimp or similar, but I'm not going for those kind of numbers. This is my daily driver. I didn't delete my circuit for the temp sender, just took out the factory sender and installed my mechanical gauge. I think I'll just have to reinstall the other one, and get a matching 12v temp gauge, instead of the mechanical.
1976 half hatch 2.3 turbo w/t5.

Offline The Whistler

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Re: Taking the turbo plunge!
« Reply #351 on: October 16, 2015, 06:55:58 AM »
Where is your BAP sensor? Is it installed correctly? Post a pic of it as installed.
Turbo is a way of life

Offline dick1172762

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Re: Taking the turbo plunge!
« Reply #352 on: October 16, 2015, 08:04:28 AM »
36 to 40 MPG! WOW! My Fish carb on my Pinto will not do that good. Close but still less MPG's.
Its better to be a has-been, than a never was.

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #353 on: October 16, 2015, 09:31:16 AM »
Where is your BAP sensor? Is it installed correctly? Post a pic of it as installed.

I didn't change anything in the bap circuit, but it's been relocated in the cab under the dash. It's mounted at the same angle it was under the hood. Not sure it mattered, just didn't want to make a new bracket, so I modded the one it had. I'm putting the temp sender back in today, and re-testing.
1976 half hatch 2.3 turbo w/t5.

Offline The Whistler

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Re: Taking the turbo plunge!
« Reply #354 on: October 16, 2015, 10:42:24 AM »
Cool keep us updated
Turbo is a way of life

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #355 on: October 16, 2015, 11:19:42 PM »
So I put the temp sender back in and ran all the tests again. She did much better! Still throwing the #84 in koeo, but that's it. It throws #25, #34, #75 in koer. So all is good in LA3land. Apparently the computer likes to know the engine temp as much as I do. Still running rich, by the afm readings. It does have a slight stumble, barely even noticeable, and the exhaust doesn't smell rich in the slightest. So I'm going to run it for while and keep an eye on things.
1976 half hatch 2.3 turbo w/t5.

Offline The Whistler

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Re: Taking the turbo plunge!
« Reply #356 on: October 18, 2015, 10:54:08 AM »
Why have you not fixed 34 and 75 they are easy to fix? And now are the cause of most of your problems!!
Turbo is a way of life

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #357 on: October 18, 2015, 11:12:35 AM »
It's just an egr code and a code for the boo(brake system). There is no egr or fancy brake system.
1976 half hatch 2.3 turbo w/t5.

Offline The Whistler

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Re: Taking the turbo plunge!
« Reply #358 on: October 18, 2015, 06:45:34 PM »
I disagree. But if you say so!!!
Turbo is a way of life

Offline 76hotrodpinto

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Re: Taking the turbo plunge!
« Reply #359 on: October 18, 2015, 10:50:09 PM »
According to the codes given, and the corresponding code definitions, that's all there is. Unless the computer and/or reader, or the manual are incorrect.
1976 half hatch 2.3 turbo w/t5.