The new life of the formula fastback

[GTRS Fiero]

You have to load the correct ADX file in TunerPro, first.  You also have to set it to the correct port to listen to the ALDL adapter.

For the CD, if no one else has a drive, you can use the optical drive on a computer at the library, or buy a USB DVD drive, or probably download the software.

[NoMad]

I am working on crash learnin TunerProRT. I did load tue adx file but am not getting anything definable. Will just have to log direct to the laptop and try that.

[NoMad]

Quick update:

Got the new computer in and wired. Got the TunerPro stuff working. Got the car to fire but not idle/run.

Research last night showed me I missed a splice listed in the 7730 ecm conversion addendums. Will do that this afternoon.

Fully removed the EGR and all related components. Fabricated a new block off that I painted and will install today.

Knock sensor and related circuit is now wired and looks to be functional according to my data logger.

Hope to get it all back on the road today with a base tune.

[GTRS Fiero]

You're using high-temp paint for the block-off plate, right?

[NoMad]

Of course. It is the flame proof silica ceramic header paint. Ended up having to make a gasket for it so I used some header wrap that I put exhaust sealer on both sides of. Also had to tap the stud threads so I could bolt the plate in place with spare header bolts.

Got the car running and did some initial tune drives. Really liking the new computer and the interface. The VE tune works very well to get a good base. Still have work to do in the open loop idle to get it running smooth but such is the learning curve.

I also got the surging again! The interface allowed me to see an o2 sensor overload at the same time so I will have to see what is going on. Since they are the only thing I haven't changed, I am going to throw on new plug wires and a cap and rotor just to see. They tested fine but who knows.

Going to get sometime in tuner pro to go over the data logs this morning.

[GTRS Fiero]

I don't recall which injectors you have in there.

[NoMad]

18.55lb/hr Bosch. Worried one is sticking open. So back to my original thoughts.

[GTRS Fiero]

I don't recall if the Fiero likes Bosch or Rochester injectors.

[Fierofool]

If those are the injectors we installed, they shouldn't be flowing that much at 43.5 psi regulator pressure.  Where did you get that rating?  If they are actually flowing that much, they're providing too much fuel for that engine. 

[GTRS Fiero]

That makes me wonder about the FPR, although I believe NoMad replaced it.

[NoMad]

That is their rated flow, not what I am getting from them. I have not measured what they are actually flowing.

The FPR is still the adjustable one from when I bought the car.

[Fierofool]

Check the pressure at the regulator.  Those injectors are rated 17# at 43.5 psi.  Sized for 160 HP on 6 cylinders.

[NoMad]

I did check the regulator and was seeing right about 43 when running at the time I adjusted it. Will dump the 17# into the tune and see what that does for cleaning things up. Thanks fpr the info. Was going to go looking for the injector data sheet tonight to do the fine tuning on the injector lag values.

[NoMad]

I am just viewing this tuning learn as preperation for the 3.4 TDC NA and then finally once the Turbo goes on. Crawl, run, walk and all that.

Spent a few hours today working on the new cradle so I can get it off to powder coating hopefull early next week. Stripping the junky paint work done by the guy I bought it from and cleaning it up a bit. Removing weld spatter from the factory and beefing up all the engine and tranny mounts. To keep from having problems.

[Fierofool]

Correction:  This is the stats on your injectors.  They're labeled as 19# at 43.5 psi.  18.55 would be tagged as 19#. 
BOSCH               LBS/HR    CC/MIN    GRAMS    PSI    BAR

0-280-150-901    18.55        195        140.2     43.5    3