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  1. Got it. Thanks !

    Got it.

    Thanks !
  2. Thanks for the response. Just figured this...

    Thanks for the response.

    Just figured this out. The guy from Turkey posted a video of his scanner showing advance and knock retard. When viewed at normal speed the knock retard was “0”, but the...
  3. Stock Closed TPS Spark Advance vs. RPM table

    Can anyone shoot me a stock "Closed TPS Spark Advance vs. RPM" table, in spreadsheet form?

    I'm trying to help someone with erratic idle advance, jumping rapidly all over the place from 7-deg to...
  4. Your going to get some turbulence from the sudden...

    Your going to get some turbulence from the sudden enlargement from 48mm TB to 58mm. Could help mixing, could hurt. The plate isn’t that great for insuring uniform delivery of fuel and nitrous to...
  5. Replies
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    4,224

    A 245/45-17 would keep you closer to the stock...

    A 245/45-17 would keep you closer to the stock 25.7” diameter. A 245/40-17 is 1” smaller.
  6. Replies
    9
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    298

    The B5 and B31 pins are fed DIRECTLY from the...

    The B5 and B31 pins are fed DIRECTLY from the battery, through fuse #8 in the under hood box (1995 only). The only other item supplied by this circuit is the AIR pump, in parallel through fuse #7...
  7. Replies
    9
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    298

    Gary indicated there is internal voltage...

    Gary indicated there is internal voltage regulation, since the PCM has to provide an accurate 5 volt reference to many of the sensors.

    Also suggested you measure the volts at the PCM by accessing...
  8. Replies
    9
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    298

    I've asked GaryDoug if there is any voltage...

    I've asked GaryDoug if there is any voltage regulation internal to the PCM.
  9. Replies
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    298

    That range of PCM volts look typical of what I...

    That range of PCM volts look typical of what I have seen in the many data logs I’ve reviewed for people. But typically they don’t jump around all the time. I’ve never compared them with actual...
  10. Replies
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    547

    The 95-97 vented Opti uses a longer connector...

    The 95-97 vented Opti uses a longer connector than 94. A lot of the newer Optis have deleted the need for a separate "short" Opti harness and the unit comes with a new harness permanently attached,...
  11. Replies
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    547

    The engine harness pinouts to engine components...

    The engine harness pinouts to engine components are basically the same, 94-97. The 96/97 harness just has extra connectors for the CKP sensor, EVAP purge vacuum solenoid, after-cat O2 sensors, and...
  12. Welcome

    Welcome
  13. Replies
    8
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    363

    I'll look thru to see if it mentions the delta T...

    I'll look thru to see if it mentions the delta T compared to the L98. I got my copy 20+ years ago it cost like $10. I have since lost the digital copy, and as noted, the print version is over 50...
  14. Replies
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    363

    If you are interested in the cylinder bore...

    If you are interested in the cylinder bore temperature profiles, both front to back cylinder-to-cylinder, and top to bottom of the cylinder, there is some limited data (graphics, without actual...
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    820

    I've used the Mark Williams 3" chrome moly...

    I've used the Mark Williams 3" chrome moly driveshaft with forged weld yokes and solid 1350's on a couple iterations of my Formula. Only issue is you are responsible for providing the required...
  16. Replies
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    47,374

    Goes over the axle in the stock location, with no...

    Goes over the axle in the stock location, with no mods. Tight fit though, can't rattle because it's locked in.
  17. Replies
    981
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    47,374

    A single 4”? If so, I have pics of the Mufflex...

    A single 4”? If so, I have pics of the Mufflex 4” IM pipe going over rear axle. Would that be useful?
  18. Replies
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    1,441

    Maybe I missed it, but it would have been useful...

    Maybe I missed it, but it would have been useful to know you are running low octane fuel.

    There are two cases of weird LTFT's I'm involved with on CamaroZ28.com. Might want to look at these...
  19. Replies
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    1,039

    Hard to do running a 27.4" diameter 19" street...

    Hard to do running a 27.4" diameter 19" street tire (305/35/19. Hankook Ventus v12evo2.). DR's should help a lot.
  20. Replies
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    1,441

    Will be interesting to see what the injectors are...

    Will be interesting to see what the injectors are set at. But if we look at the LTFT's for the most significant cells, on the average they are pulling out about 6% of the fuel. Using the stock...
  21. Replies
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    1,441

    I still need to look at the log in more detail. ...

    I still need to look at the log in more detail. That was just a quick scroll through. I'm working my way through a backlog of requests. Seems like somebody posted my name on other LT1 sites, and...
  22. Replies
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    114

    On the other hand, I have a "new" sending unit...

    On the other hand, I have a "new" sending unit (frame only, no pump) that I bought to get a new level sensor, 20 years ago when they were not available separately. Just sitting in my garage it has...
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    114

    Ethanol content of E10 pump gas picks up moisture...

    Ethanol content of E10 pump gas picks up moisture and causes corrosion.
  24. Thread: 02 sensor

    by Injuneer
    Replies
    22
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    759

    Crank sensor has NOTHING to do with running the...

    Crank sensor has NOTHING to do with running the engine. There is a code that sets for a disconnected crank sensor. But if the sensor is tuned out it probably isn’t going to set a code.
  25. Thread: 02 sensor

    by Injuneer
    Replies
    22
    Views
    759

    If he disabled the crank position sensor, there's...

    If he disabled the crank position sensor, there's no light/codes for misfires. Seems like a lot of negative feedback on pcmforless after Bryan dropped out. Don’t know what else to suggest.
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