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Old 04-27-2021, 07:52 AM   #101
Mwilson
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Mwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this place
Stickers add almost 140 hp I have (2) ea 20 hp stickers
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Old 04-27-2021, 05:18 PM   #102
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sounds great!

looks fast too!
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Old 04-27-2021, 06:52 PM   #103
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Mwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this placeMwilson is without a doubt too mature for this place
it runs good! lol
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Old 04-28-2021, 08:03 AM   #104
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Man those Hoosiers look TIGHT!
Hope they don't expand much at the top end, lol
They look great though!
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Old 05-09-2021, 09:29 PM   #105
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swapped 3 plugs runs great??? Need to data log finish the tune. My track bar is on back order so I modified the factory sway bar to work so I can drive







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Old 05-12-2021, 04:57 PM   #106
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Tubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this placeTubbed440 is without a doubt too mature for this place
Nice work man.
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Old 05-13-2021, 02:22 AM   #107
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THINK i FIGURED IT OUT USING "TUNER CATS" PROGRAM

ADD or Pull Timing
1. Tables
a. Main Spark Advance vs. RPM vs MAP ( 800-4,000 RPM )
b. Extended Main Spark Advance vs. RPM vs MAP ( 4,000-7,000 RPM )
Use + or – to add or remove ( changes in .5 degree increments )

ADD or Pull Fuel

1. Tables
a. MAF Sensor Calibration table 1 (1,500-3,999 RPM)
b. MAF Sensor Calibration table 2 (4,000-6,599 RPM)
c. MAF Sensor Calibration table 3 (6,600-9,000 RPM)
Use + or – to add or remove ( changes in .1 gm/sec increments )

Example:

If target is 11.3:1 AFR and current is 12.5:1 AFR

ADD .11%

If block says 94 gm/sec change to 104.4 gm/sec (change percentage across 4 blocks minimum to keep smooth curve )
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Old 05-13-2021, 02:23 AM   #108
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Installed new torque arm yesturday its ready to drive / tune now
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Old 05-13-2021, 04:04 PM   #109
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good to hear your getting the tuning figured out!
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Old 05-14-2021, 07:49 AM   #110
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data logged from 30 mph 2nd gear pulled to 6,500 let off. On the hit 11.3:1 AFR it was good to about 4,500 rpm then rose to 12:1 and steadilly rose to 13:1 @ 6,500 gonna try and add fuel from 4,500 to 7,000 and see if I can get it right
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Old 05-14-2021, 10:35 AM   #111
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Tuner Cats!!! I have not heard that one for years!
I used to use it on my old 95 Z28 back in 01
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Old 05-15-2021, 12:00 PM   #112
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Plenty of fuel pressure but at 6k it goes over 12:1. I can drive and enjoy just can’t shift over 6k. It will still rev to over 7k in a heartbeat but way too lean.
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Old 05-17-2021, 04:11 AM   #113
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Quote:
Originally Posted by Mwilson View Post
Plenty of fuel pressure but at 6k it goes over 12:1. I can drive and enjoy just can’t shift over 6k. It will still rev to over 7k in a heartbeat but way too lean.

What's the injector duty cycle? If it's really high - you may need larger injectors.
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Old 05-17-2021, 05:15 AM   #114
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Im trying to find that
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Old 05-17-2021, 05:19 AM   #115
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Old 05-17-2021, 05:21 AM   #116
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All clean



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Old 05-17-2021, 07:07 AM   #117
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I believe the injector pulse width is what you're looking for. Looks like it is stating the number for the right side and left side. I'm not sure what the units are for that number, but if it it is a percentage, then it would be 34.99 and 36.07%, which to me would seem like you have plenty more left in those injectors. However, that being said, it would be worth investigating what units those numbers are in so you can get a clearer picture of what's going on. If it's in ms (milliseconds) it could mean something totally different.
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Old 05-17-2021, 07:40 AM   #118
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ok I'll research
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Old 05-17-2021, 10:33 AM   #119
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What are you using to tell your AFR? Separate WB I'm assuming?
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Old 05-17-2021, 11:02 AM   #120
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yes seperate wideband where I took that snapshot im getting close to 12:1 then it goes up fast to 13.4ish at 7k RPM's
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Old 05-17-2021, 11:52 AM   #121
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Mike that looks like a bunch of timing on a blower car.
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Old 05-17-2021, 02:25 PM   #122
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I sent the data log to a tuner hopefully he will adjust timing and fuel or tell me what to do about injectors
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Old 05-18-2021, 06:02 AM   #123
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I haven't messed with Tunercats in years too! Think I still have an odb1 cable I'd made from back then as well. I used to scan with Datamaster, liked it's formatting better.

You can convert your pulsewidth to injector duty cycle using the formula below:
(Pulsewidth * RPM) / 1200 = % Duty Cycle

Assuming your pics are from the same data point this is what you get:

(Pulsewidth * RPM) / 1200 = % Duty Cycle
(34.99*5886)/1200=171.6%
(36.07*5886)/1200=176.9%

If that math is right, are you running the stock injectors on that thing??

I usually look @ the MAF g/s reading to give me a swag on the rwhp, yours is reading 468, if it's reading right, not bad.

Think you'd be ok with 40-50lbhr injectors.
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Old 05-18-2021, 07:44 AM   #124
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They are new Accel 30# injectors

that was a screenshot at 5,xxx rpm I turn it up to 7,200

https://www.holley.com/products/fuel...e/parts/150830
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Old 05-18-2021, 08:33 AM   #125
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Anyone have a reccomendation on injectors that fit this car?
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