LT1-LT4 Modifications 1993-97 Gen II Small Block V8

AI 200CC Dyno Numbers

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Old 04-19-2009, 11:50 AM
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Congrat on dyno pull, good numbers.


My 89 notch weighs 3,095 lbs with full interior no weight reduction and no driver.
Old 04-19-2009, 11:53 AM
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Originally Posted by Jditlfm
Did you watch the fuel pressure while your were making a pull? did it hold solid or drop off at or around when your problem stats? Whats your duty cycle on the injectors?
Fuel pressure held all the way through. The duty cycle is maxed out. That can't be possible because the car has 42lb. FM'd injectors from Racetronix. It would flood ridicliously. That's why I'm leaning toward an electrical problem either in the comp. or in the harness. The cpu just isn't speaking with the injectors. Other problems that I've noticed is that the VATS has been taken out and it still throws the security light from time to time.
Old 04-19-2009, 12:24 PM
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Killer numbers man!!!! Should be a beast once you get it sorted out. Congrats!
Old 04-19-2009, 12:29 PM
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Great numbers! A.I. Does it once again.
Old 04-20-2009, 09:02 AM
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Here is a copy of the dyno sheet.
Attached Files
File Type: pdf
20090420080027822.pdf (111.9 KB, 489 views)
Old 04-20-2009, 09:07 AM
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Not much "curve" to the torque line is there?
Over 400tq before 3500rpms, nice.
Old 04-20-2009, 02:06 PM
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Awesome!
Old 04-20-2009, 02:11 PM
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Nice numbers!! Hope you're able to get everything sorted out.

Why doesn't anyone do pulls from 2000-2500 anymore? It seems they all start at 3000.
Old 04-20-2009, 02:21 PM
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Beyond bad *** man! Very impressive!
Old 04-20-2009, 02:43 PM
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The torque isn't even a curve. It's a straight line. I bet that is really fun on the streets.
Old 04-20-2009, 02:47 PM
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Gotta love that straight line of torque you got there, very nice!
Old 04-20-2009, 03:19 PM
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Originally Posted by Beaflag VonRathburg
The torque isn't even a curve. It's a straight line. I bet that is really fun on the streets.
Believe it or not the damn thing won't even spin a tire w/3.42gears. I keep trying to save for a rearend but, stuff keeps coming up. Now I have to figure out this wiring/cpu issue.
Old 04-20-2009, 07:48 PM
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Bad *** Numbers J-Dubb!!

Hopefully we can get the rest of my bugs sorted out and get to the dyno sometime soon with the T/A.....
Old 04-20-2009, 10:08 PM
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dude... killer numbers
Old 04-20-2009, 10:50 PM
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Originally Posted by SpeedDensityZ
Believe it or not the damn thing won't even spin a tire w/3.42gears. .... Now I have to figure out this wiring/cpu issue.
OK Something is amiss if you can't break the tires loose... Beyond an PCM problem I'd think. Unless at 2000rpm you're only making 150ft/lbs >_>

As for the PCM problem, assuming you're running the factory computer (which I have no idea if you are heh), why not get a PCM from the salvage yard and then have the dyno shop dump your current tune onto the 'new' PCM?

Also, here, since that hurt my neck to look at your graph lol
Attached Thumbnails AI 200CC Dyno Numbers-sd-dyno.png  
Old 04-20-2009, 11:06 PM
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Out of curiosity, what did the car make SAE corrected? What were the conditions like when you dynoed?

I see that the graph is uncorrected, and while legitimate for the time you dynoed, it is tough to compare without the correction factor.

Great numbers again though...even with the problems.
Old 04-20-2009, 11:06 PM
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Originally Posted by slick1851
Unlike most LT1 owners, they choose to spend the money on qaulity head n cam setups and do things the right way.

They also dont blow money shitty aftermarket heads and leave them unported.


LT1 guys like to build strokers with poor flowing heads, it seems to be a trend for the past 7 years.
Maybe people still own LT1's cause the parts are so much cheaper, we can buy more stuff for the same buck, and own LS1's!
Old 04-20-2009, 11:12 PM
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Originally Posted by BLK,97,T/A,M-6
Maybe people still own LT1's cause the parts are so much cheaper, we can buy more stuff for the same buck, and own LS1's!
...until you add a nice cam to the LS1, then the playing field is pretty level again.
Old 04-20-2009, 11:34 PM
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Originally Posted by SS MPSTR
...until you add a nice cam to the LS1, then the playing field is pretty level again.
You're right, any sap can cam a GEN III and make power
Old 04-20-2009, 11:42 PM
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nice #'s. i ordered TFS 200cc heads today, hope to make 430rwhp on a brand new 4bolt main 350ci with street/strip intake and valvetrain upgrade


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