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

Dyno results

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Old 08-25-2006, 12:36 PM
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Default Dyno results

Well my best run is in my sig, high 12s at 105. I ran that with an open Y-pipe. For the dyno the Y-pipe was connected to the rest of the exhaust, which includes the stock 2.75" over the axle pipe to my 3" magnaflow. I have pacesetter LTs, ORY, and a cai for power mods, besides the free ****.

I got 285/320 on a dynojet. Best out of three runs, took it to 6K and tapped the limiter. My A/F was 11.8:1, it just went richer than **** when the car hit WOT. I think the car leaned out with the open exhaust which explains why it ran so good at the track.

Wonder what I'll get with a tune?
Old 08-25-2006, 12:44 PM
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good numbers but you def need a tune, people dyno the same with just a CAI and catback.
Old 08-25-2006, 04:33 PM
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Originally Posted by urbanhunter44
Well my best run is in my sig, high 12s at 105. I ran that with an open Y-pipe. For the dyno the Y-pipe was connected to the rest of the exhaust, which includes the stock 2.75" over the axle pipe to my 3" magnaflow. I have pacesetter LTs, ORY, and a cai for power mods, besides the free ****.

I got 285/320 on a dynojet. Best out of three runs, took it to 6K and tapped the limiter. My A/F was 11.8:1, it just went richer than **** when the car hit WOT. I think the car leaned out with the open exhaust which explains why it ran so good at the track.

Wonder what I'll get with a tune?
thats a very good track time for just lontubes/ory/cold air. weld a cutout on there after the y and see if that improves the dyno numbers.
Old 08-25-2006, 04:37 PM
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Yeah those times are awesome.
Old 08-25-2006, 04:46 PM
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Well that's my only power mods. I also had mt et streets and lcas on those runs.

I'm sure the A/F is what's f'd up. I just took the exhaust back apart and it feels like it has a ton more power. With the exhaust corked up it won't hardly spin the tires from a roll in first, with it apart it lights them up big time and pulls much much harder. I'll get a tune and redyno it after I get my exhaust redone (full 3" with powerstick muffler).
Old 08-26-2006, 02:39 PM
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Some pretty good dyno numbers, get a tune on there and you should be over 300rwhp. How many miles are on the car?



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