546rwhp unlocked NA - LS1TECH

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546rwhp unlocked NA

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Old 07-11-2012, 04:30 PM   #1
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Default 546rwhp unlocked NA

Last time on a chassis dyno with my old heads cam and unlocked 4l80E I made 469rwhp on 91 octane and 28* timing.

Today with 20* timing I made a pull with 91 and laid down 511rwhp.

With E48 I turned timing up to 28* peak tq and 26* peak hp (what it liked, tried a bit more with no gains), made 546rwhp.

Drained the tank again and put E85 in. Did not gain anything on E85 compared to E48.

Dyno sheet coming.

Combo: 418ci
13-1
PRC 237 heads
254/260 .62x/.63x hyd
Super Vic intake
Dominator TB
1 3/4 stepped to 1 7/8 edelbrock headers (think they are holding me back)
Dual electric cutouts
Power glide with 5,200 rpm verter
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Old 07-11-2012, 04:38 PM   #2
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Nice power, where are you getting e48 never heard of that?
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Old 07-11-2012, 04:49 PM   #3
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Did you try running more timing on the 91oct tune? I am assuming you either ran into detonation issue with more timing?
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Old 07-11-2012, 05:23 PM   #4
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E48 is a 50/50 ratio between e10 91 here and e85.


I did not put more timing in to the 91 tune since it is 13-1 and 8.7 dynamic.
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Old 07-11-2012, 08:24 PM   #5
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Real nice gains.
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Old 07-11-2012, 09:13 PM   #6
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Great numbers
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Old 07-11-2012, 10:20 PM   #7
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Here is the Sheet..

Red is 91
Blue is E48
Orange is E85
Attached Images
File Type: bmp DYNO COMPARE 7-11-2012.BMP (150.1 KB, 66 views)
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dyno, e85, gain, ls1tech, na, timing, witth

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