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Join Date: Dec 2001
Location: MA USA
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EFI logging data

I did some logging so I could do some tuning.

Ambient temps are around 80degs F.

I did a WOT roll on from 2700rpm to 4500rpm in 4th gear. It took 5.7 seconds to do that. My air temp went from 80 degs to 84.

I did a blast from 5 mph to about 100mph. It took about 10seconds (I didn't time that one). My air temp rose 10 degs.
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Dean
911 SC turbo, 3.0L 930 motor, G50, 930 brakes, DTA EFI, 352 RWHP DynoDynamic dyno,
Old 07-15-2007, 04:32 PM
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Sounds like you've got a pretty good intercooler.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
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Old 07-15-2007, 06:25 PM
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Quote:
Originally posted by RarlyL8
Sounds like you've got a pretty good intercooler.
And he made it himself!!
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Old 07-15-2007, 06:49 PM
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I dug around my latest log file and found a 6 second blast starting at 3700 in second I think (I don't have mph or gear) up to 6700 then up to 5000 in third (about 50 to 100 mph). The inlet temp went from 94 to 110, then in about 6 more seconds off throttle it was back to 95. This is with an ambient temp of about 87. The sensor is a fast response Bosch.
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Old 07-16-2007, 02:56 PM
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My latest log shows 5.12 sec, 2750 rpm up to 6250 (most likely 2nd gear), 8 degrees increase, 6 seconds to bring it back down to starting temp. Its a Bell IC and I also use the Bosch sensor. Interesting info - thanks.
Old 07-16-2007, 05:27 PM
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I didn't notice how long it takes for my IAT to return to before boost temp. It seems like it takes longer than 6 sec. though. Your temps return real fast. I will have to note my return temps next time.

I am having a lot of fun logging and seeing all the paramaters of how a motor runs.
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Dean
911 SC turbo, 3.0L 930 motor, G50, 930 brakes, DTA EFI, 352 RWHP DynoDynamic dyno,
Old 07-16-2007, 06:01 PM
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