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The Terminator
Terminator Talk
Normal STFT high LTFT
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<blockquote data-quote="efnfast" data-source="post: 17041791" data-attributes="member: 104733"><p>I probably should clean it out someday, but I have enough projects for this month so I settled on just fixing the current issue.</p><p></p><p>I got the car back together, runs great ... I guess it was running a bit sluggish with the gigantic hole in the intake manifold and after 2-3yrs I stopped noticing. </p><p></p><p>I ended up going to open breathers because I liked the look and got tired of all the pcv hose routing, hah (yes I'm aware of the heated argument between both sides). </p><p></p><p>I did some data logging of the fuel trims .... I originally had the car tuned at 5,000 miles .... but I think for having an engine/parts that have loosened up over 300,000 miles these are good readings (i.e., no need for a re-tune)</p><p></p><p>Idle - ST/LT both range 0.98 to 1.02 (whereas with blown out lower intake hose ST was 1.2 and LT was 1.25 and somehow no check engine light?)</p><p></p><p>Cruising/moderate acceleration (normal driving) - ST ranges from 0.9 to 1.1 average of 0.95; LT ranges from 0.98 to 1.1, average of 1.05 (so I think average of 0.95 ST + 1.05 LT = balanced fuel trim?)</p><p></p><p>Full throttle - ST immediately drops from 0.95 to around 0.8, then moves back up to 1.0; LT holds 1.0</p><p></p><p>FPDC - around 0.27 at idle, 0.33 when normally driving around, 0.42 under full throttle</p></blockquote><p></p>
[QUOTE="efnfast, post: 17041791, member: 104733"] I probably should clean it out someday, but I have enough projects for this month so I settled on just fixing the current issue. I got the car back together, runs great ... I guess it was running a bit sluggish with the gigantic hole in the intake manifold and after 2-3yrs I stopped noticing. I ended up going to open breathers because I liked the look and got tired of all the pcv hose routing, hah (yes I'm aware of the heated argument between both sides). I did some data logging of the fuel trims .... I originally had the car tuned at 5,000 miles .... but I think for having an engine/parts that have loosened up over 300,000 miles these are good readings (i.e., no need for a re-tune) Idle - ST/LT both range 0.98 to 1.02 (whereas with blown out lower intake hose ST was 1.2 and LT was 1.25 and somehow no check engine light?) Cruising/moderate acceleration (normal driving) - ST ranges from 0.9 to 1.1 average of 0.95; LT ranges from 0.98 to 1.1, average of 1.05 (so I think average of 0.95 ST + 1.05 LT = balanced fuel trim?) Full throttle - ST immediately drops from 0.95 to around 0.8, then moves back up to 1.0; LT holds 1.0 FPDC - around 0.27 at idle, 0.33 when normally driving around, 0.42 under full throttle [/QUOTE]
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Normal STFT high LTFT
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