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Establishing baseline - K-jet 140-160 1974

posted by  Kane on  Wed Jan 29 18:25 CST 2003
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Having since made things worse ... any tips on re-establishing the baseline A/F ratio on a '74 B20F with K-jet injection?

Where is is right now ...

- with the air intake hose off, it'll start but barely sustain running with the throttle at about 3/4. Throttle plate is at rest, with a slight gap of about a paper's thickness.
- with the air intake connected, it'll barely start, and sustain running at about 1500 rpm with the throttle wide open. At half throttle, it's "idling" at around 3-500 rpm.

Ignition stuff is all fresh (plugs, wires, cap, rotor; no points, it was previously swapped for a Pertronix). Compression is fine (140-150). Exhaust is free-flowing, single muffler with pipes bent from sch.10 piping.

Too lean, too rich, or just so way off that I'll just have to try everything?

-- Kane ... it all started when dad said "it needs more power!"
--
Blossom II - '91 745Ti/M46 ... Bubbles - '74 144GL/BW35 ... Buttercup - '86 245GL/AW70 ... The Wayback Machine - '64 P220/M40






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New Establishing baseline - K-jet [140-160][1974]
posted by  Kane  on Wed Jan 29 18:25 CST 2003 >


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