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Background: When I got the car, it was a stock L26 with flat top carburetors. Three years ago, I changed out the carburetors for round top carburetors. For a while I noticed that after I had been running at freeway speeds, returning to stop-and-go traffic would result in hesitation during acceleration until it seemed like the car cooled down for a while. I enriched carburetors some more, and the problem seemed to go away. In February, I did an engine swap, putting in an L28 with an N47 Maxima head. Since the head wasn't configured for a mechanical fuel pump, I just ran the stock elec
For your consideration is a Holley carb conversion package with everything you need to run. Includes 240Z SU type intake manifold, 4 barrel conversion manifold, 1 Holley 390 cfrm in good condition with fresh rebuild, 1 spare Holley 390 carb of unknown condition (may need rebuild), linkage arm, and chrome air cleaner with filter. The 4 barrel conversion manifold is an odd beast for sure. Looks like it was made for a blow through turbo. It really drops the carb down low and has connections on the bottom for some kind of cooling (or heating?) system. Really interesting piece. I took this of
Hi there, I've just finished building a new four barrel carburettor for my next development phase on my L28. The Holley originally started off as a 'run of the mill' 450 cfm (list 4548) vacuum secondary four barrel. Since then, it has been extensively modified and upgraded to suit my requirements. Some of the features it has are: 4 corner idle mixture adjustment Downleg booster venturis Electric choke Reworked metering blocks to include adjustable power valve channel restriction and idle/off idle circuits via screw in jets Percy's adjustable metering blocks for primary and secondary main fuel