Zitat:
Zitat von fred914
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Auf meinem Motor sind Weber Vergaser verbaut. Laut Handbuch müßte es der Typ 40 IDTP 1 3C sein. Ich versuche mal herausfinden, ob diese auch montiert sind.
Könnte ich auch in diesem Fall die Pierburg Pumpe mit 0,38 bar verwenden?
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Fred
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Hi Fred, hi Thomas,
whooops - an deinem Porsche sind die Weber verbaut worden.
Dein jahrgang hatte beide vergasermodelle verbaut: Zenith und Weber. Haette halt vorher fragen sollen, anstatt 'anzunehmen' ...
Zitat:
Specifications for the Weber 40IDTP3C and 40IDTP3C1
Combined from the Spec Book (4203.20), Factory Workshop Manual (pp. F33-SF5, revised March 1968), Weber manual (3rd Ed., 1973) and carburetors 40IDTP3C #2563 and matched 40IDTP3C1 #2095. (I just happen to have an apparent virgin original pair sitting here for show-‘n-tell.)
Venturi (K) 27 mm. Replaceable.
Preatomizer (we usually call it ‘auxiliary venturi’) 4.5 mm (exit diameter). Replaceable.
Main jet (Gg) 110 (1.10 mm). Replaceable. (Try larger and work down.)
Air correction jet (a) 185 (1.85 mm). Replaceable. (Try smaller and work up.)
Idle fuel jet (g) 50 (0.50 mm). Replaceable. (Try larger and work down.)
Idle air bleed (u) 110 (1.10 mm). Brass piece pressed into carb base – not easily replaceable.
Start fuel jet (Gs) - (na, common to all).
Start air jet (Ga) - (na, common to all).
Cruse power jet - (na, 911S [IDS] only).
Pump jet 50 (0.50 mm); Replaceable.
Emulsion tube F3 (description to follow).
Fuel injection nozzle (j).
Fuel jet for injection nozzle.
Air correction jet for injection nozzle.
Float weight (F); 25.5g.
Float needle valve adjustment; 12.5 to 13.0 mm. (not normally measured)
Fuel level; 20.75 mm ± 1.00 mm from top edge of carburetor housing (with spec fuel pressure).
Float needle valve; 1.75 mm.
Enrichment jet (accelerator pump); 70 (0.70 mm).
Pump valve (accelerator pump) closed
Pump cam (accelerator pump); 3 mm lift.
Pump inlet valve (accelerator pump); closed.
Injection quantity (accelerator pump); 0.5 ± 0.1 ml per stroke. (This is a VERY important number. Try larger.)
Float chamber vent; 6.0 mm.
Mixture discharge port; 5 mm.
Idle mixture discharge port; 1.0 mm.
Bypass bores:
1 = 1.0 mm.
2 = 1.1 mm.
3 = 1.35 mm.
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Nichtsdestotrotz - gleicher arbeitsdruck/benzindruck (~30PSI, .4bar)
Thomas,
exzellente seite! (hab' ich mir gleich ge-bookmarked). Pierburgs sind in den staaten wieder am kommen.
Cheerio
William