Aftermarket Holley 0-80508S 4160 Series 750CFM Electric Choke Vacuum Classic Carburetor
This carburetor is manufactured to OEM specifications as a direct replacement part. Each unit undergoes quality testing for flow rate, pressure rating, and durability to ensure reliable field performance. Designed for professional mechanics and fleet operators who need parts that fit right the first time.
Vehicle Compatibility
| Application | Details |
|---|---|
| Chrysler Vehicle:1967 | 1969 3001967-1969 Imperial1967-1969 New Yorker1967-1969 Newport1967-1969 Town & Country |
| Ford Vehicle:1968 | 1969 Country Sedan1968-1969 Country Squire1968-1969 Custom1968-1969 Custom 5001968-1969 Galaxie 5001968-1969 LTD1968-1969 Mustang1968-1969 Ranch Wagon1968-1969 Ranchero1968-1969 Thunderbird1968-1969 Torino1968-1969 Fairlane |
Replaces OEM Part Numbers
0-80508S • 080508S • Specification • Barrels • 4Booster • StraightCarburetor • StreetCFM • 750Choke • ElectricCircuit • 2Condition • NewFinish • SILVERFuel
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the carburetor may be the cause:
- Engine floods easily — The float valve isn’t seating properly, allowing fuel to overflow into the bore. The engine loads up with fuel and won’t start until it clears.
- Lean surging at cruise speed — A blocked main jet or partially clogged passage causes the engine to run lean under steady throttle. It surges as the mixture alternates between lean and rich.
- Black smoke and rich smell — Too much fuel relative to air. Check the choke mechanism, float level, and jet sizes if the carburetor has been modified.
- Fuel dripping from the carburetor — A worn needle and seat or stuck float allows fuel to overflow. This is a fire hazard and should be fixed immediately.
- Hard starting when cold — The choke circuit may be blocked or the enrichment valve stuck. Cold-start problems on a carbureted engine almost always trace back to the choke.
- Inconsistent idle speed — The idle mixture screws may need adjustment, or there’s a vacuum leak at the carburetor base gasket.
Rebuild Tips
Before installing the new carburetor, clean the manifold surface and check the gasket for any damage or vacuum leaks. Set the idle mixture screws to the baseline position (typically 1.5 turns out from fully seated) before starting. After starting, warm the engine to operating temperature, then fine-tune the mixture screws for the highest smooth idle. Adjust the idle speed screw last. If the engine backfires through the carburetor, check the valve adjustment and ignition timing.
Frequently Asked Questions
Can I cross-reference 0-80508S with 080508S?
Yes. Both 0-80508S and 080508S are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My vehicle is a 1966 model – is it covered?
The compatibility range for this part includes 1966-1969. The 1966 model year falls within this range, but verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
Should I rebuild or replace the carburetor?
If the throttle shaft has lateral play or the carburetor body is warped, replacement is the better option. A rebuild kit handles gaskets, jets, and needles but can’t fix mechanical wear. For most applications, a new carburetor costs about the same as a professional rebuild when you factor in labor.
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