FAQ
Does the CFI‑Enforcer replace my carburetor?
No. Your carburetor stays in place and continues to meter airflow and provide baseline fuel. The ECU simply adds precision control on top of it.
Will my engine still look like it has a carburetor?
Yes. Nothing about the carburetor’s appearance changes. No throttle‑body conversion. No hidden EFI unit.
Do I need to modify my fuel tank or run high‑pressure lines?
No. The system works perfectly with low‑pressure pumps (3–10 psi) and your existing fuel plumbing. High‑pressure mode is optional.
Does this affect peak horsepower?
No. Your carburetor still provides airflow and charge cooling, so peak power is preserved.
What improvements will I notice right away?
1. Faster, cleaner cold starts and warm-ups
2. Smoother idle
3. Better part‑throttle drivability
4. No bogs or flat spots
5. More consistent AFR
6. Reduced exhaust odor
7. Better mileage
What happens if the electronics fail?
The carburetor keeps running mechanically. You can still start the engine and drive home. This is a true mechanical fail‑safe — something EFI cannot offer.
Is tuning required?
Only minimal setup is needed. Most users run the carburetor normally, and the ECU handles the fine‑tuning automatically.
Can I lean the carburetor mixture slightly for better results?
Yes — many users choose to lean the carb slightly so the ECU can “fill in the gaps” with precise fueling.
Does the system control ignition timing?
Yes. The ECU provides variable, modern spark control based on RPM, load, AFR and
temperature for smoother operation and better drivability.
Will this work with my existing mechanical fuel pump?
Yes. Most mechanical pumps fall within the ideal low‑pressure range.
Is installation difficult?
Not for most DIY’ers. A weld bung for the oxygen sensor will need to be welded to an exhaust pipe and the ECU will need to be mounted. Normal plumbing and wiring is required. (See instructions) No tank modifications, no return lines, and no EFI plumbing are required.
Does this work on big‑block, small‑block, and crate engines?
Yes. The system is designed for classic V8s, street rods, resto mods, muscle cars, and crate engines.
Does this work with aftermarket ignition systems?
Yes — the ECU can integrate with most common ignition setups.
Is this a full EFI conversion?
No. It’s a hybrid system that keeps the carburetor and adds modern control where it matters.
Why choose this over EFI?
1. No tank modifications or replacement
2. No high‑pressure plumbing
3. No loss of carburetor character
4. True mechanical fail‑safe
5. Lower overall cost and easier installation
6. Better cold starts and drivability than a carb alone
Why choose this over TBI?
1. No throttle‑body/injector restriction
2. Carburetor airflow is preserved
3. Better power retention
4. Cleaner, more precise supplemental fueling
Does the system work with blowers or nitrous?
Yes — with proper setup. (Your installer can follow the guidelines in the technical
documentation.)
Does the system work with any pump-fuel?
Yes.
What maintenance is required?
Very little. Just keep sensors clean and follow normal carburetor maintenance.
In Plain Terms
The CFI‑Enforcer gives you the look and power of a carburetor with the drivability of EFI, without the cost, plumbing, or complexity of a full conversion.