Description
Carburetor Calibration Kit for Edelbrock 750 CFM Series — 1407, 1410, 1412, 1413
Get the most out of your Edelbrock 750 CFM carburetor with this comprehensive calibration tuning kit. Specifically assembled for the larger-displacement models — 1407, 1410, 1412, and 1413 — this kit provides jets, metering rods, and step-up springs needed to dial in air/fuel ratios for big-inch engines, modified cam profiles, and high-altitude operation.
What's Included
-
Primary & Secondary Main Jets — Multiple sizes for fine-tuning WOT fuel delivery
-
Metering Rods — Cruise and power step profiles for economy and enrichment
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Step-Up Springs — Color-coded spring set controlling transition RPM for power enrichment
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Accelerator Pump Components — Nozzles and adjustments for off-idle throttle response
Compatible Models
| Model |
CFM |
Choke |
Best For |
| 1407 |
750 |
Manual |
350-454ci street/strip engines |
| 1410 |
750 |
Electric |
Big-block daily drivers, towing |
| 1412 |
750 |
Manual |
Off-road, high-angle applications |
| 1413 |
750 |
Electric |
Marine applications (USCG approved) |
Tuning Scenarios
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383-454ci street builds — Most 750 CFM Edelbrocks run rich out of box on mild 350s; lean the cruise circuit
-
Dual-quad setups — Two 750s on a tunnel ram need significant leaning from factory calibration
-
Altitude compensation — Every 2,000 ft elevation requires ~2% leaner jetting
-
Marine conversion — The 1413 marine model runs rich; lean jets improve plug life and fuel economy
-
Ethanol tuning — E10 fuel typically wants 1-2 jet sizes richer
Frequently Asked Questions
Q: Will this kit work on the Edelbrock 1407 750 CFM manual choke?
A: Yes. This kit is specifically sized for the 750 CFM Performer Series including the popular 1407 model.
Q: Can I use this on a 1410 electric choke carb on a 454 big block?
A: Absolutely. The 1410 is a great carb for big-block Chevy builds. This kit lets you fine-tune for your specific combination.
Q: How do I know if my carb is too rich or too lean?
A: Read your spark plugs. Black/sooty = rich. White/blistered = lean. Light tan = ideal. A wideband O2 sensor provides precise tuning data.
Q: Is the 1413 marine carb included in compatibility?
A: Yes. The 1413 marine 750 CFM carb uses the same metering system as the automotive 1410.
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