I’ve been particularly fascinated by auto products ever since I’ve been able to drive as a teenager. Luckily, there is no incorrect option. How to Diagnose HEI Distributer, No Spark No Start. Best HEI Distributor For 350 Chevy For Better Performance – Buyer’s Guide, HEI Distributors For 350 Chevy Comparison Chart. We have it rated at 7,000 rpm. These were sufficient for the time — albeit maintenance-heavy — ignition system that worked well on stock engines. Will these distributors work with it? This great option produces 67 percent more energy with a 45 percent faster spark breakdown time when times are compared with the stock HEI distributors. AcPulse B072MHVZXJ – Best Heavy-Duty HEI Distributor Review, 75,000 high-voltage coil sparks through 9,000 RPMs, High output coil produces 65,000-volt spark, HEI distributor for small block/big block Chevys, 75,000 high voltage coil spark through 9,000 RPM, upgrade for racing application, High output coil which produces 65,000 volt spark through 7,500 RPM, HEI Complete Distributor 283, 305, 307, 327, 350, and 400 small blocks, and 396, 427, and 454 big blocks. All rights reserved. This page describes the installation of a GM HEI (High Energy Ignition) electronic distributor in my '74 Nova with a 350 small block. Luckily, the folks at Performance Distributors realize this and have just what you OE-look hot rodders are wanting — the Dual Power distributor. This HEI distributor’s gear is ground to exact tolerances for tighter mesh with the camshaft. This distributor is manufactured to fit your 350 Chevy vehicles perfectly so that it provides the best performance, durability, and service life that you have come to expect from this company’s brand. MyGarageTool.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com (amazon.co.uk, amazon.ca, amazon.fr etc.). While the HEI cap houses the coil, the Smaller Dual-Power distributor utilizes an external coil. The Inferno 2 is rated at 45kv and has a top RPM ability of 10,000 revs. ACDelco 93440806 HEI distributor comes recommended directly from GM as a replacement to the original part. With a purchase of this HEI distributor, you will get an assembly that consists of a switching device, distributor cap, distributor motor, and distributor shaft. This could be caused by having too much resistance, or a corroded connection. Available for immediate shipment. 90 If you buy the Mopar Performance electronic ignition system, it comes with extensive instructions, wiring diagrams, and other information. Because its reliability and the high-energy spark it delivered, it was — and still is — a staple-upgrade among many enthusiasts. However, even if you decide to do your own research to find another option instead of purchase an option off this list, you now have all the necessary information and knowledge needed to be able to find the perfect HEI distributor for your 350 Chevy. The HEI works as it senses pulses emanating from the spinning distributor shaft as it rotates within the magnetic pick-up. General Motors developed the High Energy Ignition, also known as the HEI system. Both coils can jump a massive plug gap of .055-inch. : If you want to add vacuum advance to your engine, then you can have better accelerating times and be able to speed away from red light and stop signs without a hitch. The Street/Strip DUI internal coil is rated at 50kv and has a maximum RPM output of 7,000-7,500. The HEI Distributor tests will be done using the same high performance 45,000 volt (secondary), .7 ohm (primary) coil with no ballast resistor. All carbureted GM engines in cars built from 1980 to about 1974-'75 and trucks from 1986-back use this type HEI distributor. Vacuum advance kits are fairly cheap, many are around 30-40 dollars a-piece, and can aid in your engine’s performance. This greatly improves throttle response and low-end performance.”. HEI Conversion Kit converts a mechanical breaker point ignition system into an electronic ignition for improved performance and reliability. and 1974 Buick Century Gran Sport Stage 1 (distributor code 1112521). The GM HEI, which stands for High Energy Ignition, is a breakerless, transistor- controlled, inductive discharge system. Easy-to-adjust, maintenance-free magnetic pickup, precision reluctor, polished steel shaft How do I know when my HEI distributor is going bad and needs to be replaced? Both distributors use an internal module that is mounted underneath the reluctor assembly. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. The HEI incorporates a magnetic pick-up assembly that contains a permanent magnet, a pole piece with internal teeth, and an electronic module. However, government mandates in the ’70s demanded the OEMs deliver vehicles that offered better emissions and fuel economy. Red cap, Direct fit for GM application utilizing the 4-pin ignition module, 75,000 high-voltage coil spark option for racing applications, Standard coil has 65,000-volt spark through 7,500 RPMs, Wide compatibility to work with many GM and Chevy models, Named our top pick for its great features, Cost-effective and budget-friendly option, Durability is in question due to negative customer reviews, Reliability is a concern because of a low number of customer reviews, Assembly that contains a switching device, aistributor cap, distributor rotor, and distributor shaft, GM-recommended replacement part for your GM vehicle’s original factory component, Quality, reliability, and durability of GM OE, Manufactured to GM OE specification for fit, form, and function, The switching device or sensor provides the signal to switch the ignition coil primary circuit on and off at the correct moment, Comes with all accessories need with the purchase, Made for a perfect fit for 350 Chevy vehicles, Provides great performance, durability, and a long service life, Ignition control module’s durability is in question due to customer reviews, Long-term durability is in question due to the low number of customer reviews, Aligned and honed high quality bronze sintered bushings, Centerless ground corrosion resistant shaft reduces friction and provides concentric operation, Distributor gear is ground to exact tolerances for tighter mesh with camshaft (Bronze distributor gear available), High dielectric strength cap with brass terminals and low resistance center coil brush, Comes with bronze sintered brushings that reduce friction and extend lifespan, The corrosion-resistant shaft provides concentric operation, Dielectric strength cap with low resistance center coil brush for misfire prevention, Produces more energy than stock distributors, Durability is in question because of zero customer reviews, No customer reviews, can’t attest to the reliability and quality, New HEI distributor for small block/big block Chevys, HEI Complete Distributor 283, 305, 307, 327, 350, and 400 small blocks, and 396, 427, and 454 big blocks, Direct fit for GM and Chevy models and utilizes the 4-pin ignition module, Heavy-duty construction with hardened steel gear, Long-term durability is in question due to negative customer reviews, Coils don’t seem to have the longevity that is expected. If you are looking to buy a the best HEI distributor for your 350 Chevy, then you may already know how difficult it can be to sift through all the various options on the market today. This GM original HEI distributor is a great option for a 350 Chevy. These days thanks to companies like Performance Distributors, you can even find a plethora of aftermarket high-performance modules, coils, and even complete, ready-to-run HEI distributors that can be added to a high-performance engine. The GM HEI distributor uses a hall effect for the triggering and sensing the No.1 cylinder location and the rpm of the engine. Those systems were called HEI-Electronic Module Retard, HEI-Electronic Spark Con-trol, or HEI-Electronic Spark Selection.

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