Does HEI distributor have dwell?
Instead of having a fixed coil saturation time (dwell) as breaker points did (usually 30° on a V-8 engine), the hallmark of the HEI module was a patented expanding dwell. To confirm the expansion of the dwell, simply connect the green lead of an old tach/dwell meter to the tach terminal on the HEI distributor cap.
Can you put a HEI distributor on a jeep 258?
One swap I’ve always liked is the big cap HEI distributor swap in the Jeep 258 straight six engine. One of the great things about it is, it is extremely simple. When I replaced my CJ-6s tired 232 for a fresher 258, I put an HEI in the 258 rather than swap over the Motorcraft ignition the 258 came with.
What are the wires for the HEI ignition?
The HEI ignition has two wires that get connected to it, one is 12v which should be hot on run. The other wire is for the tachometer. It just doesn’t get much easier than that! The big cap HEI unit has a reputation for being very reliable.
How to install a HEI distributor on a car?
HEI Distributor Installation Instructions. DISTRIBUTOR REMOVAL. 1. Disconnect the negative battery cable. 2. Disconnect the vehicle wiring harness, and distributor wiring harness from the distributor cap. 3. Remove the distributor cap, leaving the spark plug wires attached. Set the cap and wires out of the way.
Is there a HEI distributor on a Chevy Nova?
Many of the Chevy 250 straight sixes used in Chevy and GM trucks and the Chevy Nova come with the big cap HEI distributor. The distributor was used from ’76-’82, but some early vehicles came with a different distributor with a remote coil. I went to my local Pull-and-Save and found one in an ’81 1/2 GM pickup.
How to wire a 60s 3 wire tach to an HEI distributor?
I recently purchased the tachometer for my 67 riviera… The tach I purchased only has 3 wires red one for ignition (I’m assuming), black for ground and blue one for illum… All the newer tach I’ve seen has a green wire that goes to the HEI…
The HEI ignition has two wires that get connected to it, one is 12v which should be hot on run. The other wire is for the tachometer. It just doesn’t get much easier than that! The big cap HEI unit has a reputation for being very reliable.
Can a HEI system be installed on a CJ7?
Plus, a friend of mine who has a CJ7 with the 258 six installed a DUI-HEI distributor and swears by it. That was good enough for me. While all my Jeeps have V-8 engines, you can get an HEI system for your 6cyl too so this article applies to all such Jeeps.
How do you replace a HEI distributor on a jeep?
Get the #1 piston to the top with the starter or by turning the engine over with a wrench. Remove the distributor and get the rotor pointed to #1 wire on the distributor cap. Replace the #1 spark plug and 12v lead to the distributor. If it backfires, it may be 180 degrees off.