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04-24-2002, 04:40 PM
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#1 |
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Registered User
Join Date: Mar 2002
Location: Jasper, AL USA
Posts: 19
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HEI problems(HELP)
I just put an HEI distributor in my Blazer and it will not fire. The battery wire is hooked up correctly and is hot when the switch is on. What can I do? Also, what is the best gap set for an HEI? Thanks in advance.
------------------ 1971 K5 Blazer 307 3sp/205(project)
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1971 K5 Blazer 307 3sp/205(project) |
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04-24-2002, 04:52 PM
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#2 |
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Registered User
Join Date: Mar 2002
Location: Olathe, Ks USA
Posts: 29
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I stuck one in mine with no problems.
You are sure there is a good strong 12 volts at the connector of the HEI while the engine is trying to start? Make sure you use a large, 12 ga wire to the dist. Check to make sure you connected the 12 volts to the proper connector, and not to the tach output. What did you connect the ground lead of your voltmeter to? Make sure the dist. has a good ground back to the battery. |
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04-24-2002, 04:56 PM
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#3 |
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Registered User
Join Date: Jan 2001
Location: Killingworth, CT. USA
Posts: 3,378
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Was this HEI dist pulled from a running engine? I'm thinking "module" unless this is a new or rebuilt unit.
------------------ 1971 C10 swb stepside 350/700R4/3.73posi Killingworth, Connecticut
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1971 C10 swb stepside 350/700R4/3.73posi (retired as of 4/22/03) 1998 S10 short bed 2002 S10 Blazer 1942 Oldsmobile 1958 Massey Harris Pony 1951 Wife Killingworth, Connecticut May those who love us, love us, any of those who do not love us, may God turn their hearts. And if God is unable to turn their hearts, may he turn their ankles so we may know them by their limping. A man who works with his hands is a laborer; a man who works with his hands and his brain is a craftsman; but a man who works with his hands and his brain and his heart is an artist. |
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04-24-2002, 05:11 PM
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#4 |
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Registered User
Join Date: Mar 2002
Location: Jasper, AL USA
Posts: 19
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Slick1, what do you mean when you said "make sure my dist. has a good ground back to the battery? Thanks for the help guys.
------------------ 1971 K5 Blazer 307 3sp/205(project)
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1971 K5 Blazer 307 3sp/205(project) |
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04-24-2002, 06:43 PM
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#5 |
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Registered User
Join Date: Apr 2001
Location: Goleta, CA
Posts: 505
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Also make sure your Plugs are gapped at 45 and then double check and make sure your Cap and Rotor are not cracked!! I bought an Accel HEI from http://www.jegs.com and when I recieved my dist. it had a cracked rotor, so I replaced that and it Fired Up.. Also make sure the Module is good!! No fire w/ out a good module, cap, rotor or spark plug wires !!
------------------ Truck #1 68 Chev LWB Fleet w/ Wood Floor (Sucks Gas and Hauls Ass!) and in process of Body Work... Truck #2 1994 GMC Sierra SL w/ 4.3L Vortec V6, 4L60E Auto!!
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1968 C10 Truck LWB Fleetside 1968 C10 Truck SWB Stepside 1994 K2500 Ext Cab Fleetside 2008 Honda Civic Si *lease* |
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04-24-2002, 06:51 PM
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#6 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Could it bo 180 degrees out of time?
how about one tooth out of time? ------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio |
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04-24-2002, 07:07 PM
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#7 |
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Registered User
Join Date: Mar 2002
Location: Olathe, Ks USA
Posts: 29
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the dist has to get grounded back to the battery through the engine block. Sometimes the block isn't grounded well to the battery. you can check with an ohmmeter. Are you getting any spark at all?
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04-24-2002, 07:17 PM
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#8 |
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Senior Member
 
Join Date: Mar 2000
Location: Saskatoon,SK,Canada
Posts: 2,476
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You may also need to look at the pick up coil wires. They come out from under the rotor into the distributor harness that connects up with the module. They can break over time from the vac advance moving the coil back and forth.
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Saskatoon, Saskatchewan Canada |
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04-24-2002, 08:04 PM
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#9 |
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Registered User
Join Date: Jan 2002
Location: Calgary/Alberta/Canada
Posts: 103
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1>Find out if your getting spark.
2>If there is no spark then take off the coil cap at the top of the dist and make sure that the wires aren't fried. 3>Get a tester light and see if there is power on the red wire and power on the yellow wire(make sure your ignition is on when you do this) 4>Make sure that the black wire on the coil is grounded to the outer steel part of the coil. If all is good then the coil isn't the problem, its something else. Let me know how it goes. ------------------ 1969 Chev 4x4 9" of lift,327cid,38/16/16.5 Super Swapers,Factory Tack,Powder Coated almost everything. Calgary, Alberta, Canada [This message has been edited by Kruzer69 (edited April 24, 2002).]
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1969 Chev 4x4 9" of lift,327cid,38/16/16.5 Super Swampers,Factory Tack,Powder Coated Frame and other misc.  Calgary, Alberta, Canada
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04-24-2002, 08:17 PM
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#10 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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HEI shouldn't have all that.
If there is no spark, double check the wire you ran for the power is plugged into the ACC/UNFUSED term on your fuse box. ------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio |
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04-25-2002, 11:17 AM
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#11 |
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Registered User
Join Date: Mar 2002
Location: Olathe, Ks USA
Posts: 29
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so, bamak5, did you get it fixed?
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04-25-2002, 12:26 PM
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#12 |
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Registered User
Join Date: Apr 2000
Location: Carmichael, Ca
Posts: 67
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Try this. On the HEI cap, there is a plastic connector housing, two seperate connectors. Inside connector is labeled C (Brown wire) Grd (Black) B+ (red or Pink), these wires connect to the HEI alumn base. Outside connector labeled Tach & Bat.
Turn the HEI cap upside down, look for three metal blades, inside connector. The center blade is for the HEI coil ground. Next remove the cover for the HEI coil, check that the ground blade is attached to the top of the coil. Remove coil, turn the coil upside down and check for a second ground wire from the bottom of the coil to the cap. If these are missing or damaged, the coil will be damaged. As long as you have the HEI coil removed, you might want to clean the five metal blades and check the others wires for damage. ------------------ 72 Cheyenne Super, Fleetside, Shortbed, Original Owner, Special Ordered 350ci/340hp, Auto Trans, 3:70 Posi, Tow Package Northern Calif
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72 Cheyenne Super, Fleetside, Shortbed, Original Owner, Special Ordered 350ci/340hp, Auto Trans, 3:70 Posi, Tow Package Northern Calif |
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04-25-2002, 04:56 PM
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#13 |
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Registered User
Join Date: Mar 2002
Location: Jasper, AL USA
Posts: 19
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I have to wait until this weekend. My blazer is at my parents house and I am in college. Thanks for all the suggestions and help. I will let you guys know how it goes when I get back Sunday night.
------------------ 1971 K5 Blazer 307 3sp/205(project)
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1971 K5 Blazer 307 3sp/205(project) |
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