Electronic spark controller Eradication. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

irishman999 · 07-27-2010, 07:20 PM

I turned my distributor counter clocking wise wich is advance right? Ok so when i have it turned almost to the point the vaccume advance is hitting the manifold the truck runs smooth and idle's perfect. The only noticeable problem is while cruising and flooring it there is a split second of hesitation.

I found the wire going to my knock sensor melted onto the exhaust manifold. A member here told me yesterday it retards the timing, is that the electronic spark controller that retards timing? I cant remember wich wires to splice to bypass the controller, I dont have a test light either so im just doing this by seat of pants feel. If

gchemist · 07-27-2010, 09:42 PM

Yes, the ECS retards timing when it detect pinging.
You can by pass it. Instructions: http://www.73-87.com/7387garage/drivetrain/escrepl.htm

irishman999 · 07-27-2010, 10:43 PM

So if the wire melted onto the exhaust manifold would that tell the ESC the truck is pinging? Also i really want to start cutting some of these crappy wires off, i went to after market gauges so have some loose wires, can you buy a new wiring harness that plugs directly in place of the one i have in my engine bay?

irishman999 · 07-27-2010, 11:43 PM

Awesome, this helps me alot. Thanks alot!

gchemist · 07-28-2010, 12:51 AM

You can unplug the entire harness. I removed mine with my current engine. Pull the ECS module. Next pull all the wires in the engine bay. I ended up selling my ECS to someone here in AZ.

irishman999 · 07-28-2010, 01:01 AM

So according to this i just connect the green and black wire on the distributor plug side and i do not even have to plug it back in? What part of Az are you in?

68 TT · 07-28-2010, 09:50 AM

Without ESC the distributor will have no advance capabilities and your power & gas mileage will go into the toilet.

You need to put in an older HEI with vacuum advance to replace the one in your truck now.

spudz · 07-28-2010, 01:02 PM

Quote:

Originally Posted by 68 TT

Without ESC the distributor will have no advance capabilities and your power & gas mileage will go into the toilet.

You need to put in an older HEI with vacuum advance to replace the one in your truck now.

not true you can just unplug the esc, splice the green and black wires together and you can throw away all the esc crap. this converts it to a regular hei unit.

cableguy0 · 07-28-2010, 05:50 PM

The esc distributors still have mechanical and vacuum advance. That pos esc box just causes problems. They didnt work worth a damn in the 80's but were a feeble attempt at making an effort to reduce emissions. The distributor is perfectly capable of functioning without it.

irishman999 · 07-29-2010, 11:23 AM

I spliced the green and black wire leaving the plug together still. Seems to run great, good power up hills. Im still needing to put a timing light on it and trying to remember to write down my mileage so i can calculate gas mileage.

cableguy0 · 07-29-2010, 06:49 PM

Unplug the plug. You just bypassed the box by splicing the wires. Unhook it so nothing shorts out.

07-27-2010, 07:20 PM	#1
irishman999 Registered User Join Date: May 2010 Location: Reno Ne-VAH-da Posts: 594	Electronic spark controller Eradication. I turned my distributor counter clocking wise wich is advance right? Ok so when i have it turned almost to the point the vaccume advance is hitting the manifold the truck runs smooth and idle's perfect. The only noticeable problem is while cruising and flooring it there is a split second of hesitation. I found the wire going to my knock sensor melted onto the exhaust manifold. A member here told me yesterday it retards the timing, is that the electronic spark controller that retards timing? I cant remember wich wires to splice to bypass the controller, I dont have a test light either so im just doing this by seat of pants feel. If

07-27-2010, 09:42 PM	#2
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Re: Electronic spark controller Eradication. Yes, the ECS retards timing when it detect pinging. You can by pass it. Instructions: http://www.73-87.com/7387garage/drivetrain/escrepl.htm __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

07-27-2010, 10:43 PM	#3
irishman999 Registered User Join Date: May 2010 Location: Reno Ne-VAH-da Posts: 594	Re: Electronic spark controller Eradication. So if the wire melted onto the exhaust manifold would that tell the ESC the truck is pinging? Also i really want to start cutting some of these crappy wires off, i went to after market gauges so have some loose wires, can you buy a new wiring harness that plugs directly in place of the one i have in my engine bay?

07-27-2010, 11:43 PM	#4
irishman999 Registered User Join Date: May 2010 Location: Reno Ne-VAH-da Posts: 594	Re: Electronic spark controller Eradication. Awesome, this helps me alot. Thanks alot!

07-28-2010, 12:51 AM	#5
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Re: Electronic spark controller Eradication. You can unplug the entire harness. I removed mine with my current engine. Pull the ECS module. Next pull all the wires in the engine bay. I ended up selling my ECS to someone here in AZ. __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

07-28-2010, 01:01 AM	#6
irishman999 Registered User Join Date: May 2010 Location: Reno Ne-VAH-da Posts: 594	Re: Electronic spark controller Eradication. So according to this i just connect the green and black wire on the distributor plug side and i do not even have to plug it back in? What part of Az are you in?

07-28-2010, 09:50 AM	#7
68 TT Still plays with trucks Join Date: Jul 2009 Location: Spokane, WA Posts: 3,563	Re: Electronic spark controller Eradication. Without ESC the distributor will have no advance capabilities and your power & gas mileage will go into the toilet. You need to put in an older HEI with vacuum advance to replace the one in your truck now. __________________ miSSed opportunity - ground up creation of an AWD 1994 454 SS that never was http://67-72chevytrucks.com/vboard/s...d.php?t=795577 69 C10 shortbed stepside 400 small block - built like what a super sport truck could have been 69 K20 lwb TBI 350 4L60E NP208 14-bolt Dana-44 w/disc 68 Camaro SS / RS 500hp 439 inch roller cam big block 4L80E 79 Malibu TPI 350 4L60 w/ Z28 steering & sway bars

07-28-2010, 05:50 PM	#9
cableguy0 Senior Member Join Date: Apr 2000 Location: Delta,Pa Posts: 14,948	Re: Electronic spark controller Eradication. The esc distributors still have mechanical and vacuum advance. That pos esc box just causes problems. They didnt work worth a damn in the 80's but were a feeble attempt at making an effort to reduce emissions. The distributor is perfectly capable of functioning without it. __________________ Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.

07-29-2010, 11:23 AM	#10
irishman999 Registered User Join Date: May 2010 Location: Reno Ne-VAH-da Posts: 594	Re: Electronic spark controller Eradication. I spliced the green and black wire leaving the plug together still. Seems to run great, good power up hills. Im still needing to put a timing light on it and trying to remember to write down my mileage so i can calculate gas mileage.

07-29-2010, 06:49 PM	#11
cableguy0 Senior Member Join Date: Apr 2000 Location: Delta,Pa Posts: 14,948	Re: Electronic spark controller Eradication. Unplug the plug. You just bypassed the box by splicing the wires. Unhook it so nothing shorts out. __________________ Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.



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