Starter wire closeness to headers - The 1947 - Present Chevrolet & GMC Truck Message Board Network

superhondaz50 · 03-11-2018, 10:41 PM

How close is too close for starter wires to be near the header? My wires are about 1.5-2" away from the header. My starter is about 1" away, but I am going to put fiberglass adhesive exhaust shield on it, like what they use on dirtbike to keep the pipe from melting the side panel. What y'all think?

BlueChev72 · 03-11-2018, 11:27 PM

That's about how close my starter wire is, and I haven't had any problems so far. Haven't done any summer driving though...

darrellyates · 03-12-2018, 07:40 AM

Quote:

Originally Posted by superhondaz50

How close is too close for starter wires to be near the header? My wires are about 1.5-2" away from the header. My starter is about 1" away, but I am going to put fiberglass adhesive exhaust shield on it, like what they use on dirtbike to keep the pipe from melting the side panel. What y'all think?

On mine, I've got fuel lines, wiring, everything pretty close to the headers and/or engine. I wrapped everything in various sizes of heat shield just to be safe. They have some that goes on just like wire loom, and is good to about 1700 degrees. I got it from Del City (where I get all of my wiring connectors, wire loom... everything wiring related really). It isn't expensive and is good insurance. Use metal zip ties to close and attach. Pretty easy, and looks good in my opinion.

CCCC · 03-12-2018, 10:41 AM

This issue seems common with headers - bigger issues with some designs - and I have fabricated a bolt-on heat shield and used insulators as noted by darrellyates. Rarely a problem (even before the modifications) with highway running, but sitting/idling in heavy traffic was another matter. But, rarely does one of mine ever get in slow/stop traffic. I won't be doing headers again - hassles not worth it.

superhondaz50 · 03-12-2018, 03:14 PM

Ya, I'll use cast headers next time, but I had a perfectly good set of hedmans. This truck definitely won't be sitting in traffic, but will be driving in 120*+ AZ heat.

03-11-2018, 10:41 PM	#1
superhondaz50 Registered User Join Date: Mar 2007 Location: Behind the Taco Bell dumpster Posts: 296	Starter wire closeness to headers How close is too close for starter wires to be near the header? My wires are about 1.5-2" away from the header. My starter is about 1" away, but I am going to put fiberglass adhesive exhaust shield on it, like what they use on dirtbike to keep the pipe from melting the side panel. What y'all think?

03-11-2018, 11:27 PM	#2
BlueChev72 Registered User Join Date: Jan 2018 Location: Little Rock, AR Posts: 66	Re: Starter wire closeness to headers That's about how close my starter wire is, and I haven't had any problems so far. Haven't done any summer driving though... __________________ 72 C20 Custom, Long Bed, 350 / 4 Speed Manual. "Trash Truck"

03-12-2018, 10:41 AM	#4
CCCC Registered User Join Date: Mar 2007 Location: San Pedro River, SE Arizona Posts: 734	Re: Starter wire closeness to headers This issue seems common with headers - bigger issues with some designs - and I have fabricated a bolt-on heat shield and used insulators as noted by darrellyates. Rarely a problem (even before the modifications) with highway running, but sitting/idling in heavy traffic was another matter. But, rarely does one of mine ever get in slow/stop traffic. I won't be doing headers again - hassles not worth it. __________________ CCCC 67 Sting Ray Coupe 327 4sp; 68 K10 Suburban 327 4sp; 69 K20 Lifted 383 4sp; 69 C80 Fire Truck 478 V6 5sp/2sp; 69 C20 Longhorn 327 4sp; 70 C30 Wrecker 350 4sp; 70 C30 Flat Bed 350 4sp; 71 C20 LWB 350 4sp; 72 K5 Blazer 350 4sp; 72 C30 Flat Bed Gooseneck Hauler with sleeper 350/TH400; 72 C20 Longhorn 402 4sp; 52 Mack LTL Supercharged Cummins 5sp x 3sp; 01 Dodge 5.9 HO Cummins 6spd; 02 Safari Trek 2430 8.1 Vortec on Workhorse Chassis; 03 Silverado 2500 HD 4wd Duramax/Allison Moved but still in the family 70 C20 Custom Camper 350/TH350; 72 K5 Blazer CST Highlander 350/TH350 Recently sent to new homes 72 C30 MoHome 402 4sp; 72 K5 Blazer Conv 350 4sp; 75 GMC 6000 Aerial 350 w Allison; 72 GMC 3500 Utility 350 4sp; 70 GMC 3500, 350 4sp

03-12-2018, 03:14 PM	#5
superhondaz50 Registered User Join Date: Mar 2007 Location: Behind the Taco Bell dumpster Posts: 296	Re: Starter wire closeness to headers Ya, I'll use cast headers next time, but I had a perfectly good set of hedmans. This truck definitely won't be sitting in traffic, but will be driving in 120*+ AZ heat.



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