73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => Performance => Exhaust => Topic started by: polish pete on December 15, 2010, 10:03:23 pm
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hey guys just got some jegs headers for my 80 gmc, i cheaped out for now and i wanted to see the quality, anyways how close can i get to the plug wires before i start torching them? also there contacting the starter is that okay? or can it heat it up enough to where the starter wont turn?
and also just to ask does the smog pump get oiled from the engine?
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I think if thee wires Ain't touching your ok but you have trouble account forr movement so I try to keep it 1/2" away if I can. And heat on the starter will make it weak you want to bent that pipe away from the starter
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My number 2 plug wire melted to my header, i pulled it off the header and changed my routing a bit and now its about 1/8th inch from the header. No problems.
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well none of them are touching so i guess an 1/8th away wont do any major damage, and ill try to source out a micro starter if anything.
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its touching now i would think even a micro would be close and will heat soak
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You can get a starter wrap. Works pretty good.
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I would say you could wrap the headers too but that would cost you about what you payed for the headers. Yeah....wrap the starter.
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If you're concerned with spark plug wire clearance, use asbestos sleeves over the wires. Mine have been laying on the headers for a few thousand miles now and haven't even discolored. I also used a cable come-a-long to pull the header out away from the starter a bit.
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If you're concerned with spark plug wire clearance, use asbestos sleeves over the wires. Mine have been laying on the headers for a few thousand miles now and haven't even discolored. I also used a cable come-a-long to pull the header out away from the starter a bit.
I use the same on my wires, i went through 3 sets of wires melting to the headers before i put them on. no problems since, been over a year.
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How much for the asbestos sleeves?
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Mine were in a 4 pack, and I think they were about $20. I only needed them for my #1 and #3 cylinders. Any parts store or race shop should have them in stock.
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even if you wrap the starter you would still have to bend the pipe away. the sleeves i see why some put them on. but i dont think they are needed, just another way for someone to make money
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i see lots of useless help in this thread, my local race shop has a full set of spark plug covers for 50 bucks might need to invest in them and ill figure something out with the starter.
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Well Pete you asked for help you got it. now your saying its useless but if you knew what you were doing and had useful information to begin with then you wouldn't have asked for help so all you had from the get go was useless information and I/we just help you out with more useless information. So I guess your saying thanks and here I am to say hope you get it figured out and ask the guys and your race shop what to do. But remember one thing all they want is your money. If you did a search you will see its been covered with more useless information
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oh crap im sorry man i meant to say useful info, i was half asleep when i typed that ;D but in all seriousness this was very helpful guys sorry if i came across as an ass in that last post
i ask these questions to get real world experience instead of just some info,
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Lmao I was hoping that's what you ment::)
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My real world info then is wrap your headers Youll extend the life of those headers and squeeze a tad more performance out of them.
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Wrapping headers will void their warranty, and if they are cheap headers, they will warp and rust.
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yea thats what it thought, ^^^ i know its better for them but ive heard of people cracking them because of hot spots where its not fully wrapped, and there cheap ones they will most likely warp at the flanges anyway.
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Pete,
I'm looking to do the same thing before spring. If you would, let me know what ended up working out the best for you. I have an 80 Chevy swb c-10 with a 305. Thanks!
Scott
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hey guys put them on and they were ok fitting, my opinion is to get some quality stuff to not worry about fitment.
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This is what happens when you wrap headers.
(http://img329.imageshack.us/img329/1781/p4020011vg5.jpg)
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Wrap keeps moisture on the headers ans DESTROYS them, as the pictures show....
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wrapping headers is bad, but is the sleeves on the plug wires okay?
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Yes, and depending on which headers and plug wires you have, they can be absolutely necessary to keep the wires from melting. Look at the picture I posted on the first page. My plug wires are nearly 3/4" in diameter with the extra shielding, which is double any stock wire I have ever seen.
i dont think they are needed, just another way for someone to make money
It's a way for me to make money. Those wires were $150, and the sleeves are cheap insurance so I don't need to buy another set ;D
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Grim, I've got the 8mm double insulated wires, and the number 2 plug wire touches the headers in like 4 spots. The boot for the plug, and the wire itself. So, my truck starts running like CRAP because it begins arching off onto the header and I get a miss fire. I have to stop, pop the hood, and move the wire off the header. So, I'll look into those sleeves.
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I run the "socks" and have no issues since I got them. Prior to that, my wires melted too many times in 2 months...