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02-04-2011, 10:36 AM | #1 |
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Spark plug wires with HEI and headers
I am putting the motor in my truck and need some new spark plug wires. I have a 350 with an HEI distributor and headers. Should I use 90 degree plug boots, or what? I think it would make sense to get a universal kit that I can tailor the length of the wires, but wasn't sure about the boots.
Any suggestions would be appreciated! Thanks!
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71 Chevy C10 Shortbed Stepside. LT1 with 4l60E. Just got back from painter, in assembly now. Last edited by FL71C10; 02-16-2011 at 09:37 PM. |
02-04-2011, 11:08 AM | #2 |
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Re: Spark plug wires with HEI and headers
I have a very similar set up. I'm running MSD part number 31763. I run them down the back side of the block, across near the oil pan and up to the plugs. I run the front two between the block and the motor mounts. Keeps them out of the way and looks clean.
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1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
02-04-2011, 11:13 AM | #3 |
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Re: Spark plug wires with HEI and headers
So they run behind the headers, or underneath?
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71 Chevy C10 Shortbed Stepside. LT1 with 4l60E. Just got back from painter, in assembly now. |
02-04-2011, 12:21 PM | #4 |
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Re: Spark plug wires with HEI and headers
I run wires from NAPPA that are for a 74 vette 350 and run them down behind and under headers,just like LEE said
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2001 Silverado K-1500 2005 FXDWG stage3 69 CHEVY Short/Step 327/4L60 373 posi 63 IMPALA 327 |
02-04-2011, 01:12 PM | #5 |
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Re: Spark plug wires with HEI and headers
So the spark plug boots are 90 degree angle ones?
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71 Chevy C10 Shortbed Stepside. LT1 with 4l60E. Just got back from painter, in assembly now. |
02-04-2011, 01:40 PM | #6 |
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Re: Spark plug wires with HEI and headers
I used stock '76 truck Delco wires on 1 I did. No issues.
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'83 K20-TPI '73 C10 '79 C10-ex-diesel(SOLD) '07 Tahoe(Son driving) '14 Suburban-DD '71 C10-current project |
02-04-2011, 04:06 PM | #7 | ||
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Re: Spark plug wires with HEI and headers
They have to be... or you'll burn them on the headers regrdless of which way you route them.
Gary
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02-05-2011, 11:08 AM | #8 |
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Re: Spark plug wires with HEI and headers
Yes they are 90degree boots
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2001 Silverado K-1500 2005 FXDWG stage3 69 CHEVY Short/Step 327/4L60 373 posi 63 IMPALA 327 |
02-25-2011, 12:27 AM | #9 | |
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Re: Spark plug wires with HEI and headers
Quote:
Thanks for the tip. I ordered those wires from jegs and put them in tonight. They fit great. Almost ready to start it up!
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71 Chevy C10 Shortbed Stepside. LT1 with 4l60E. Just got back from painter, in assembly now. |
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02-25-2011, 12:23 PM | #10 |
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Re: Spark plug wires with HEI and headers
Your welcome. Hope all goes well with your build. One extra tip, keep the number 5 & 7 wires separated. As they fire next to each other in the firing order they can cross fire causing an annoying miss.
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1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
02-25-2011, 12:50 PM | #11 |
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Re: Spark plug wires with HEI and headers
i like cut to fit wires from taylor and the sets i've used came with both 90's and straight boots so you can use what works best
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02-25-2011, 03:25 PM | #12 |
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Re: Spark plug wires with HEI and headers
Back in the day, silicone plug wires were strongly recommended with headers because of the added heat. Is that no longer the case or do all of them have silicone jackets?
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07-28-2012, 10:09 PM | #13 |
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Re: Spark plug wires with HEI and headers
I need wires asap. I am running a Chevy small block with headers.. I notice some boots are straight and some are 90 degrees... I want to run them over the valve cover, can i still use 90 degrees on all eight?
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