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05-01-2010, 05:37 PM | #1 |
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Do you need to change plugs when converting to HEI?
I was just curious if you can use the same plugs (part #) in a 250l when converting to HEI or do you need to change them out? What plugs would you recomm if I want to change them out? Thanks Brandon
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05-01-2010, 05:43 PM | #2 |
What?
Join Date: Jun 2007
Location: Southern California
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Re: Do you need to change plugs when converting to HEI?
I'd just re gap them, since the electronic ignitions require a bigger gap most of the time.
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Chris 1968 K20 Suburban 1972 K10 LWB PU |
05-01-2010, 05:48 PM | #3 |
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Re: Do you need to change plugs when converting to HEI?
IIRC, it is .050
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man RIP FleetsidePaul |
05-01-2010, 06:36 PM | #4 |
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Re: Do you need to change plugs when converting to HEI?
.045 plug gap for HEI is recommended.
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05-01-2010, 08:49 PM | #5 |
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Re: Do you need to change plugs when converting to HEI?
so just regap old plugs to .045?
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05-01-2010, 09:50 PM | #6 |
Shake and Bake!
Join Date: Feb 2010
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Re: Do you need to change plugs when converting to HEI?
Yep, but there is never a bad time for new plugs
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"All tyranny needs to gain a foothold is for people of good conscience to remain silent." Thomas Jefferson "You are remembered for the rules you break." General Douglas MacArthur "Support Our Troops And The NRA" |
05-01-2010, 10:43 PM | #7 |
20' Daredevil (Ret)
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Re: Do you need to change plugs when converting to HEI?
Yup, same plugs, .035 with points, .045 with HEI.
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05-01-2010, 10:52 PM | #8 |
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Re: Do you need to change plugs when converting to HEI?
I concur. I just changed mine over to HEI. I could have used my old plugs, but used the opportunity to put new ones in (along with new plug wires). I just made sure I adjusted the gaps.
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1972 Chevy C10 |
05-02-2010, 08:29 AM | #9 |
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Re: Do you need to change plugs when converting to HEI?
Thank you fellows!
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05-02-2010, 11:33 PM | #10 |
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Join Date: Apr 2010
Location: Fresno, Ca.
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Re: Do you need to change plugs when converting to HEI?
I agree. .050 gap.
Cleaned up my HEI. Confirmed 12v power source. Cleaned up contacts. New cover. Tried to clean/gap plugs till one broke in half.!@#$%^ What was I thinking? NEW PLUGS man. Runs sweet. (here wife...take it for a test drive..she made it back). Darn...juskiddn
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"Do not follow where the path may lead. Go instead where there is no path and leave a trail." "SEMPER FI" Never retired-Always a Marine '72 C10 Longhorn-very daily '86 C10 Van (mothballed) previous; '65 C10 shorty & bunches of M/C's |
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