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Thread: New to forum.
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12-28-2022 #1
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New to forum.
I recently purchased a C10 with a RamJet 350, MEFI 3, MSD ignition. I’m really a newbie when it comes to EFI systems. My first question is which spark plug? The engine book calls for MR43LTS which I understand is a Marine plug. The engine right now has 19556067 spark plugs installed. I just got it running and it’s running really rich at idle which I understand is a common problem with the MEFI 3, but it has no power so I want to start with spark plugs and not sure which ones to use? Note that this engine had ran before restoration maybe 10,000 miles. During restoration it hadn’t been started for over 8 years. I had to install new injectors (36lbs ) before it actually would start. What spark plugs and any other advice would be greatly appreciated,
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12-30-2022 #2
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Welcome to the site!
You might try asking your question in the fuel injection section? This is more of a section to introduce yourself.
Cheers!Larry Callahan
Founder/Administrator of Pro-Touring.com, G-Machines.com and HostMyJunk.com
To advertise on Pro-Touring.com click here
12-31-2022 #3
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- Mar 2020
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R43LTS is the automotive variety.
Did you replace the injectors with the same size & part number?
If not you will need access to tuning software to correct for the difference in flow.
01-02-2023 #4
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Opps, I will introduce myself now, Hello everyone, I’m retired name is Sam and my neighbor had to move so I bought his unfinished custom 1982 C10. It’s my understanding son built the truck for high speed pro touring or he just wanted to go fast.. I will post some pics of build.
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