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#1
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spark plug selection experts?
Hi. I had my race car engine rebuilt and unfortunately my favorite machinist discarded my old plugs and I don't know what they were.
Its a 2002 acura K20a2 motor with 13.5 compression, moderate cams and built to run on E85. It of course has a header and a low restriction muffler. Wondering how different they might need to be compared to stock? Is there a website out there for calculating what plug to use?
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#2
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You need these.
They work great in my tractor |
#3
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Thanks Sid!
I did find a couple of sets of used plugs in my spares. I'll start there tomorrow.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#4
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So then, what are the plug specs, compared to a stock ?
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#5
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I don't know yet.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#6
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I did some more searching and the consensus seems to be to use stock plugs. So I'll start there.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#7
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Us old farts don't hear pre-ignition rattle like we used to. Take some readings on the plugs.
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#8
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It has a knock detection system too. But I'll be checking the plugs too.
Thanks for the comment!
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#9
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Maybe take a set each of the next one or two cooler levels, just in case you do have issues you can swap them out while there? Can't see it running cooler and needing warmer plugs.
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617 swapped Toyota Pickup, 22-24 MPG, 50k miles on swap |
#10
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Probably an idea with merit.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#11
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Now I notice the title says 'experts' - I apologize
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#12
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Hah! No worries!
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#13
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I once heard "expert" defined as "a person who knows 10% more than 40% of the population".
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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.” ― Brian P. Cleary, You Oughta Know By Now |
#14
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I heard it was someone from out of town.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#15
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The farther away the more an expert ...
But seriously folks ... The guy who has made every possible mistake at least once |
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