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TroubleHead Garage (Geno's Place) Evo's , Shovels, Pans, and anything else... |
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pinging
My evo has been pinging even from stop lights lately , I'm thinking I should back off on the advance one digit . I'm running high grade fuel. My config is 8.5-1 kb pistons screaming eagle heads 510 s&s cam 675 high lift roller rockers techII ignition true duel exhaust vh mufflers . Any ideas or any ony had this problem ,never had it happen till last weakened . Could it be the humidity in the air out here ? We don't have that stuff in California
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10+5+20+15-7=43 Russ doofs at the beach Last edited by Type O; 08-20-2011 at 11:40 AM. Reason: screw up |
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Try doing what you say. Timing can make a difference
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Cloudrider 2010 Former Original Doof Creator of the 43 & 7 hand signs... |
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Couple the alcohol in the gas here with the high heat and you could easily have pinging. Here in Bell County, they are not allowed to sell anything with less than 10% alcohol.
Seeing it more and more around the state.
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April 13, 2016 -- The day Richard was speechless. May your hands always be busy, May your feet always be swift. May you have a strong foundation When the winds of changes shift. May your heart always be joyful, and may your song always be sung, May you stay forever young! --Bob Dylan |
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Ok I'm going to pull the cover off and drop the timing one number at a time,also I'll try the advance curve one tick see what happens . Do you know if the advance on the tech II works only on excel . Never mind dumb ass question
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10+5+20+15-7=43 Russ doofs at the beach |
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thanks Dinero what additive do you recommend
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10+5+20+15-7=43 Russ doofs at the beach |
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I rarely add anything, but a couple of ounces of Sea Foam in a tankfull will help.
I use E-Tech that I get from NAPA. Either will help keep the injectors clean.
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April 13, 2016 -- The day Richard was speechless. May your hands always be busy, May your feet always be swift. May you have a strong foundation When the winds of changes shift. May your heart always be joyful, and may your song always be sung, May you stay forever young! --Bob Dylan |
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Where does one get this sea foam I see mentioned from time to time?
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Frank 2009 Vivid Black Street Glide Ultra RIP Diver, Bashful, Smitty, Clank, Johnny B, Fire46, Red Rider and Mongoose, GBNF "It is foolish to mourn the men that died. Rather we should thank God that such men lived" -General George S. Patton, Jr. |
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Can you get fuel that has no alcohol in it? You are in Texas, after all!
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just sayin'......... Dumbasses "The more corrupt the state, the more numerous the laws." (Tacitus, Roman historian 55-117 A.D.) Original 43%er CAT HERDER GORGE CROSSER SKYLINE My buddy!
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Quote:
Don't get the Deep Creep version. That's for fogging motors. i |
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Ethanol has a higher octane rating than gasoline, so it is unlikely to induce preignition. I'd be more inclined to believe ambient heat coupled with hot carbon on the pistons or heads.
Check your VOES too. Sent from somewhere
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Tim Ancient '79 FXS w/ probably about the same HP as a tractor Equally ancient '79 Massey Ferguson 255 Somewhat dilapidated, yet functional, Kubota L2500 '20 Branson 3620 '18 Ram 3500 Diesel '02 Wrangler X, 4" lift on 33 x 12.50s Wilderness Systems Tarpon 140 Felt Nine 50 Killin' more bees than Monsanto . . |
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Techron works good too. You can also mix Berrymans B-12 with Marvel Mystery oil 50-50 to approximate Seafoam.
Sent from somewhere
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Tim Ancient '79 FXS w/ probably about the same HP as a tractor Equally ancient '79 Massey Ferguson 255 Somewhat dilapidated, yet functional, Kubota L2500 '20 Branson 3620 '18 Ram 3500 Diesel '02 Wrangler X, 4" lift on 33 x 12.50s Wilderness Systems Tarpon 140 Felt Nine 50 Killin' more bees than Monsanto . . |
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I'm not sure but I don't think that's good for my carb, I have an S&S super eon this puppy with toilet bowls for jets
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10+5+20+15-7=43 Russ doofs at the beach |
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