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03-18-2016, 02:56 PM | #1 |
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Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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sinister cam w/ tune and injectors done
https://youtu.be/Z6B_t2HSTuM
So here is what the new cam sounds like with the new 42# injectors and racetronix fuel pump installed. I had jesse retune it and set my idle to 900 so it sounds more aggressive and will stall less. I like it a lot better with the new injectors and pump. it does not have the strong gas smell like it used to, that makes your eyes water. my only concern is that now I have the racetronix pump my cheap fuel psi gage on the fuel rail is reading 65+ psi. not sure if I need a regulator or if the cheap ebay gauge just sux. It seems to run just fine and I don't smell any raw fuel to speak of. I assume that all the injectors are firing fine too not sure how to tell if they were not. other than a temp gun on each primary. which I don't have.
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The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
03-18-2016, 03:05 PM | #2 |
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Re: sinister cam w/ tune and injectors done
Sounds good...I like
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03-18-2016, 04:03 PM | #3 |
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Join Date: Nov 2001
Location: Springfield, MO
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Re: sinister cam w/ tune and injectors done
sounds great.
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Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!" |
03-18-2016, 05:42 PM | #4 |
Post Whore
Join Date: May 2015
Location: Alabama
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Re: sinister cam w/ tune and injectors done
Sounds good...I like
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03-20-2016, 10:42 AM | #5 |
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Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,858
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Re: sinister cam w/ tune and injectors done
As long as your tune compensates for the 65PSI you should be alright. If not, you are probably putting in more fuel than the computer thinks and can screw up your fuel trims. How is your mileage?
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Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3 |
03-20-2016, 10:46 AM | #6 |
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Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: sinister cam w/ tune and injectors done
Well it's tuned for 58 psi. Don't know on mileage supposed to go in for paint next week. I think I may need to check the gauge first. If it's good I may need to replace that regulator. I can't imagine that pump over powering it that much. It stayed on straight up 58 with stock pump but would fall off with load making me lean. Definitely something to look into.
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The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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