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  1. #106
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    still working on point in time of injection, ran into some detonation issues at 3500 rpm while in the middle of building the fuel map, but seems like it has to do w/ point in time of injection. the throttle response is excellent. incidentally, i found the typical mixture offset found in the horn injected 2.5's between port and stbd, but at 3500 i didn;t see any difference between the upper and lower cylinders. idle quality is excellent as well
    Last edited by mrcrsr; 09-15-2012 at 07:05 PM.
    action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build

  2. #107
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    Heard it on the phone when Charlie was running it today. It sounds mean!!!
    [/SIGPIC]

  3. #108
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    got it straighted out, got most of the fuel curve built up to 5500 rpm, engine is using a lil more then 15% more fuel then the other 3 litre wolf engine(wet reed), power is up significantly- when i was doing the tuning i left the jack plate down to simulate the highest load it would see-the old engine would go over 4200 rpm like this- the new engine easily went to 5500(over 85 mph) like this. i'm hoping to offset the increased fuel burn by spinning a bigger prop or using a taller gear ratio so hopefully my mileage will come back. as stated, i found and corrected the port/stbd fuel mixture difference. as far as the horn creating problems i haven't found that yet, at 3500 rpm though the center cylinders were richer, don't know if it has to do w/ the angle of the throttle butterfly creating that problem, and i haven't put a correction in for it yet
    action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build

  4. #109
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    Quote Originally Posted by mrcrsr View Post
    got it straighted out, got most of the fuel curve built up to 5500 rpm, engine is using a lil more then 15% more fuel then the other 3 litre wolf engine(wet reed), power is up significantly- when i was doing the tuning i left the jack plate down to simulate the highest load it would see-the old engine would go over 4200 rpm like this- the new engine easily went to 5500(over 85 mph) like this. I'm hoping to offset the increased fuel burn by spinning a bigger prop or using a taller gear ratio so hopefully my mileage will come back. As stated, i found and corrected the port/stbd fuel mixture difference. As far as the horn creating problems i haven't found that yet, at 3500 rpm though the center cylinders were richer, don't know if it has to do w/ the angle of the throttle butterfly creating that problem, and i haven't put a correction in for it yet



    Awesome !!!!!!!!!
    https://youtu.be/IGkyssK27rU

    **Bullet Proof Foot Control
    **Smooth and fastest throttle response
    **2 LB's Lighter that any cast Hot Foot types
    **All "BILLET" construction, compare, you'll see this is the "BEST IN CLASS FOOT CONTROL"......contact me.


    Gary
    Life Time Member Of The
    Haul'n Ass, Burn'n Gas &
    Honorary Blown Motor Club


    Growing old is inevitable, growing up is optional.......

  5. #110
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    Dyno time!!!!
    Quartershot T-3R 15" 3.5L E-Tec 1.62 Sportmaster


  6. #111
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    i have it set up to go on the dyno, but i think i may put a couple more hours on it first, and do a lil more tuning. put my 1.62 case on it, so we'll see how it works w/ more load
    action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build

  7. #112
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    pulled a leakdown on the engine, 0-2%, so all looks good. rewrote the map sensor calibration table, i'd like to try and get it to run off the map sensor, and switched out to the 1.62 case, hopefully if i get home early enough i'll put some more time on it
    action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build

  8. #113
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    Good work Charlie, your going where no man has gone before..........
    https://youtu.be/IGkyssK27rU

    **Bullet Proof Foot Control
    **Smooth and fastest throttle response
    **2 LB's Lighter that any cast Hot Foot types
    **All "BILLET" construction, compare, you'll see this is the "BEST IN CLASS FOOT CONTROL"......contact me.


    Gary
    Life Time Member Of The
    Haul'n Ass, Burn'n Gas &
    Honorary Blown Motor Club


    Growing old is inevitable, growing up is optional.......

  9. #114
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    Can't wait till your broke in and get her dialed in. Nice work!

    Dave
    1980 Cougar 19 tunnel,90 2.4L Bridgeport EFI in middle of restoration.
    1988 BAJA Sunsport 186, 96 225 Pro Max
    79 12' Auminum, 95 Merc 9.9
    RIP Stu
    "So many idiots, so few bullets"

  10. #115
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    i'm up to 96 mph at 5600 on the tuning, it pulls the 1.62 case w/ no problem, but its time to go on the dyno. wish there was a way to hook up a wideband o2 sensor to it, be alot easier
    action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build

  11. #116
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    Whats it ported to turn? You shooting for 120 or what?
    Quartershot T-3R 15" 3.5L E-Tec 1.62 Sportmaster


  12. #117
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    not sure about that kevin, the weak link in any 3 litre is the rods, so max rpm will be 7k, maybe 7200 once in a while if needed. boat lost some snap going to that gearcase from the 1.75, i know from captn steve's 21 trick 6800 rpm works out to 100 mph w/ the 1.75 gears, we both have the same props, 30 p pro et. i'd like to see 110 plus on rare occasions, so i'd probably use the 1.75 gearcase most of the time as it is definetely more fun to drive. ronnie and ken now have me thinking about putting a wideband o2 sensor on it, and hooking it up to the wolf. probably wouldn't run it in closed loop, but use it for monitoring. problem is there are not alot of places on the 3 litre adapter plate to put it, was hard enough putting egt probes in that are 1/8 npt. anyone have any ideas?
    Last edited by mrcrsr; 09-21-2012 at 05:51 AM.
    action mobile marine, 772 528 0754, dealers for aces fuel products,wolf efi, pro marine,latham and gaffrig/livorsi. we build gearcases and modify them(3 litre) to ratchet, and powerheads as well. 21 skater/3 litre wolf efi 113 mph the engine build http://www.screamandfly.com/showthre...-3-litre-build

  13. #118
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    Quote Originally Posted by mrcrsr View Post
    not sure about that kevin, the weak link in any 3 litre is the rods, so max rpm will be 7k, maybe 7200 once in a while if needed. boat lost some snap going to that gearcase from the 1.75, i know from captn steve's 21 trick 6800 rpm works out to 100 mph w/ the 1.75 gears, we both have the same props, 30 p pro et. i'd like to see 110 plus on rare occasions, so i'd probably use the 1.75 gearcase most of the time as it is definetely more fun to drive. ronnie and ken now have me thinking about putting a wideband o2 sensor on it, and hooking it up to the wolf. probably wouldn't run it in closed loop, but use it for monitoring. problem is there are not alot of places on the 3 litre adapter plate to put it, was hard enough putting egt probes in that are 1/8 npt. anyone have any ideas?
    Charlie,

    Where did you put the EGT probes? My boat is equipped with a dual pyrometer, and the probes are all wired up, just have them tied up inside the boat. Havent been able to figure out where on the 3 liter to put them? I had it hooked up on my onld 2.4, but just been a dead gage in the dash since then.

    Rick

  14. #119
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    Rick,

    I just sent these pics to Charlie, figure you might be able to get something out of them as well, probe location on my 300x;







    https://youtu.be/IGkyssK27rU

    **Bullet Proof Foot Control
    **Smooth and fastest throttle response
    **2 LB's Lighter that any cast Hot Foot types
    **All "BILLET" construction, compare, you'll see this is the "BEST IN CLASS FOOT CONTROL"......contact me.


    Gary
    Life Time Member Of The
    Haul'n Ass, Burn'n Gas &
    Honorary Blown Motor Club


    Growing old is inevitable, growing up is optional.......

  15. #120
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    Thanks,

    I am guessing ya gotta pull the powerhead and drill/tap them in yerself? If so, I'll wait until after break in, as I also have some solid mounts that have been sitting in my toolbox for a while that I wanna throw in there. I am still having some trouble, while it didnt blow up this time, it shut off after running about 10 minutes at 4000RPM, this happened twice. Had a merc tech on the boat with me the second time, and he thinks the VST is runnin' out of fuel, gonna tear into it this weekend and see if I can figger sumthin' out.

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