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  • #27956
    Profile photo of Heron SSV
    Heron SSV
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    Member since: May 5, 2015
    Posts: 585

    I reckon 738 hp

    #27958
    Profile photo of VRSenator065
    VRSenator065
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    • Adelaide SA
    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

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    Member since: February 17, 2015
    Posts: 5 777
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    No power runs yet!! (today is the day)

    Well, quite an eventful day Friday, first chance I have had to get on the forum.  But first things first IT LIVES!!!  By the end of Friday its all running, run in, and the tune fixed up.  Great oil pressure, compression etc, zero issues so far with my engine assembly effort which I am relieved about…

    Tune wise he showed me the AFR maps before and after, and quite frankly, I can not believe the amount of money I have paid “tuners” and the absolute crap they have given me.  But anyhow, that was the whole idea behind going with Brenton and including the engine dyno time.

    So today its power runs and see what this bad boy can do.  I went around Friday afternoon and listened to it start up, seriously it’s insane, even at idle it just sounds amazing, very very angry.

    So here’s a couple of videos of startup, hopefully, tonight I can post up a decent video and will know what numbers its spitting out…

     

    #27962
    Profile photo of
    Anonymous Member since: January 1, 1970
    Posts: 0

    Not nearly as lumpy as I was expecting…

    #27967
    Profile photo of Immortality
    Immortality
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    Member since: August 31, 2015
    Posts: 535

    Tuning is an art, the stupid thing is the max power/torque part is probably one of the easier bits and what most people are interested in (for bragging rights).  The cold start, idle (from cold to hot) part throttle applications and all the transitions between those points is where the time is spent getting it right.

    #27970
    Profile photo of sands vs
    sands vs
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    Member since: March 1, 2015
    Posts: 619

    … Tune wise he showed me the AFR maps before and after, and quite frankly, I can not believe the amount of money I have paid “tuners” and the absolute crap they have given me.

    A tuner took out my engine. There are very few decent tuners despite reputations , thats why im in vic and my tuner is sydney based. Its extremely hard to find a decent tuner. This thing sounds really healthy and im glad someone is taking care of it. Getting the timing and AFR correct rebuild aside will make a huge difference to how it drives, power it makes, how much fuel it uses and engine bay temps

    • This reply was modified 5 years, 9 months ago by Profile photo of sands vs sands vs.
    #27973
    Profile photo of sands vs
    sands vs
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    Member since: March 1, 2015
    Posts: 619

    Tuning is an art, the stupid thing is the max power/torque part is probably one of the easier bits and what most people are interested in (for bragging rights). The cold start, idle (from cold to hot) part throttle applications and all the transitions between those points is where the time is spent getting it right.

     

    exactly my l67 has had huge hours in tuning to get all the stuff sorted you mention makes the biggest difference to the driving experience

    #27977
    Profile photo of VRSenator065
    VRSenator065
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    • Adelaide SA
    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

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    I know some people are hanging to hear like I am, unfortunately, they have sheared the drive off the water pump on the dyno (not my engine).  And its taken a day and a half to get the parts to fix it.

    #27978
    Profile photo of Heron SSV
    Heron SSV
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    Member since: May 5, 2015
    Posts: 585

    Geez Gary you build a tough engine…. Who knew you’d create a monster that would blow up an engine dyno!!!!

    #27979
    Profile photo of VRSenator065
    VRSenator065
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    • Adelaide SA
    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

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    Lol, I am more peeved about the delay, but it will happen….

    #27984
    Profile photo of Vehsv454
    Vehsv454
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    Member since: February 12, 2019
    Posts: 15

    768hp

    What oil pump are you using?

    #27987
    Profile photo of VRSenator065
    VRSenator065
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    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

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    Member since: February 17, 2015
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    #27989
    Profile photo of VRSenator065
    VRSenator065
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    • Adelaide SA
    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

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    768hp What oil pump are you using?

    Actually just the standard LSx one.  I worked a lot with Adam at Precision on what to change etc, he thought (and so did Brenton) that was enough.  I did spend the time and align it properly with feeler gauges though.

    #27990
    Profile photo of sands vs
    sands vs
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    Member since: March 1, 2015
    Posts: 619

     

     

    what sort if rpm will it pull?

    #27991
    Profile photo of Vehsv454
    Vehsv454
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    Member since: February 12, 2019
    Posts: 15

    The reason i asked is melling have a new pump out specifically for blocks with priority mains.

    Its a high pressure low volume pump. Comparing it to the melling high volume high pressure pump that i was using and lots of LS nuts use, the new pump pumps 9LPM less .

    Thats gotta help with windage, cooling etc

    I think with the standard pump you would find that you’d have to much flow and it would be bleeding off at pump.

    Im also using pushrod restiction for oil.

    Im set for street and circuit

    Melling pump 10294 15% less volume than stock

    #27998
    Profile photo of VRSenator065
    VRSenator065
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    • Adelaide SA
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    what sort if rpm will it pull?

    7k

    The reason i asked is melling have a new pump out specifically for blocks with priority mains. Its a high pressure low volume pump. Comparing it to the melling high volume high pressure pump that i was using and lots of LS nuts use, the new pump pumps 9LPM less . Thats gotta help with windage, cooling etc I think with the standard pump you would find that you’d have to much flow and it would be bleeding off at pump. Im also using pushrod restiction for oil. Im set for street and circuit Melling pump 10294 15% less volume than stock

    Understand, sounds like a nice piece of kit.  Mine is a streeter, so not that fussed about ringing out the last hp.

    It just made 680 at 5,500 rpm, but just blown an injector o ring, getting there though.

    • This reply was modified 5 years, 9 months ago by Profile photo of VRSenator065 VRSenator065.
    #28000
    Profile photo of cava454
    cava454
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    Member since: February 20, 2015
    Posts: 2 390
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    Looks promising. Is that just basic power runs or is he chasing it?

    #28001
    Profile photo of Vehsv454
    Vehsv454
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    Member since: February 12, 2019
    Posts: 15

    Should have plenty more left in it . With that cam it should start flat lining around 7000rpm

    #28002
    Profile photo of Judge1 Frazer
    Judge1 Frazer
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    Member since: February 5, 2016
    Posts: 775
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    mmmm my 727 is looking good ,so rough 60hp up from last old motor at this stage

    #28003
    Profile photo of VRSenator065
    VRSenator065
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    • VR Senator LSx454 1960 Kombi (project) 1921 Nash Hot Rod (future project)

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    750HP, pretty much on the dot : :good:   Maxing out the intake, makes a shit ton of torque.  Sounds absolutely incredible in person, literally your rib cage vibrates.  Easy has 800+ in it if I wanted to cut a hole in the bonnet and go a big intake, but that not what I want, or what the cars about. Over the moon, so happy, for me the perfect streeter engine.

    #28004
    Profile photo of Judge1 Frazer
    Judge1 Frazer
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    Member since: February 5, 2016
    Posts: 775
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    Dam congrats Gary well put together sounds insane , is that tuned on your ecu or do you have to dyno it once in the car

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