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LS3 conversion into 2002 CV8 Monaro

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  • matty12
    replied
    Pics are always good

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  • 355LX
    replied
    Quick update, fired this thing up for the first time last week. Just has a start up tune in it, my tuner doesn't have an opening until the 29th Jan but I think that will work in my favour. While I went with Speedflow for all my fuel system fittings and lines, I fucked up and purchased an Aeroflow pressure reg, pretty sure this was a result of a late night drunken purchase. I thought it would be ok but because I went overboard with the fuel pump (walbro 450) it can't regulate the volume of fuel it's having to bypass and the pressure is fluctuating quite badly. I have just ordered an aeromotive reg to replace it but now I'm wondering if I should go with a smaller pump as well, something like a walbro GSS353. Any thoughts?

    I'll pull my finger out and post some pics, but there's nothing all that exciting.

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  • 355LX
    replied
    Legend thanks for the heads up!

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  • bpm
    replied
    No just either cut the plastic hose or remove the clip and pop it out. You can add some intank hose with a clamp if you’re worried about returning the fuel back into the pot

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  • 355LX
    replied
    Originally posted by bpm View Post
    If you are returning to the fuel tank from the surge through the “return” from the fuel filter, you will need to remove the pump module and take the regulator out of it. Otherwise your surge tank wil be pressurised to 58psi which the Chinee welds will not like
    If I remove the regulator does it need to be replaced with anything or is it ok just to remove? I have not had one apart before and I'm trying to have as many parts ready in prep for pulling it off the road.

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  • 355LX
    replied
    http://www.nzefi.com/product/vdo-tan...pump-pre-pump/

    Something like this low pressure on tank pump may be a viable solution. As long as it will fit the factory pump cradle.

    Leave a comment:


  • irsa76
    replied
    Fuel heating isn't caused by pumps being external, it's caused by fluid friction. Basically if you're pushing fluid through under pressure it builds heat, if you're circulating it in the system constantly under pressure it builds more heat. Having the fluid forced against sharp edges, that is having the fluid under pressure aimed at the edge of the surge tank or even at the fuel in the tank already, also heats it up.
    Agitation/aeration=heat build up.

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  • 355LX
    replied
    Originally posted by bpm View Post
    If you are returning to the fuel tank from the surge through the “return” from the fuel filter, you will need to remove the pump module and take the regulator out of it. Otherwise your surge tank wil be pressurised to 58psi which the Chinee welds will not like
    I've just re-read your post and understand what you're saying. Thanks for that I will make sure I remove it.

    When I can be fucked on the weekend I'll try put up a bit of a build thread.

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  • 355LX
    replied
    Improved racing sump baffle should be here any day along with adapter and thermostat for oil cooler.

    Overheating the fuel is something I'm concerned with but have been told because all pumps will be submerged it may lessen this?

    As for return from filter, that won't be the case as I will not be using the return style fuel filter. I'm running an aftermarket reg plus I'll fit a couple of aftermarket steel mesh filters. One between the tank and surge tank and one between surge tank and reg.

    Thanks for all replies. I was told 60psi today which aligns closely with the 58psi mentioned above.

    Seriously looked at putting the lsa in but would have not been able to keep it all under the bonnet!!

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  • Do the safety dance.
    replied
    And won't you be circulating a lot of fuel through the surge tank with an EFI pump, heating it excessively?

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  • bpm
    replied
    If you are returning to the fuel tank from the surge through the “return” from the fuel filter, you will need to remove the pump module and take the regulator out of it. Otherwise your surge tank wil be pressurised to 58psi which the Chinee welds will not like

    Leave a comment:


  • Sterling Archer
    replied
    Originally posted by lukevl View Post
    I have an improved racing sump, baffles, and crank scraper. Have done track work with sticky tyres and not gone bang yet. Looked like good gear too
    Yeah they are a well made unit, trapdoors etc. cheap insurance imo

    Leave a comment:


  • PXL265
    replied
    Originally posted by bigshipengine.jpg View Post
    Is it wrong that id like to see one of these with a Stout Barra conversion?

    Sent from my SM-G930F using Tapatalk
    Isn't that another thread????

    No, well maybe, but I too would also like to see something that would break the internet like a Barra in a Monaro, new or old.

    Sent from my XT1635-02 using Tapatalk

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  • lukevl
    replied
    Originally posted by Milkman Don View Post
    Fwiw I’d be throwing a sump baffle in too while engine is out, from memory ‘Improved Racing’ was the hotness when I was buying parts for an LS2 build
    I have an improved racing sump, baffles, and crank scraper. Have done track work with sticky tyres and not gone bang yet. Looked like good gear too

    Leave a comment:


  • bigshipengine.jpg
    replied
    Is it wrong that id like to see one of these with a Stout Barra conversion?

    Sent from my SM-G930F using Tapatalk

    Leave a comment:

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