Discovery 2: Build and assembly of 4.6L V8 - Page 7





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  1. #121
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    Default Re: Build and assembly of 4.6L V8

    Double post.
    Last edited by jfh; 2020/01/08 at 11:20 AM.
    '07 Land Rover Defender 110 TDI 300 Kalahari (Meisiekind˛)

    84' Land Rover Defender 110 V8 4-speed Hardtop (Meisiekind) Sold after 12 years of fun and hard work




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  2. #122
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    Default Re: Build and assembly of 4.6L V8

    Quote Originally Posted by jfh View Post
    Is your average gap 1.3mm?

    Then 1.3÷1.6=0.8125mm

    That's how I see it.
    1.3 inches not mm... but yes that is the average

  3. #123
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    Default Re: Build and assembly of 4.6L V8

    1.3 inch is 33mm!

    Are you measuring the gap inside the lifter, between the "piston/plunger" and the circlip?
    '07 Land Rover Defender 110 TDI 300 Kalahari (Meisiekind˛)

    84' Land Rover Defender 110 V8 4-speed Hardtop (Meisiekind) Sold after 12 years of fun and hard work




    The only thing needed for evil to triumph is for a good man to do nothing.

  4. #124
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    Default Re: Build and assembly of 4.6L V8

    Quote Originally Posted by jfh View Post
    1.3 inch is 33mm!

    Are you measuring the gap inside the lifter, between the "piston/plunger" and the circlip?
    Whoops sorry, too many scribbles on one page.

    measured PL gap between clip and plunger approx 0.14"

  5. #125
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    Default Re: Build and assembly of 4.6L V8

    So na average of 0.14 of an inch is 3.56mm. (over all the the lifters)

    3.56mm÷1.6=2.225mm

    2.225-0.762=1.463mm

    How does that look?
    Last edited by jfh; 2020/01/08 at 11:59 AM.
    '07 Land Rover Defender 110 TDI 300 Kalahari (Meisiekind˛)

    84' Land Rover Defender 110 V8 4-speed Hardtop (Meisiekind) Sold after 12 years of fun and hard work




    The only thing needed for evil to triumph is for a good man to do nothing.

  6. #126
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    Default Re: Build and assembly of 4.6L V8

    Quote Originally Posted by jfh View Post
    So na average of 0.14 of an inch is 3.56mm. (over all the the lifters)

    3.56mm÷1.6=2.225mm

    2.225-0.762=1.463mm

    How does that look?
    Yup i updated my maths on previous page and come out with a 60thou shim which is approx 1.5mm

    Thanks for the help and input, owe you a beer

  7. #127
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    Default Re: Build and assembly of 4.6L V8

    No worries, I will always try to help.
    '07 Land Rover Defender 110 TDI 300 Kalahari (Meisiekind˛)

    84' Land Rover Defender 110 V8 4-speed Hardtop (Meisiekind) Sold after 12 years of fun and hard work




    The only thing needed for evil to triumph is for a good man to do nothing.

  8. #128
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    Default Re: Build and assembly of 4.6L V8

    Picked up some plate today and made up some shims for the rockers, have done the first bank and all Preload measurements are on spec. I will recheck again once i have finished up properly with the shims - still need to drill out holes for the oil way under the pedestal.

    But this post is all about the below pictures, i picked up my lower intake manifold from FTF and i could not believe what i was looking at. What awesome people to deal with that are keen to do more than just sell parts over the counter.

    Before and after something called aqua cleaning.

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    They also manufactured a new elbow for me on the front from aluminium (my original steel elbow was horribly rusted inside)

    We also changed the heater hoses from steel pipes to now be SS braided hoses and the connection to the intake is now a threaded fitting welded in place rather than the push in pipe with O-ring and bolted flange.

    I am waiting for the upper intake to come back and then we are pretty much done with assembly.
    I will resist sharing photos for now of the complete motor with intake etc in place until i have it all completed but i can say i am thinking of putting this on display in my lounge rather than going back into the engine bay

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  9. #129
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    Default Re: Build and assembly of 4.6L V8

    Ah I saw your intake on their Facebook page, their aqua blasting is awesome
    Range Rover Sport 5.0 SC
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  10. #130
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    Default Re: Build and assembly of 4.6L V8

    I am into building old 2 stroke motorcycle engines.

    Let me tell you, that motor of yours looks freakin AWESOME!
    André Jordaan

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  11. #131
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    Default Re: Build and assembly of 4.6L V8

    Quote Originally Posted by Clouder View Post
    I am into building old 2 stroke motorcycle engines.

    Let me tell you, that motor of yours looks freakin AWESOME!
    Thank you very much, the closer i get to completion the more excited and nervous i get at the same time.

  12. #132
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    Default Re: Build and assembly of 4.6L V8

    Finally finishing up with valve shims, made a temp set from 1.6mm mild steel plate and then once i was happy with the pre-load i made some more from aluminium that i finished up today.

    At the same time i was not happy with the RPI method of checking pre-load with wire - I prefer hard factual numbers that are more accurate and not open to much tolerance in the method.

    So i used a digital vernier to measure from the top of the tappet to the top of the cup with the lifter on my bench so as to ensure the spring was completely unloaded.
    Then once i put my shims in and torqued up the bolts, turned the crank to where i needed the cam and measured again from the top of the tappet to the top of the cup.
    Subtract reading 2 from 1 and i have a dead set on number for pre-load.

    so far all within spec on the first bank finished up with the Alu shims.

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    Last edited by Jay_B; 2020/01/13 at 08:49 PM.

  13. #133
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    Default Re: Build and assembly of 4.6L V8

    But the best part of today was collecting the rest of the intake manifold from FTF, just drool worthy...

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  14. #134
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    Default Re: Build and assembly of 4.6L V8

    How much was the difference between the first and second method?

    When I saw your shims, I suddenly remembered that I held my extra brass shims the other day. For the life of me I couldn't remember where they were used.
    '07 Land Rover Defender 110 TDI 300 Kalahari (Meisiekind˛)

    84' Land Rover Defender 110 V8 4-speed Hardtop (Meisiekind) Sold after 12 years of fun and hard work




    The only thing needed for evil to triumph is for a good man to do nothing.

  15. #135
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    Default Re: Build and assembly of 4.6L V8

    I am pretty certain that somewhere you have cocked up something, so I think we should drop that one into my body and you can have another go at a rebuild


    Seriously!!!!!!


    Looking awesome. How come your inlet manifold looks different to mine? Or am I just being a dufus?
    Alan


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  16. #136
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    Default Re: Build and assembly of 4.6L V8

    Quote Originally Posted by jfh View Post
    How much was the difference between the first and second method?

    When I saw your shims, I suddenly remembered that I held my extra brass shims the other day. For the life of me I couldn't remember where they were used.
    Its hard to say what the difference is, the wire method just works with a spec range rather than giving an exact range.
    So i had a wire at +- 20 Thou and then another at +-50 Thou, as long as you could get the 20 Thou in and not the 50 Thou you know you are within the spec range.

    So far i am averaging around 45 Thou give or take on each pre load checked this far. (hope that makes sense)

  17. #137
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    Default Re: Build and assembly of 4.6L V8

    Quote Originally Posted by All -in -one View Post
    I am pretty certain that somewhere you have cocked up something, so I think we should drop that one into my body and you can have another go at a rebuild


    Seriously!!!!!!


    Looking awesome. How come your inlet manifold looks different to mine? Or am I just being a dufus?
    Haha, sure but i take no responsibility if it goes boom or doesnt start up

    I didnt see your intake at your place the other day but I am assuming you have the GEMS management system which has the intake that looks like below?

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  18. #138
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    Default Re: Build and assembly of 4.6L V8

    Final run now... lower intake manifold with valley gasket all done

    Ran a tap on some of the intake threads to clean them out, bolts were just too tight going in.

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    This is what came out
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    Nice way to apply sealant neatly rather than using the tube.
    I ran a bead across the ends of the valley on the block and then also around the coolant ports on the heads.
    Also plenty extra in the notches to ensure they are nicely closed up.

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    And well it just comes together to paint a beautiful picture... the full picture coming soon

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  19. #139
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    Default Re: Build and assembly of 4.6L V8

    Looking great !!!! You know how to drag things out, don't you.


    Has "Spanner Boy arrived yet"?
    Alan


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    Default Re: Build and assembly of 4.6L V8

    Quote Originally Posted by Jay_B View Post
    Its hard to say what the difference is, the wire method just works with a spec range rather than giving an exact range.
    So i had a wire at +- 20 Thou and then another at +-50 Thou, as long as you could get the 20 Thou in and not the 50 Thou you know you are within the spec range.

    So far i am averaging around 45 Thou give or take on each pre load checked this far. (hope that makes sense)
    Thanks.

    I had quite a few, grinded down some cheap small allen keys to desired sizes.
    Last edited by jfh; 2020/01/16 at 05:02 PM.
    '07 Land Rover Defender 110 TDI 300 Kalahari (Meisiekind˛)

    84' Land Rover Defender 110 V8 4-speed Hardtop (Meisiekind) Sold after 12 years of fun and hard work




    The only thing needed for evil to triumph is for a good man to do nothing.

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