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Thread: Project ME7

  1. #21
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    Quote Originally Posted by S70T5Chris View Post
    From the factory, I do believe the ME7 head does flow a 'little bit better' than the Pre-ME7's. But if you're going to the hassle of building an engine, surely you'd port and flow the cylinder head anyway.

    As DR, my 850 will be having an S60R bottom end and an 850 head.
    Valve stems are a lot thinner, so flow a lot better.
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  2. #22
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    Quote Originally Posted by Ettienne View Post
    The heads are interchangeable, the me7 iirc flows approx 30% better with its smaller valve stems and it's reshaped valve / inlet area, also the me7 has 2.5 kg lighter crank, so less rotating mass making the engine rev easier.

    Plus you can use coil packs on the 850 and there are attachments for them on the me7 head and depending on which engine you use it may be semi forged / uprated.

    So taking that into account, then it's a no brainer as a small mod the the vvt cam pulley and that's it (dependant on engine) no need to take the head off, the Americans have been doing it for years.

    Another advantage is the oil cooler on the sump meaning you can run a larger radiator, with out oil cooler for the engine, which can be upgraded to a d5 version.

    I see no need to use an 850 head at all, several Americans are well in excess of 400 with this set up.
    And some British as well
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  4. #23
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    Quote Originally Posted by claymore View Post
    And some British as well
    Sorry mate forgot you lol

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    i wouldnt fit that me7 engine mate, Its not clean enough lol How's the wheel bolts coming on anyway?? lol

  6. #25
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    Still more fettling needed,
    will it never end?
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    Quote Originally Posted by merc85 View Post
    i wouldnt fit that me7 engine mate, Its not clean enough lol How's the wheel bolts coming on anyway?? lol
    He's going to start a thread on detailing an engine block soon.
    Last edited by stribo; Sunday 24th August 2014 at 21:13.

  7. #26
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    Quote Originally Posted by stribo View Post
    He's going to start a thread on detailing an engine block soon.
    That sir, is something you will never see
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  9. #27
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    Still more fettling needed,
    will it never end?
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    Good, we have enough detailing threads as it is.

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    The ME7 head definitely flows much better.

    Putting a 850 head on a ME7 block seems the wrong way around to me.

    The yanks are years ahead of us on modifly and fitting ME7 engines into 850`s

    I`m going to do a cold compression test on the engine tomorrow,
    If the compression is 100 psi + then the head will removed liners shimmed and forged rods fitted.
    In the end I`ll end with a fully forged engine (rods + pistons )

    1996 850 T5 AWD - Self tuned M4.4 ECU with COP`s, B5254T ( S60R internals in a 850 block ) ostrich 2.0 , VXR injectors @ 3.8 bar, K24 turbo with a 6+6 compressor wheel, 3.25" MAF, top mounted Dump Valve, RN Exhaust manifold, 3" downpipe with 200 cell cat, 2.75" Stainless exhaust, Brembo calipers, S60R brake discs, stainless RIP kit, 3" Throttle body,

  12. #29
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    time for my 850s lol
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    Not to sound like a numpty - but I've got a 2.3 ME7 lump from an '02 T5 - do I just need to blank the VVT solenoids & I'm away for a straight swap into the 850?? Was my understanding it was a bit more complicated than that - will do a bit of research on the US forums. What are the advantages of the later 2.3 lump? Any help gratefully appreciated, Cheers, Morgan

    p.s I have always enjoyed reading your engine threads - just way over my payscale to make any useful contribution. Keep em coming though!

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    Quote Originally Posted by Shinsplintz 101 View Post
    Not to sound like a numpty - but I've got a 2.3 ME7 lump from an '02 T5 - do I just need to blank the VVT solenoids & I'm away for a straight swap into the 850?? Was my understanding it was a bit more complicated than that - will do a bit of research on the US forums. What are the advantages of the later 2.3 lump? Any help gratefully appreciated, Cheers, Morgan

    p.s I have always enjoyed reading your engine threads - just way over my payscale to make any useful contribution. Keep em coming though!
    Good thread here...

    http://volvospeed.com/vs_forum/topic...-n-whiteblock/

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    Quote Originally Posted by Shinsplintz 101 View Post
    Not to sound like a numpty - but I've got a 2.3 ME7 lump from an '02 T5 - do I just need to blank the VVT solenoids & I'm away for a straight swap into the 850?? Was my understanding it was a bit more complicated than that - will do a bit of research on the US forums. What are the advantages of the later 2.3 lump? Any help gratefully appreciated, Cheers, Morgan

    p.s I have always enjoyed reading your engine threads - just way over my payscale to make any useful contribution. Keep em coming though!
    You have a PM

    1996 850 T5 AWD - Self tuned M4.4 ECU with COP`s, B5254T ( S60R internals in a 850 block ) ostrich 2.0 , VXR injectors @ 3.8 bar, K24 turbo with a 6+6 compressor wheel, 3.25" MAF, top mounted Dump Valve, RN Exhaust manifold, 3" downpipe with 200 cell cat, 2.75" Stainless exhaust, Brembo calipers, S60R brake discs, stainless RIP kit, 3" Throttle body,

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    I bought a ME7 R engine from TC. I was going to use the bottom end from that, Use My M4.4 R head and have it ported then use N/A cams.
    The ME7 engine in a 1999/2000 comes in 2 formats, hydraulic lifters with 6mm valves, and solid shimmed lifters with 7mm valves.

    Going on the number of the engine I've got, it uses the same valves and lifters and the 4.4 head.

    By the look of your rocker cover, You have the 7mm valves with solid lifters. I hate faffing shimming solid lifters, Fit everything, measure gaps, re-shim. I did a couple of late Zetec engines that used shimmed lifters, the were pretty straight forward as the cam caps were not parts of the rocker cover.

    I don't know what to do with mine.

    Last edited by Avinitlarge; Monday 25th August 2014 at 13:08.
    1997 V70R FWD Manual

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    Quote Originally Posted by Avinitlarge View Post
    I bought a ME7 R engine from TC. I was going to use the bottom end from that, Use My M4.4 R head and have it ported then use N/A cams.
    The ME7 engine in a 1999/2000 comes in 2 formats, hydraulic lifters with 6mm valves, and solid shimmed lifters with 7mm valves.

    Going on the number of the engine I've got, it uses the same valves and lifters and the 4.4 head.
    I don't know what to do.

    I thought the hydraulic lifters came with the 7 mm valve stems...

    Speaking from my own experience of a ported M4.4 head (on original 2.3 block) with N/A cams, the porting & higher lift doesn't make a massive difference but does complement other mods. I do need to adjust the cam timing tho.

    If you are going for massive power then it's worth researching but I would leave the ME7 head on & cams in, unless you can't live with the VVT for some reason

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    Quote Originally Posted by jamesy12345 View Post
    I thought the hydraulic lifters came with the 7 mm valve stems...

    Speaking from my own experience of a ported M4.4 head (on original 2.3 block) with N/A cams, the porting & higher lift doesn't make a massive difference but does complement other mods. I do need to adjust the cam timing tho.

    If you are going for massive power then it's worth researching but I would leave the ME7 head on & cams in, unless you can't live with the VVT for some reason
    It does!

    Also solid lifters and 6mm valves are always VVT whatever but if you are hydraulic .......the hydraulic bucket from after autumn `97 is the improved one which empties the oil quicker to give a snappier valve shut......

    So if your mixing heads don`t use the earlier lifter from the 850T5 use the one from The B5234T3 onwards......


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    Sorry, Got my numbers mixed up, Being doped up with pain killers has mashed my head
    hydraulic lifters with 7mm valves, and solid shimmed lifters with 6mm valves.
    1397641 M4.4 & early ME7 7mm inlet
    9454607 ME7 6mm inlet
    1997 V70R FWD Manual

    608 Modded ECU with Ostrich 2.0, COP Conversion, ITG Filter, 3.5" MAF, 3" intake, 18t turbo, Do88 Intercooler, RIP, 3" TB, 750cc EV14 injectors, AEM 320 Fuel Pump, 3" Cat back, Spartan2 Wideband

    Lowered 40mm, Poly Subframe inserts

  22. #36
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    I`ve had a very productive day out in the garage working on the ME7 engine.

    First thing I did was fit a old M56 gearbox so I could do a cold compression test, 120 psi balanced

    Then the head was removed so I could fit my forged rods.




    Here is a photo of a V70R rod (leftt) next to a standard 850 rod.



    And for those who have asked here is a photo of ME7 non VVT cam (left) a standard 850 cam (middle) and a ME7 VVT cam.



    I `ve removed the VVT pulley, I`ll be measuring it up and doing a drawing so I can get a new one made.

    1996 850 T5 AWD - Self tuned M4.4 ECU with COP`s, B5254T ( S60R internals in a 850 block ) ostrich 2.0 , VXR injectors @ 3.8 bar, K24 turbo with a 6+6 compressor wheel, 3.25" MAF, top mounted Dump Valve, RN Exhaust manifold, 3" downpipe with 200 cell cat, 2.75" Stainless exhaust, Brembo calipers, S60R brake discs, stainless RIP kit, 3" Throttle body,

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  24. #37
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    Quote Originally Posted by oblark View Post
    Here is a photo of a V70R rod (leftt) next to a standard 850 rod.

    so are the rods the same, they look identical to me

  25. #38
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    To me they look identical the only way I tell them apart is V70R ones are oily

    1996 850 T5 AWD - Self tuned M4.4 ECU with COP`s, B5254T ( S60R internals in a 850 block ) ostrich 2.0 , VXR injectors @ 3.8 bar, K24 turbo with a 6+6 compressor wheel, 3.25" MAF, top mounted Dump Valve, RN Exhaust manifold, 3" downpipe with 200 cell cat, 2.75" Stainless exhaust, Brembo calipers, S60R brake discs, stainless RIP kit, 3" Throttle body,

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    Quote Originally Posted by p fandango View Post
    so are the rods the same, they look identical to me
    they look pretty similar, is the one on the left wider (from a 2.4 phase 3 V70R engine I think)?
    Last edited by jamesy12345; Monday 25th August 2014 at 16:48. Reason: need L and R on my wellies

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    It is not so much what they look like but the process in production involved or manufacturing them!..........also the part number will be different...


    Mercedes C320CDI Sport Estate 3 litre V6 7 Gear Auto
    Remap 290bhp 628Nm torque @ 1600revs 45.1mpg

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