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Thread: Need help e39 540i SC reach AFR

  1. #26
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    98 540 6, SC'ed, 16psi
    Busted ring land! Sorry to hear Dove. Rebuild or new motor time.
    98 540i 6, 525 whp, 120 mph 1/4, V3 Si S/C'er @16 psi, W/A I/C, Water/Meth, Supersprint Headers, HJS Cats, 3" Custom Exhaust, UUC Twin Disc, Wavetrac LSD, GC Coil Overs, Monoball TA, AEM FP, Aeromotive FPR, AEM Failsafe AFR/Boost, Style 65's w/275's, M5 Steering Box, Eibach Sways, M3 Shifter, Evans Coolant, 85 Deg Stat, PWM Fan, 10" Subs, B.A. speakers, Grom Aux/BT, Still Rolling as my DD!

  2. #27
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  3. #28
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    Quote Originally Posted by philly98540 View Post
    Busted ring land! Sorry to hear Dove. Rebuild or new motor time.
    Gents, want to make pol. Contract engine 1000$ or sleveeng my current engine which cost about 700$.?
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  4. #29
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    What, no prize?

  5. #30
    geargrinder's Avatar
    geargrinder is offline Having No Trouble Here BMW CCA Member
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    Quote Originally Posted by wagons ho View Post
    What, no prize?
    It was unanimously voted to send the prize account funds to hurricane relief this year, therefore all prizes will be virtual only until further notice.
    2003 M3CicM6 TiAg
    2002 540iT Sport Vortech S/C 6MT LSD TiAg
    2008 Audi A3 2.0T DSG (the daily beater)
    2014 BMW X1 xDrive28i (wifemobile)

    Former:

    1985 MB Euro graymarket 300SL
    1995.5 Audi S6 Avant (utility/winter billetturbobattlewagen)


  6. #31
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    e36 v8 Turbo HX-40
    Shal i buy contract engine or sleve mine?
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  7. #32
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    There is no question, sleeve yours if you want to make some real power. Add good rods and forged pistons, of course, then you're good to go.

  8. #33
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    Ok, after checking engine did not find any damages in cylinders. Decided to mill/grind cylinder heads and built engine with special head gascets. Tu engine has gasket with 3 metal list. 2 of them 0.37mm and one in center is 1mm. Original gasket is 1.74mm. I bought 2 gasket and put them in next position.
    1. Thick 0.37mm
    2. Tall 1mm
    3. Thick 0.37mm
    4. Tall 1mm
    5. Thick 0.37mm.
    Overall Thicknes is 3mm. Expected compression is 9.
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  9. #34
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  10. #35
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    Quote Originally Posted by tptrsn View Post
    That seems great! Are you going to use regular head bolts, or some studs?
    I think regular. Or you suggest some special one?
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  11. #36
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  12. #37
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    Quote Originally Posted by tptrsn View Post
    That seems great! Are you going to use regular head bolts, or some studs?
    Raceware has stud kit for approx $180.00 us. Probably a really good idea, and reusable on the next motor.
    And what about regapping the rings while it is apart?

  13. #38
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    e36 v8 Turbo HX-40
    My plan is decrease compression. Built engine to be able to drive car and start with instalation of front or air to water cooler as philly did. I think 90% i will proceed with Philly setup.

    - - - Updated - - -

    Quote Originally Posted by wagons ho View Post
    Raceware has stud kit for approx $180.00 us. Probably a really good idea, and reusable on the next motor.
    And what about regapping the rings while it is apart?
    What is bennefit of aftermarket studs?

    New orings Getze will be used.
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  14. #39
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    Quote Originally Posted by wagons ho View Post
    Raceware has stud kit for approx $180.00 us.
    Where have you seen that price? That is not bad at all...

  15. #40
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    My bad. Stupid website defaulted to the base kit.
    Not that i can buy anything right now anyways.
    $431.00

  16. #41
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  17. #42
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    He had us going there Thad lol.
    1999 540 Auto with Eaton M112 supercharger
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  18. #43
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  19. #44
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    e36 v8 Turbo HX-40
    Step by step building my engine with new compression 8.9. Chain become tight but took chain holder or tightener (do not know exact name of that) from m62 non tu and chain now is ok.
    SmartSelectImage_2017-11-13-22-23-04.jpg

    - - - Updated - - -

    Hybrid engine )))))
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  20. #45
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    I filled my combustion chamber by oil. Result is 70cc. Stroke length 82.7mm. Diametr of cylindr 92. We have now compression 8.9
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  21. #46
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    Was that with the head on the block and with the piston at top dead center, or just the combustion chamber volume with the head laying on a bench?

  22. #47
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    Quote Originally Posted by tptrsn View Post
    Was that with the head on the block and with the piston at top dead center, or just the combustion chamber volume with the head laying on a bench?
    Yes, it was with heads builded and piston on dead point. Hope, will avoid piston broking situation in future.
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  23. #48
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    Well, it certainly should help! What are you using for your piston ring end gap measurements?

  24. #49
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    And I just re-did your compression ratio math for fun. I really like the result (which agrees with your result at 8.854:1). Exciting stuff!

  25. #50
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    Quote Originally Posted by tptrsn View Post
    And I just re-did your compression ratio math for fun. I really like the result (which agrees with your result at 8.854:1). Exciting stuff!
    Right, but mine is 8.91 due to litel milling of surface of heads. You remember video i attached. So, i am exciting what will be final result. Hope i will success and far from knocking.
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

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