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#1
08-19-2006, 04:05 AM
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What M116 in the '86 420SEL?
Does anyone know what M116 is in my '86 420? M116.964 or M116.965?
__________________
I'm not a doctor, but I'll have a look.  '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] 
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#2
08-19-2006, 04:07 AM
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Quote:
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Jimmy L. '05 Acura TL 6MT  2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China"  Scar engine installed'81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John
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#3
08-19-2006, 04:11 AM
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shouldnt u be able to tell from the identification plate? or vin number?
__________________
Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k
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#4
08-19-2006, 04:12 AM
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I scoped the ID plate, 126.035... I figure it's the .965 aluminum block.
If so, means Euro 500 cams will bolt to my 420.
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#5
08-19-2006, 11:41 AM
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m116
hit man your engine is 116-965
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#6
08-19-2006, 01:07 PM
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Excellent news!
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#7
08-19-2006, 03:35 PM
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fyi
if u put the vin # into the russian vin decoder it will tell you the engine like my SD VIN WDBCB20AXCB021778 Model 300 SD Chassis 12612012021778 Engine 617951 12 021046 Transmission 722303 02 161756
__________________
Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k
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#8
08-19-2006, 03:52 PM
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Why don't you simply look at the engine serial number on the block?
__________________
Chuck Taylor Falls Church VA '66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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#9
08-19-2006, 04:12 PM
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Why would euro 500 cams not fit in it if it were a 116.964? I've heard of 4.5 cams being put into a 560 with just replacement of the hydraulic ball studs with mechanicals. And I know 3.5 cams work fine on a 4.5 - I've done it. I am pretyt sure they'd fit either way.
But wouldn't 420 cams already be more agressive than 500 ones, regardless of euro or not?
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#10
08-19-2006, 04:39 PM
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Quote:
Maybe because I don't know where it's located... Quote:
I figure since the Euro 500 is a larger motor with more power, the cams have to be larger than the US 420 ones... Now I figure US 420 cams are larger than US 500. Documents I found show that all these motors will swap cams: M116.964/965 und M117.961/963/964/965
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#11
08-19-2006, 06:08 PM
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There's a chance the cams are the same.
Also, because an engine is bigger doesn't mean it has "larger" cams - for example, duration of 3.5 cams is longer than those of a 4.5 (m116 vs m117). I would assume the same to be true of 500 vs 420 cams, since the 420 has less displacement, it has a longer duration to compensate for that.
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#12
08-19-2006, 06:29 PM
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Quote:
Hrm, I figured they were setup for that certain motor. I know where some Euro 380s ones are at too, if they're larger yet? Is there anywhere I could find the duration (.050" and .006"), lift at valve, LSA, and the ICL?
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#13
08-19-2006, 07:48 PM
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The duration needs to be derived from the openings and closings which should be listed in the engine manual (m116/m117 service manual, I believe seperate ones were made for the 3.8/5.0 and then the 4.2/5.6). There is also at least one posting on this forum that lists the openings, closings, and durations for common 3.5/4.5 cams; your best bet for power in a 420 aside from stock cams would probably be 3.5 cams with matching mechanical studs.
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