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Mike's 1981 300TD wagon
led-panzer Offline
Holset
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Posts: 541
Joined: Oct 2010
Location: Cleveland OH
#51
RE: Mike's 1981 300TD wagon
(04-25-2015, 01:02 AM)Tmike-81-240d Wrote:
(04-21-2015, 07:41 PM)pirublues Wrote: Ha I've been following this car on stanceworks. Beautiful as always.

(04-24-2015, 09:29 AM)MFSuper90 Wrote: Make sure you have a 6cm^2 housing and not a 12cm. Our little engines will never spool a 12cm within reason

What's the best way to tell? I haven't the slightest clue. 

12cm housing will be twin scroll (divided entry) on the turbine housing. 6cm will be single scroll. The size will also be cast just inside the inlet. 

You will for sure need an upgraded pump to spool a 12cm
1984 300D 4-speed ~200,000 miles
7.5mm M-pump, GT3582 turbo, F-Tune Performance intake/exhaust manifolds, A/A intercooler, 315 nozzles, Enlarged prechambers, Bosch 044 feed pump, Custom lightweight flywheel with 240mm clutch, Lowered, 17" AMG rims - 300 hp OM617 project
1985 300D 280,000 miles RIP
2001 F350 7.3 DP tuner, 4"exhaust, S&B intake
04-25-2015, 08:52 AM
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mike-81-240d Offline
more like mike-84-300d now
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#52
RE: Mike's 1981 300TD wagon
Okay it's a single scroll.

I'm only getting 5 psi with the wastegate actuator removed due to A/C line.

Which way should I wore the wastegate lever to wire it closed?

I have a 38mm wastegate and T3 spacer on the way.
1981 Mercedes 300TD Lowered 4 speed manual Holset HX30 
04-25-2015, 07:15 PM
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MFSuper90 Offline
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Location: MOV, Ohio
#53
RE: Mike's 1981 300TD wagon
I believe it should be wired towards the compressor housing, if we are still talking about hx30s.

Mine would build 25+ before it blew the boot off, so careful wiring it shut
'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         
04-25-2015, 07:40 PM
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mike-81-240d Offline
more like mike-84-300d now
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#54
RE: Mike's 1981 300TD wagon
Bought a spring at ACE hardware, now I get 11 psi. Too weak of a spring I think. 

Either way I have a BAD turbo drain leak that I need to resolve asap.

External 38mm WG and T3 adapter should be delivered on wednesday. 

[Image: 11182212_10206561621383032_1005185109566...e=55D0524F]
1981 Mercedes 300TD Lowered 4 speed manual Holset HX30 
04-27-2015, 02:53 AM
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MFSuper90 Offline
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#55
RE: Mike's 1981 300TD wagon
What are you going to do with a 38mm external gate and a t3 adapter?
'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         
04-27-2015, 07:23 AM
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mike-81-240d Offline
more like mike-84-300d now
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#56
RE: Mike's 1981 300TD wagon
Run the external gate.

The holset wastegate actuator hits my A/C line, and even with unbolting the line and manipulating it there isn't enough room. So I'm solving via external gate.
1981 Mercedes 300TD Lowered 4 speed manual Holset HX30 
04-27-2015, 12:27 PM
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MFSuper90 Offline
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#57
RE: Mike's 1981 300TD wagon
Ah I see. I ripped all my AC stuff out. What about the t3 adapter?
'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         
04-28-2015, 08:22 PM
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mike-81-240d Offline
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#58
RE: Mike's 1981 300TD wagon
(04-28-2015, 08:22 PM)MFSuper90 Wrote: Ah I see. I ripped all my AC stuff out. What about the t3 adapter?

The adapter is a eBay special cast iron deal that lets me run a external gate between my turbo, and my stock exhaust manifold. 
1981 Mercedes 300TD Lowered 4 speed manual Holset HX30 
04-29-2015, 01:16 AM
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MFSuper90 Offline
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#59
RE: Mike's 1981 300TD wagon
Ah, I see! I have seen those before. This ought to be a sweet project!
'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         
04-30-2015, 08:52 AM
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atypicalguy Offline
Holset
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#60
RE: Mike's 1981 300TD wagon
I guess I'm wondering why people don't just put external wastegates onto the EGR port on the manifold. One could also just actuate the existing EGR valve some other way (I can't recall how it is actuated, but if it only opens at high RPM, one could even use the EGR setup as a wastegate). The port isn't 38mm, but it would double the size of an internal wastegate and help feed a compound turbo setup. It is probably 20-25mm.
05-01-2015, 05:17 AM
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mike-81-240d Offline
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#61
RE: Mike's 1981 300TD wagon
I remember someone using a EGR port with a little v band flange welded onto it. Seemed like a nice option.

I need to space my turbo out farther from the exhaust manifold, the compressor housing is lightly contacting the manifold.
1981 Mercedes 300TD Lowered 4 speed manual Holset HX30 
05-03-2015, 10:20 AM
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mike-81-240d Offline
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#62
RE: Mike's 1981 300TD wagon
I don't really venture onto forums very often anymore. But the car is still with me after almost 4 years. 

Current updates:
-Swapped cut springs for H&R 50mm
-Swapped Enkei 92 wheels for AMG Road wheels (aka pentas)
-Rolled fenders front and rear
-Removed side skirts
-EGRless exhaust manifold + EGT probe
-VDO EGT gauge
-Low mileage stock Garrett turbo (holset was trash)
-New LUK clutch kit + pilot bearing (had a bad failure in april)
-Back to regular ole euro lights

Future plans:
-Order 7.5mm MW pump
-Install 60 trim turbo (purchased)
-Install W115 NA intake mani (purchased)
-Probably wind up with another HX30 lol
-Crank up current pump while bored waiting for 7.5mm
-Purchase and paint AMG kit
-Re-upholster front seats
-New carpet kit

[Image: 15181566_10211128537193073_7530325896288...e=58B81733]
1981 Mercedes 300TD Lowered 4 speed manual Holset HX30 
12-04-2016, 05:41 AM
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mike-81-240d Offline
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#63
RE: Mike's 1981 300TD wagon
Hey guys. Still around.

Car now has a Benzforce/dieselmeken 7.5mm MW pump, HX30, 3in v band stainless down pipe, 3 inch stainless downpipe back exhaust with all pie cuts and v bands, spec 2+ clutch kit, and all sorts of other stuff. Currently running 21psi and I see 1250+ EGT’s if I stay in it. Intercooler is next on this list, then water meth, and a re-machined Head.
1981 Mercedes 300TD Lowered 4 speed manual Holset HX30 
03-14-2019, 10:32 PM
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mike-81-240d Offline
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#64
RE: Mike's 1981 300TD wagon
Hopefully these upload off of my iPhone.
1981 Mercedes 300TD Lowered 4 speed manual Holset HX30 
03-14-2019, 10:36 PM
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turbojeep Offline
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Location: RGV, South Texas
#65
RE: Mike's 1981 300TD wagon
No photos showing up on my side of things.... Sounds like it's all come together for you though.
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'85 300D ~ 381,XXX miles, HD Bilstein shocks, 27.50x8.50x14R General Grabber AT2 tires, 4 E-Code headlight upgrade with 90w/130w bulbs, boost turned up, new timing chain, and injectors. Brought back from the dead and the hell of WVO! SOLD
'85 CJ7 ~ OM617 swap, Taurus electric fan, T5 trans, Dana 300, 4.88 R&P, Mile Marker locking hubs, ALDA removed, MKII hybrid boost controller, Greazzer's upgraded overflow valve,  AMC 20 rear disk brake conversion, Aussie locked with 33's and 5" Rough Country lift. 
04-20-2019, 10:31 PM
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