Just a little more . . . . .

How to make it go fast

Moderators: Greenleaf, KTA, BC847, Richie O

Re: Just a little more . . . . .

Postby BC847 » Mon Jan 06, 2020 5:55 pm

- Got the Compushift specific inline VSS and installed it between the truck's ratio-adapter and VSS. My speedometer now works correctly. :roll:


My stock/OEM transmission fluid dip-stick tube has been "adjusted" numerous times to get around the trans of the moment. This round is no different.
Yeah well, I pinched the tube's O-ring where it plugs into the trans-case. One drop every ten seconds. :roll:

- Fixed that PITA mess!

Slowly moving forward, SLOWLY but, . . . still. :?
David

1993 12mm VE Fueled W250 CC, Green
12.67 @ 103.35
Your basic farm truck ;)
BC847
Administrator
 
Posts: 2133
Joined: Wed Jan 03, 2007 5:22 pm

Re: Just a little more . . . . .

Postby PToombs » Wed Jan 08, 2020 5:48 pm

Breath in, breath out! :lol:
pete

Just enough power to break everything behind the crankshaft.
User avatar
PToombs
14mm rotor
 
Posts: 11343
Joined: Sun Jan 07, 2007 6:13 pm
Location: Syracuse NY. Snow central!

Re: Just a little more . . . . .

Postby BC847 » Sat Jan 11, 2020 2:56 pm

PToombs wrote:Breath in, breath out! :lol:

Indeed. 8)

Fired-up the DATA-logger to see what's going on. (Fresh software install. Still gotta configure it). There's apparently an issue with the Primary and Intake-log Boost sensor/wiring.


Anyhoo, this is some of the typical DATA to sort through and interpret.

WHITE = Speedometer
ORANGE = Engine RPM
LT BLUE = Transmission Line Pressure

Image



WHITE = Speedometer
DK BLUE = Pyrometer (used here as a reference to throttle position)
LT BLUE = Transmission Line Pressure

Image



Just for chits'n giggles . . .
ORANGE = Engine RPM
PURPLE = Secondary Output
LT BLUE = Back-Pressure

Image
David

1993 12mm VE Fueled W250 CC, Green
12.67 @ 103.35
Your basic farm truck ;)
BC847
Administrator
 
Posts: 2133
Joined: Wed Jan 03, 2007 5:22 pm
Top

Re: Just a little more . . . . .

Postby Tacoclaw » Sun Jan 26, 2020 8:18 pm

Just read through this whole thread.

If I’d been keeping up with this I’d have either finished my truck or given up on because I can’t compare :lol:

Awesome thread, BC. I’ve messed with some gassers lately, your datalogs are awesome and they’re invaluable, even sow a street car.

Your triple build is nuts, I’m glad I hacked my stuff together before you set a standard. :lol:

Congrats on your progress! :grin:
1990 W250 4x4
Rattles, growls, whistles, and whines.
User avatar
Tacoclaw
14mm rotor
 
Posts: 4103
Joined: Wed Mar 11, 2009 7:50 am
Location: Cheshire, OH
Top

Re: Just a little more . . . . .

Postby BC847 » Wed Jan 29, 2020 11:16 am

Thanks. :D

After 295,502 miles over the coarse of 27ish years, I believe a rod-bearing has parted ways. :!:

Went out to the dyno shop the other day and made an appointment for a week later. Started the truck and let it warm up. Just before leaving the house, I noticed the oil pressure was a little lower than normal. Checked the oil level and found it full. OK, fine. On the way home from the shop, I noticed what I thought sounded like I had an air-bound an injector. A few seconds later, a very strong thumping started coming from under the hood. The oil pressure gauge showed none. Still full of oil.


They've been good bearings. Funeral details TBD.
David

1993 12mm VE Fueled W250 CC, Green
12.67 @ 103.35
Your basic farm truck ;)
BC847
Administrator
 
Posts: 2133
Joined: Wed Jan 03, 2007 5:22 pm
Top

Re: Just a little more . . . . .

Postby dazedandconfused » Wed Jan 29, 2020 2:31 pm

That sucks to hear.
Big Andy
1983 Dodge D150 that has been repowered with a 93 Cummins/518 running gear AKA The Ugly Duck! I would much rather build them then buy them.[
User avatar
dazedandconfused
14mm rotor
 
Posts: 6107
Joined: Thu Apr 05, 2007 6:25 pm
Location: Walton, Kentucky
Top

Re: Just a little more . . . . .

Postby PToombs » Wed Jan 29, 2020 3:33 pm

That sucks Dave! Sounds like a good excuse to upgrade the bottom some though. ;)
pete

Just enough power to break everything behind the crankshaft.
User avatar
PToombs
14mm rotor
 
Posts: 11343
Joined: Sun Jan 07, 2007 6:13 pm
Location: Syracuse NY. Snow central!
Top

Re: Just a little more . . . . .

Postby fatty » Wed Jan 29, 2020 6:27 pm

Oh crap! I hate it when that happens. What's the rebuild plans?
91.5 w250
fatty
14mm rotor
 
Posts: 792
Joined: Tue Nov 04, 2008 8:52 pm
Location: Washington
Top

Re: Just a little more . . . . .

Postby BC847 » Wed Jan 29, 2020 7:48 pm

I've known for a while the cylinders were flaring toward the top of their bores. The excessive blow-by speaks loudly of it.

My initial thoughts regarding that are:
- Do the typical bore oversize.
- Replace the pistons with the Mahle 286210 (the NON IC piston I think it is). That'll he me go from a stock 54mm bowl opening to a 59.12mm bowl opening. Further, My stock ICed piston bowl has a 44.2cc volume. The 286210 has a little smaller bowl volume of 43.2cc. That'll raise the C/R a bit.

I'm interested in the bowl volume as it's one way of raising C/R. My head has swirl-inducing reliefs cut in and as such, the C/R is reduced.
I'd like to bring the C/R back up.

Image


Open to suggestion. :)
David

1993 12mm VE Fueled W250 CC, Green
12.67 @ 103.35
Your basic farm truck ;)
BC847
Administrator
 
Posts: 2133
Joined: Wed Jan 03, 2007 5:22 pm
Top

Re: Just a little more . . . . .

Postby BC847 » Sun Feb 02, 2020 5:08 pm

OK, . . . .. .. hold on . . ..

>Takes a belt, . . make that two belts from the Mason jar<

Got the party started with pulling the front of the truck off.

Image



Toward the end of the day, the wife stuck her head out the door and hollered "Dinner's on the stove".

I replied: FINE!!

Image

>Takes another belt from the Mason jar<
David

1993 12mm VE Fueled W250 CC, Green
12.67 @ 103.35
Your basic farm truck ;)
BC847
Administrator
 
Posts: 2133
Joined: Wed Jan 03, 2007 5:22 pm
Top

Re: Just a little more . . . . .

Postby Tacoclaw » Sun Feb 02, 2020 5:46 pm

Are you at your timing/boost limit, BC?

If you’re at your timing limit and aren’t spraying out of the bowl, will wider bowls hurt anything? If you’re not out of your maps, why not just shove some more boost into it?

If you’re gonna put aftermarket pistons in it anyway then you may as well, but if not then it’s a pretty big expense.
1990 W250 4x4
Rattles, growls, whistles, and whines.
User avatar
Tacoclaw
14mm rotor
 
Posts: 4103
Joined: Wed Mar 11, 2009 7:50 am
Location: Cheshire, OH
Top

Re: Just a little more . . . . .

Postby BC847 » Sun Feb 02, 2020 6:36 pm

Dunno. Gotta get deeper in it to see what's going on.
David

1993 12mm VE Fueled W250 CC, Green
12.67 @ 103.35
Your basic farm truck ;)
BC847
Administrator
 
Posts: 2133
Joined: Wed Jan 03, 2007 5:22 pm
Top

Re: Just a little more . . . . .

Postby BC847 » Mon Feb 03, 2020 3:33 pm

Well, 15 years ago, I bent-up some coat hanger wire . . .

Image



Stuck that bad boy over my KDP . . .

Image



That bad boy is right & tight today . . .

Image



That's the good stuff so far. And I've still got to see what's stomping around inside!! :shock:



So, I'm pulling stuff off the front of the engine. The engine lube-oil pump's right there so . . (just that much less weight to lift out).


So, as I'm pulling out the pump, half of the lower/right mounting bolt flange falls out. ?????
Pulling the pump on out finds it fully intact and apparently OK.

Looking in the block's oil pump recess, we see a hair-line crack start in the lower/left oil pump mounting boss. It leaves there and goes down to the root of the recess floor and wall along the bottom headed to the right . . .

Image



. . . To the right, toward the block's front crankshaft main-bearing web . . . .

Image



I see where I need to revise the primary-to-block support bracket so as not to have such a sharp fold (needs a large radius so as to flex a little as needed).

Image



It seems the landscape of the next play has changed.
That's about all I got to say right now.
David

1993 12mm VE Fueled W250 CC, Green
12.67 @ 103.35
Your basic farm truck ;)
BC847
Administrator
 
Posts: 2133
Joined: Wed Jan 03, 2007 5:22 pm
Top

Re: Just a little more . . . . .

Postby PToombs » Mon Feb 03, 2020 3:51 pm

It's safe to say you found the reason for the oil pressure loss. :(
pete

Just enough power to break everything behind the crankshaft.
User avatar
PToombs
14mm rotor
 
Posts: 11343
Joined: Sun Jan 07, 2007 6:13 pm
Location: Syracuse NY. Snow central!
Top

Re: Just a little more . . . . .

Postby Tacoclaw » Tue Feb 04, 2020 4:27 pm

On this post, BC shows up a step by step install of a common rail into his 1stgen.


Sucks, man. :sad:
1990 W250 4x4
Rattles, growls, whistles, and whines.
User avatar
Tacoclaw
14mm rotor
 
Posts: 4103
Joined: Wed Mar 11, 2009 7:50 am
Location: Cheshire, OH
Top

PreviousNext

Return to The good stuff

Who is online

Users browsing this forum: No registered users and 1 guest