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Old 07-12-2009, 01:42 AM
Posted in reply to Russell's post starting "With 260K on the original injectors..."
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The guy said he put royal purple in it. I know that's supposed to be magical oil but I'm not sure it's the correct stuff. I looked at the RP website, they show they have some oil for dodge nv4500. I'm going to buy the GM stuff and change it right now. Then I'm going to get it rebuilt, or at least inspected, before it goes into the 'burb.

I'm going to use the truck to help me move, about 4 hrs away. After I get to my new house then I'll yard that stuff out and put it in the garage. I may as well rebuild the motor too. I really want this to be done right. I can still go wheeling while I get the new motor/tranny ready. I've been reading alot on here and have gotten interested in new studs, high quality gaskets, gear drive, higher flow water pump, and also a girdle kit. I don't know much about it yet but I want the thing to last.

How much more turbo can you put on it before it gets unreliable? I was reading stock is a GM-3, but you can get like a GM-8. I would of course like to explore some performance :-) Of course, after I rebuild it it'll probably run better and I won't want it as much.

Are these injectors for real? Seems cheap.
http://cgi.ebay.com/ebaymotors/CHEVY-GMC-MARINE-6-5-6-5L-TURBO-DIESEL-INJECTOR-NOZZLES_W0QQitemZ380132908649QQcmdZViewItemQQptZMo tors_Car_Truck_Parts_Accessories?hash=item5881afde 69&_trksid=p4506.c0.m245&_trkparms=65%3A12%7C39%3A 1%7C72%3A1171

Should I mount the PMD elsewhere?
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Not that we needed all that to go four wheeling, but once you get into locked a serious parts collection, the tendency is to push it as far as you can.
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Old 07-12-2009, 02:51 PM   #22
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The only lube that is OK for the NV4500 is the stuff you can get at a GM dealership, or a Dodge dealership. It is made by Castrol...

Nobody else carries it or makes it, and it's a GL-4 lube which is a pretty outdated 'standard'.

Check the RP site, I bet you their lube for the NV4500 is not GL-4. If it isn't GL-4 it'll mess up the tranny in short order.

Be prepared to pay through the ass for the correct lube. I paid $21/qt for the correct GM lube for mine. I won't run anything else.

Rene
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Sooooo....................Ima going to fix the rust and get it on the road with a 454 but its stock and just kind of make it nice mild you know with lockers front and rear kind of an every day wheeler daily drive that will soon be completely bonkers ya know mostly stock
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Old 07-12-2009, 11:59 PM   #23
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Originally Posted by hillbilly deluxe View Post
I've been reading alot on here and have gotten interested in new studs, high quality gaskets, gear drive, higher flow water pump, and also a girdle kit. I don't know much about it yet but I want the thing to last.
ARP head studs are a very good idea, standard FelPro head gaskets are fine, I'd skip the gear drive and just replace the timing chain with a new one. The high flow water pump is only worthwhile if you get the dual t-stat housing as well. Also the girdle kit is not a great idea unless you're planning to have the block align honed when you rebuild it. Replacing the outside bolts with studs messes with the block's geometry . . .

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Originally Posted by hillbilly deluxe View Post
How much more turbo can you put on it before it gets unreliable? I was reading stock is a GM-3, but you can get like a GM-8. I would of course like to explore some performance :-) Of course, after I rebuild it it'll probably run better and I won't want it as much.
GM-8 is a small improvement over the GM-3, requires a custom wastegate control as stock is vacuum as opposed to the GM-3's spring loaded w/g. Changing turbo's will not affect reliability at all, but if you start adjusting the wastegate for higher maximum boost you want a pyrometer on there so you can monitor exhaust temperature.

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Should I mount the PMD elsewhere?
The nice thing about a '93 is that you don't have a PMD on your injection pump
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Old 04-25-2012, 12:41 PM
Posted in reply to Wrench's post starting "ARP head studs are a very good idea,..."
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I scored another piece for my swap! Found a passenger drop 241 with mechanical speedo for $350 right here in Rifle. I found a new mechasnic too, he is a chevy nut and has a warehouse full of 'ol parts! There's one little plastic electrical fitting, is that for the 4wd light?

I know I was gonna tear this truck down like 3 years ago but life got in the way and plus it's just been way too damn handy to have around.

100_2844.JPG

100_2846.JPG

100_2845.JPG
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'93 1 ton diesel donor truck for '73 (some day)
'09 Jetta TDI (wifey)

Not that we needed all that to go four wheeling, but once you get into locked a serious parts collection, the tendency is to push it as far as you can.
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Old 04-25-2012, 07:50 PM   #25
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So is the swap gonna start anytime soon?
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Old 04-25-2012, 08:11 PM   #26
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So could you update on the trans?? Did you change oil or?? Is it still noisy?
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Old 04-25-2012, 09:37 PM
Posted in reply to 6872xtc's post starting "So could you update on the trans?? Did..."
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Prolly not anytime soon. Just wanted to blather about my new part! I looked for a long time, with no luck, for a 241 with mechanical speedo then just stumbled on one when I wasn't looking for it.
I've have been daydreaming about how awesome a 6.5/NV4500/241 will be in the old beater.
The low end torque!
The unambiguous shifting of the transmission and transfer case!!!
The 2.72 low range!!

I did end up buying the specific castrol oil that goes in the 4500. It was expensive as hell. The transmission has not changed at all. Still works and shifts great. Still noisy in every gear except 4th. I still want to have it gone through before I install it in the 'burb.

Never changed the fuel injectors either but still want to. Since I've had this truck I've learned to drive and keep one eye on the passenger's mirror. If I see black smpoke it's time to ease up...

I replaced 3 bad glow plugs and that made it alot easier to start. It still pretty much needs to be plugged in if it's so much as chilly outside.
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'73 1 ton Suburban with 37's
'96 5/8 ton Suburban diesel
'93 1 ton diesel donor truck for '73 (some day)
'09 Jetta TDI (wifey)

Not that we needed all that to go four wheeling, but once you get into locked a serious parts collection, the tendency is to push it as far as you can.
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Old 05-04-2012, 07:14 PM   #28
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Sounds like a normal 6.5L to me

I'm swapping mine out for a Duramax / ZF6 manual transmission at the moment
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Old 05-04-2012, 11:06 PM
Posted in reply to Russell's post starting "Sounds like a normal 6.5L to me :D ..."
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Good to hear from you! You talked me into that 241 Do you have a thread going for your swap? If so I want in on it, sounds like a really cool project! I will probably need alot of counseling when I start my swap (whenever that happens)
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'73 1 ton Suburban with 37's
'96 5/8 ton Suburban diesel
'93 1 ton diesel donor truck for '73 (some day)
'09 Jetta TDI (wifey)

Not that we needed all that to go four wheeling, but once you get into locked a serious parts collection, the tendency is to push it as far as you can.
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Old 01-07-2013, 10:26 AM   #30
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...

I did this swap into my CC a few years ago.
downpipe was custom, and I reused the original NP205 with the help of a adavance adapters plate.
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