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09-06-2009, 02:56 AM | #1 |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
I got the drivers side of the engine compartment fairly finished up. I had to massage the inner a little to clear the air intake piping. I made a little bracket for the engine oil cooler hoses. I had to relocate the wiring and I'll clean that up before I'm done. I installed my engine temp and oil pressure gauges just to find out my oil pressure gauge needs to be replaced. I have another pod on top of the dash with a vacuum gauge in it and a hole for the boost gauge when it shows up. More on that later. Trans still does not shift right so I'm hoping that I just have to fiddle with the throttle position sensor a little more, or dink around with the vacuum pump......you know the easy stuff. I did a couple laps around the block and the temp got up to 195 and just stayed there. It was 100 degrees out. Once the truck warmed up I got very little black smoke and it felt strong.
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
09-06-2009, 03:39 AM | #2 |
Registered User
Join Date: Nov 2007
Location: Chamberlain, SD
Posts: 183
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Re: Project 67 GMC custom 6.5 turbo diesel
Awesome thread ! Subscribed !
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09-14-2009, 01:06 AM | #3 |
Registered User
Join Date: Aug 2009
Location: Sunray,TX
Posts: 251
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Re: Project 67 GMC custom 6.5 turbo diesel
I just put a 6.5 turbo into my 72 long/short box conversion 4x4. I plan on mounting my NV 4500 behind it though, for OD. I ended up using the entire engine crossmember(had to hack it all up to fit) out of the '86 military truck that I originally had this motor in. Looks like your project came out really good.
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09-21-2009, 11:48 AM | #4 |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
Right now I must say that I really wish I had a NV4500. I'm pulling my hair out trying to get my th400 to shift. I had to replace the throttle position sensor (regulates vacuum down to the trans to mimic a gas motor), and I've adjusted it everywhere and the trans still wont shift right. Trans mind you only has about 2K on a rebuild, and has never towed anything. I have a few things left to check out before I throw the towel in and bolt up the NV3500 and hope for the best. However I did get the interior decked out. Covered the entire floor in sound deadener, and heat resistant stuff on the passenger side where the exhaust will be. New Carpet, and I found a good seat at my local junk yard that got a new cheapo seat cover, and restored 67 gmc lap and shoulder belts. No center belt because I was planning on restoring the buckets I pulled from a 69 and using those until the wife told me it needs to be a 3 seater for a little while. LAME!!
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
09-21-2009, 11:50 AM | #5 | |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
Quote:
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
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09-26-2009, 03:02 AM | #6 |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
We just finished off a sick exhaust system for the truck a couple hours ago. Took it to the local watering hole for a celebratory beverage. I found out through process of elimination that my vacuum modulator on the trans took a dump on me while hanging out doing nothing. Replaced that and the thing shift pretty good. I think I have some tuning to do as it shift to second really quick and takes a while (imo) to get into third. But between the adjustable vacuum mod. and the VRV on the IP I should be able to tune it quite a bit. The exhaust is LOUD!! I also need to do somthing about the crank case vapor and all the holes in the firewall, that I'm not using now. I should also have my boost gauge so I can see whats going on there, by monday, and later this week I should have the truck over to the tuner to make sure I have the IP in the right spot. The quick report now that the trans shift just about right is that the truck hauls the mail. My diesel buddy drove it tonight for the first time and just said wow. 1/4 throttle is more than enough around town. If I can keep my brain cells rolling in the right lane I'll pack my camera and get some more video of it moving.
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
09-26-2009, 06:00 PM | #7 |
Registered User
Join Date: Aug 2009
Location: Sunray,TX
Posts: 251
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Re: Project 67 GMC custom 6.5 turbo diesel
I posted my build in the 67-72 truck forum. I am using a '91 model clutch master, and the internal slave thats on the '97 nv4500. I just drilled a hole directly off the clutch pedal and gave the master cylinder a home just to the drivers side of the hydroboost. I had it all working fine, until the used slave cylinder decided to start leaking, now I have to pull the tranny and mucho heavy np205 back out just to change it. I guess that will teach me to try and be cheap and reuse unknown condition parts..lol
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09-27-2009, 09:43 PM | #8 |
Registered User
Join Date: Jun 2006
Location: Indiana
Posts: 4,859
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Re: Project 67 GMC custom 6.5 turbo diesel
You said residual valve[U]s[U]. Do you still have front drum brakes? If so, then your golden, but if you have disc brakes, you do not need nor want a front residual valve.
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'70 GMC C1500 LWB Power disc brakes. WooHoo! Posi 6 Lug Dana 60 |
09-28-2009, 01:53 PM | #9 |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
I ended up using two residual valves as pictured. The brakes are awsome. I really need to get a boost gauge on this thing, and a waste gate. Found out yesterday on a drive that I didn't tighten the oil return from the turbo, and oiled down my exhaust, so everything is a good ol mess under the hood now. I just got all the crap out of the bed of the truck so I can mess around with it and dial in the adjustable prop valve.
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
09-29-2009, 11:41 PM | #11 |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
Give me a break, nobody needs to see pics of nasty diesel oil sprayed all over the underhood. I'm still shaking it down. Let me post the nice pics.
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
09-30-2009, 01:48 AM | #12 |
Mean Buzzin' Half Dozen
Join Date: Mar 2008
Location: Orlando, Florida
Posts: 1,081
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Re: Project 67 GMC custom 6.5 turbo diesel
I'm in love.
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"War is an ugly thing, but not the ugliest of things. The decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth war is much worse. The person who has nothing for which he is willing to fight, nothing which is more important than his own personal safety, is a miserable creature and has no chance of being free unless made and kept so by the exertions of better men than himself."
MY TRUCK (Now for sale) 1967 C10 SWB Dylan |
11-11-2009, 01:42 AM | #13 |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
Its been a while. I don't have any new pics, but I'm bringing the truck in to a local shop to have them make sure the injection pump is timed right. This guy deals with many different makes and models of diesels and has some fancy pulse tool to set the timing. I have a hand fabbed exhaust on it, and a passenger side inner fender in it that I butchered horribly (I have another decent one to chop up using this one as a template). I've installed all the rest of the parts that were missing from the truck. Current issue is crankcase vent to remove as much oil as possible from the system so as not to oil down the intercooler, and a more permanent air filter set up. I should have some time to get some new pics posted up later on this week.
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
11-12-2009, 01:40 PM | #14 |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
Got a clean bill of health on the truck. Timing is set at 4 degrees. The tech told me to keep track of my mileage for a couple weeks and stop back in. I put the wipers back on the truck but the arms weren't in the park position so I need to fix that before I take some new pics.
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
11-12-2009, 10:02 PM | #15 |
Registered User
Join Date: Aug 2009
Location: Sunray,TX
Posts: 251
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Re: Project 67 GMC custom 6.5 turbo diesel
Cool deal! I used to vent my crankcase to open atmos below the truck, just to keep the oil resid out of my airbox, but I dunno if that is an option for you.
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11-15-2009, 02:30 PM | #16 |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
That is what I have going right now, but I found out that I really need to have the stock style set up on this motor, and multiple guys on the dieselplace have mentioned that it will keep seals on the truck, and won't oil down my intercooler. I just need to come up with a suitable air intake and I'll be good.
Adam
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
12-27-2009, 03:44 AM | #17 |
Boss Hogg
Join Date: Apr 2002
Location: The Beaver State
Posts: 2,361
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Re: Project 67 GMC custom 6.5 turbo diesel
Updates and Pics?
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03-21-2010, 08:50 PM | #18 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: Project 67 GMC custom 6.5 turbo diesel
I finally got mine running today, so hopefully I'll be tooling around in few weeks myself. Can't wait to see the updated pics!
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'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
03-21-2010, 10:05 PM | #19 |
Registered User
Join Date: Feb 2010
Location: New Port Richey Fl
Posts: 25
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Re: Project 67 GMC custom 6.5 turbo diesel
subscribed im fixing to start an extra cab 4x4 build and plan on using a 6.2 with 6.5 turbo stuff backed by a 4l80e going to using you and 67_c-30 build pages as a refrence
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03-21-2010, 10:58 PM | #20 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: Project 67 GMC custom 6.5 turbo diesel
Sounds like a cool project. I don't know if you know this or not, but 91 - 93 C2500 and C3500 diesel trucks (6.2 non turbo and 6.5TD) came with 4L80E's and had stand alone ECM's just for the tranny. The diesels didn't have computer controlled engines until '94, so that stand alone controller from the 91 - 93's is really nice to retrofit into something older.
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'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
03-22-2010, 12:31 AM | #21 | |
Registered User
Join Date: Feb 2010
Location: New Port Richey Fl
Posts: 25
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Re: Project 67 GMC custom 6.5 turbo diesel
Quote:
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04-02-2010, 11:06 PM | #22 |
Enjoying left field
Join Date: Jun 2008
Location: Dillon Montana
Posts: 900
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Re: Project 67 GMC custom 6.5 turbo diesel
Come on man! Weres the updates? I just read the whole thread and am dieing to know how the story ends. What all is upgraded over stock? Got any mileage numbers? I'm interested in doing this swap into my k10.
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04-03-2010, 09:50 AM | #23 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: Project 67 GMC custom 6.5 turbo diesel
I agree!
__________________
'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
04-10-2010, 05:47 PM | #24 | |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
Quote:
__________________
1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
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04-10-2010, 06:20 PM | #25 |
Parts Hunter
Join Date: Oct 2006
Location: Sacramento
Posts: 247
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Re: Project 67 GMC custom 6.5 turbo diesel
Here is a pic of my 71 suburban and the gmc out front. I also added an in the bed spare tire holder to leave room for a blazer tank under the bed. The exhaust is 3 inch pipe to a stainless custom muffler to a 5" tip down. I still do not have the veggie oil stuff on the truck, and I don't have a boost gauge or pyro gauge yet. I have the boost controler turned down to a safe level. BTW the burb is for sale as I'm relativly confident in this trucks ability. I've towed 5 3/4 complete trucks behind the GMC and it flys. I still have some brake issues to work out but nothing more than a day project.
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1968 Chevelle 300 DLX (350 4 speed) 1984 GMC 2500 6.2, 700r4 work truck 1967 GMC Custom (was 6.5 Turbo Diesel powered) My ebay Store: http://stores.ebay.com/The-Musclecar...3aFQ3aSTQQtZkm My website:http://themusclecarshop.net/ 1967 GMC 6.5 TD conversion build:http://67-72chevytrucks.com/vboard/s...d.php?t=290922 |
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