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03-15-2005, 12:14 AM | #1 |
whats that smell?
Join Date: Oct 2000
Location: Portland, Oregon, USA
Posts: 289
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Any of you guys ever installed a Diesel in a '67-'72
Hi Everybody,
I can't remember which CAT diesel this guy installed in his '68 Chevy 3/4 ton 4x4, but it was a big 4 cylinder and it sure was cool. I wanted to find out if any one on the board has ever installed a Cummins 6BT or even a 4BT in a '67-'72. I keep kicking myself for not buying that '68, I think it was $3500 and it really looked great. I have had the diesel bug for many years now, but I haven't seen many conversions. Thanks, Erik
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'29 Chrysler model 65 all original, 2nd owner ***FOR SALE*** '63 Impala SS 283, 3-on-the tree, flowmaster 2 1/4" dual exhaust, performer intake, edelbrock 600 carb, chrome 15x8 rally's '65 Impala SS, built 332, 700R4, 3.73, 2 1/2" mandral bent duals w/H pipe, Flowmaster 40-series deltaflows, MSD Mallory, too many modifications to list '72 Chevy Suburban 4x4, NP205, TH350, balanced 357 (.040 350), 268 high energy cam, 9.2:1 comp, 1.94/1.50 heads (ENGINE BUILT BY THE GREAT RAYZOR or if you know him RAY, WHO POSTS ON THIS BOARD AND CHEVYTALK), 3/4 ton leaf springs, 4" lift, 35/12.5/16.5 Grabber MT's, Rancho shocks, Rancho dual steering stabalizer, American Eagle 143's 16.5x9.75 6 lug, 4.10's, 12 bolt rear limited slip, Dana 44 front limited slip. Carter 600, performer intake, headers and flowmaster exhaust system very soon. '74 GMC 1500 Super Custom, Factory 3/4 ton springs, built 400sb w/3947040 heads, 475 hp, 750 edelbrock, ceramic headers, TH350, B&M holeshot 2000, 2 1/2" duals w/ H-Pipe, 40-series delta-flow Flowmasters, Gibson tips, Fey Outlaw 8" drop bumper. '95 Impala SS Flowmaster cat-back, K&N, 255/50/17 G-Force T/A, Dark cherry metallic, 27,000 miles, extreamly fun vehicle '95 Chevy K2500, ex-cab, long bed, 350, AT, Flowmaster cat-back, 265/75/16 Mud Kings, 16x7.5 Centerline HT cast wheels, Leer high rise canope, bed liner w/ mat, loaded.**FOR SALE** |
03-17-2005, 02:39 AM | #2 |
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Join Date: Feb 2004
Location: Hilly Southern Indiana!
Posts: 201
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68 K-10,79 K-10,80 C-30 57 chevy convertible 79 Z28 |
03-17-2005, 08:02 PM | #3 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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The cummings 4bta is a dog off the line untill the turbo kicks in, the 4bt is even worse. They are supposedly long lasting engines, but I have worked on many 6bt engines that run like total garbage with less than 150k on the clock.
Both the 4b and 6b engines are a total PITA to start in the winter, and will smoke out the neighbors untill all cylinders are hitting...this is even on a brand new engine with less than 5 hrs run time. And the older they get, the worse they are in this aspect. |
03-17-2005, 10:20 PM | #4 |
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Join Date: Apr 2003
Location: Central PA....In the Berg of Nisbet
Posts: 790
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Got a 6AT3.4 Cummins ready to go into my C-20...............Wanted to go with a 4-71 Detroit but didn't think it would fit...........5.9 was too long, and I couldn't find any 4 BT's.
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'72 K-20 EFI'ed 250 Inline/4spd stake body, Farm Truck '71 C-20 Cummins Diesel Powered, In storage thanks to $5.00 diesel! '69 3500 GMC 305V-6/4spd, Still under reconstruction.......... Inlines Rule! 6 soldiers standing is better than 8 laying down!!!!!!!! |
03-17-2005, 10:39 PM | #5 |
Senior Member
Join Date: Nov 2003
Location: Calgary Alberta
Posts: 1,936
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Just met a guy on the weekend that installed a 6.2 in his 67. 26 MPG Wow
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03-17-2005, 11:45 PM | #6 |
I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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I'm doing a 6.2L Turbo conversion on my '67 C-30 right now. The 6.5L/6.5L is the easiest swap, obviously, because they already have Chevy motor mounts and bellhousing bolt pattern. The Cummins and Cat swaps are more interesting, and exotic, but I already had a 88,000 mile 6.2L in a wrecked '87 Suburban. I have had good experience with the 6.2L's I previously owned. I bought the Turbo, Intake, and Exhaust Manifolds off Ebay to turbocharge my 6.2L. I found a build-up that a Diesel specialty company does to get about 210 HP and 440 ft lbs TQ out of a 6.2 Turbo. I am going to run the stock SM420 tranny, with a 14 bolt rearend. It will be plenty adequate for what I want to do with truck.
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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! |
03-18-2005, 04:21 AM | #7 |
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Join Date: Nov 2004
Location: "Under Montana skies."
Posts: 1,836
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The 5.9 CTDs do wedge into 67-72 GM 4x4s, but they obviously require fabricated motor mount brackets to mesh with the stock Dodge motor mounts. The engine frame area would need reinforcement. Using a CTD that does not require an intercooler helps facilitate the installation since the intercooler routing thru the rad support is eliminated, as is the squeezing of the intercooler between the rad support and grill. A/C condensor can complicate that further.
Once the CTD is in, it can be backed with the Dodge bellhousing with the hydraulic clutch. Requires clutch master conversion. Back that with a Dodge NV4500 mated to an NP205 with the adapter mounted to stock transmission crossmember. Drill new holes for the no doubt new NP205 frame torque bracket location. Or go total exotic with a 6-speed NV5600 mated to an NP205. Or perhaps a ZF650 (?), though I don't know what that could be mated to. Perhaps a divorced NP205 out of an IHC TravelAll. I've been considering this swap. It's in competion with a much easier 396/402/427 swap. A CTD would be a shop only install, noisy, superb towing, great mileage, expensive, long lasting, and heavy for the HD44 on my K20. The BBCs would be easy for me to install, quiet, more fun driving, great towing, poor mileage, not as long lasting, reasonable weight over my K20's HD44, and probably cheaper. I could solve much of the CTD noise problem with sound insulation, but that wouldn't lesson noise outside the vehicle, such as with the windows down or while driving to near a walk-in hunting perch. Edit: I'll probably build the BBC K20 and try a CTD K20 sometime later. Maybe I'll convert an S10 pickup to electric and not worry about weekend mileage with the BBC.
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'71 GMC K20 Suburban, '71 GMC K10 Suburban, '72 Chevy C10 CST Suburban, '72 Chevy K20 clunker pickup. Last edited by 4x4Poet; 03-18-2005 at 04:32 AM. |
03-18-2005, 05:03 AM | #8 |
Currently Blazerless
Join Date: Apr 2000
Location: St. Joseph Mo.
Posts: 4,827
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Not sure what diesel this is but it's in a 69 4x4.
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1972 C/30 133" W.B. C&C 1970 GMC 3500 157" W.B. single wheel C&C |
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