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Diesel Conversions Convert gas to diesel, or convert to a 6.2/6.5/Duramax/Cummins/Navistar/Isuzu/Perkins/Detroit/or ... diesel engine. Go here to see completed projects, works in progress, share your conversion or ask the experts.

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  #61  
Old 01-20-2009, 09:37 PM
MRHELLBILLYDELUXE MRHELLBILLYDELUXE is offline
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Default 1994 Chevy silverado 1500 pick up detroit Conversion

hey every one i am a little lost with my Conversion i have two motors 4-53 and a 4-71 Detroit's and i really don't know what one would be best and could i also use my 5 speed manual tranns that's in the truck now witch is on a 350 and also what about the weight and the rear end so if anyone got any tips i should would be thankful

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  #62  
Old 01-20-2009, 10:05 PM
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6.5 Detroit Diesel 6.5 Detroit Diesel is offline
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Default Tranny

Given that you have a 1500, I doubt that the NV3500 you have right now could take the kind of torque that it would get behind these engines. As for your rearend, you have either a 8 1/2" rear or if you have a 6 bolt 1500, you have a 9.5". The 9.5" would stand up better to a diesel for sure.
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  #63  
Old 01-21-2009, 12:26 PM
MRHELLBILLYDELUXE MRHELLBILLYDELUXE is offline
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Quote:
Originally Posted by 6.5 Detroit Diesel View Post
Given that you have a 1500, I doubt that the NV3500 you have right now could take the kind of torque that it would get behind these engines. As for your rearend, you have either a 8 1/2" rear or if you have a 6 bolt 1500, you have a 9.5". The 9.5" would stand up better to a diesel for sure.

but would the tranny fit it ????
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  #64  
Old 01-21-2009, 01:57 PM
Rafedial1 Rafedial1 is offline
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Quote:
Originally Posted by MRHELLBILLYDELUXE View Post
but would the tranny fit it ????
I cannot be certain about the Nv3500 bellhousing bolting up to the 4-53 Detroit. That's the least of your worries, getting the correct clutch and flywheel to go with that would be a nightmare!

The Nv3500 is also not the strongest. From another gasser truck forum I have seen them grenade with just a little over 500 ft.-lb, they are only rated at 300 ft.-lb. from New Venture.

From what i can remember the 4-53 Detroits came with a Clarke 280 Vo 22 5 spd. with overdrive as one option.

As for the rear, the 8.5 inch 10-bolt that is in your Silverado is not going to handle the torque. I am almost 100% sure GM equipped a 14-bolt SF rear that came with 6-lugs. They are very rare and $$$$$, I know I have been looking for one. These rears are almost a bolt in. Otherwise you will have to look into alot of fabrication.

Ask this guy what he did. http://www.youtube.com/watch?v=k3qyR2z8xEs
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  #65  
Old 01-21-2009, 02:49 PM
MRHELLBILLYDELUXE MRHELLBILLYDELUXE is offline
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Quote:
Originally Posted by Rafedial1 View Post
I cannot be certain about the Nv3500 bellhousing bolting up to the 4-53 Detroit. That's the least of your worries, getting the correct clutch and flywheel to go with that would be a nightmare!

The Nv3500 is also not the strongest. From another gasser truck forum I have seen them grenade with just a little over 500 ft.-lb, they are only rated at 300 ft.-lb. from New Venture.

From what i can remember the 4-53 Detroits came with a Clarke 280 Vo 22 5 spd. with overdrive as one option.

As for the rear, the 8.5 inch 10-bolt that is in your Silverado is not going to handle the torque. I am almost 100% sure GM equipped a 14-bolt SF rear that came with 6-lugs. They are very rare and $$$$$, I know I have been looking for one. These rears are almost a bolt in. Otherwise you will have to look into alot of fabrication.

Ask this guy what he did. http://www.youtube.com/watch?v=k3qyR2z8xEs

so what would be the best way to go with the tranny and the rear?????
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  #66  
Old 01-21-2009, 03:10 PM
Liftgate Liftgate is offline
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Default 4-53 or 4-71?

Hello HellBillyDeluxe. Maybe I can help you. I am talking about the 4-53 engine. What model is it? I put a 4-53T in a 1964 K10 suburban and it worked okay. I added 2 leaf springs to each side in the front. The rear was the original 10 rear end. I put different gears in it. I used 3.07:1 ratio gears. It held up fine. The trans was a manual 4 speed with granny low. It held up fine. The engine I used had N-50 injectors. What size does yours have? That might make a difference. I have GM part numbers for the adapters for the manual trans from engine to trans/bell housing but they might not be available anymore. It bolts up to the original crossmember for the trans. I have the part number for the flywheel too. It uses an 11 inch clutch and pressure plate I think. It is the original clutch size for my truck. You will need a return fuel line to the tank. I have my engine out now for a rebuild with cross-head pistons. Hopefully I can get it running again this year. Good luck and let me know if you have any questions!
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  #67  
Old 03-24-2009, 09:23 AM
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Wing Nut OOA Wing Nut OOA is offline
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wish i had pictures but my dad and his cousin put a 6v53 in his 78 c30.

bent something upfront slightly...went through front tires in about 1500miles.


they said it bolted straight up to the 4spd trany.



my plans for the truck were to go to a drivetrain from one of these








i've since picked up a 95 6.5 k2500 and gave my dad his truck back.



i would in the future like to get one of these K3500HD's with a crew cab and put a regular pickup bed on it.

then stick a 6v in there.
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  #68  
Old 05-27-2009, 02:31 AM
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Quote:
Originally Posted by journeyman View Post
I had a 4-53 in an IH travelall. Things I disliked: Noise (but that is exactly what you LIKED), fuel economy (only got 12-13 mpg). Things I liked: Power and torque.
My boss had a 4-71 in an old work truck and it always sounded a lot more "sedate" than mine (lower rumble, smoother), not sure why.

If you want to go with the aluminum 4-71, I would recommend investing in an Allison 1000 transmission (if you want A/T) or one of the newer 6 or even 7 speed manuals. The DDAD's rev like there's no tomorrow, but they don't like to lug. Right gears will make the whole experience a LOT better.

I worked at a Detroit Diesel/Allison shop for years. The rotors inside the blower are shaped differently on a 53 series than the other series Detroits (71, 92, etc). The 53 rotors are straight while the 71 are twisted into a spiral shape. That's why a 53 series is louder than a 71, the extra noise from a 53 is coming from the blower.
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  #69  
Old 10-01-2009, 09:03 PM
gophergunner gophergunner is offline
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I am now on the hunt for an aluminum block Detroit Diesel. In fact, an engine with aluminum heads and front/rear covers would be ideal.

6V-53 preferrable, but I am also considering a 4-53.

Obviously, I'm willing to pay shipping costs to get it here, so then naturally aluminum would be nicer for that as well.

Running or not, if its an aluminum block I would like to get my hands on it.

Thanks.
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  #70  
Old 10-12-2009, 08:12 PM
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Since we're on the subject of aluminum Detroits, here's a pic of my aluminum 4-71 in my 1 ton Silverado.



A lot has been done to the motor (ceramic coated piston domes and teflon coated skirts), Jet-hot coated exhaust (and turbo), etc. It will also be intercooled. I have a 10 speed Roadranger to go behind it.
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