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Tractor Pulling Discussion Forum

pulling a 1900 gm diesel

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Dave from Michi

01-08-2004 19:23:59




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what all can i do to start pulling a 1900 gm? im not sure of its weight, so im not sure what classes it would fall into.I have done some pulling in the past (pulled 830 jd got a 2nd once)but i want to get into a lower weight class.One reason for this is they did away with the 10,000lb class where i pull.there is a 12,000 and up.Can one of these get on a diet down to 8,000?i also like to get some more power out of it any ideas? i know there is alot to pulling but ideas sure help and i really would like to make this ol detroit a tractor that makes people go "oh crap here comes that 1900 gm!!!" thanx for any info Dave

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Tom

01-09-2004 19:50:27




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 Re: pulling a 1900 gm diesel in reply to Dave from Michigan, 01-08-2004 19:23:59  
I know of a oliver grill in my area that is made out of pine. It looks realy good till you get realy close. I mean like 3ft away definatly much lighter. It would take some time but not much money. Just my two cents. good luck. Tom



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John

01-09-2004 11:06:00




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 Re: pulling a 1900 gm diesel in reply to Dave from Michigan, 01-08-2004 19:23:59  
Dave:

The horsepower part on this tractor is easy to accomplish. Install a BIG set of injectors, install a turbo, and increase engine RPM's. You can get all of this stuff (anything for the 53 series engine) from your local Detroit Diesel Dealer.

John



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Steve Crum

01-09-2004 08:02:54




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 Re: pulling a 1900 gm diesel in reply to Dave from Michigan, 01-08-2004 19:23:59  
I built as set of 3" "zoomie" headers for a fellow's 1900/4-53 Detroit a few years back. I believe he was in Colorado. I understand that this tractor was very competative but we never discussed the stats. I expected I would be able to hear this tractor all the way back here in Pa.



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buickanddeere

01-09-2004 06:12:46




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 Re: pulling a 1900 gm diesel in reply to Dave from Michigan, 01-08-2004 19:23:59  
A 4-53 "Screaming Jimmy" will make 155HP still in factory recomended specs. A 3-71 about 135HP. With a set of old hard Firestone 23 degree 18.4x34 or 38's. And a long enough and stiff drawbar to lever the weight off the front. She would be pretty tough and still "stock" in the 12,000 class. A shame they tossed the 10,000 class. A 80/820/830 with only 67 to 90HP can't travel as fast through holes and coast over humps.

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Dave

01-09-2004 10:16:47




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 Re: Re: pulling a 1900 gm diesel in reply to buickanddeere, 01-09-2004 06:12:46  
what kind of things could you do to get the horsepoewer around the 155 mark?



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buickanddeere

01-09-2004 12:19:43




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 Re: Re: Re: pulling a 1900 gm diesel in reply to Dave, 01-09-2004 10:16:47  
Factory specs for the California fire truck and 49 state for a 155 HP 4-53 are. N series 21 to 1 pistons/sleeves, N series N50 injectors, four valve head ( use new guides,springs,valves and seats) and turn at factory max rated of 2800rpm = 155HP. Not bad for stock.



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Dave

01-09-2004 13:52:42




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 Re: Re: Re: Re: pulling a 1900 gm diesel in reply to buickanddeere, 01-09-2004 12:19:43  
From the info that i have been able to find,mine has the 21:1 compression ratio,four valve heads, but i dont know about injectors and im sure the rpm's are stock. how exactly do you turn up the rpm's? thanx Dave



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buickanddeere

01-09-2004 16:28:49




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 Re: Re: Re: Re: Re: pulling a 1900 gm diesel in reply to Dave, 01-09-2004 13:52:42  
Go to your local DD dealer and get the latest HD valve springs for the cam followers and valves. All three cam followers get the heavy spring now. Stiffen the spring or adjust the spring attachment point. Don't wind her past 2900 no load unless your pockets are deep.



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KBMO

01-09-2004 05:34:41




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 Re: pulling a 1900 gm diesel in reply to Dave from Michigan, 01-08-2004 19:23:59  
I think a 1900 would be a neat puller. Just make sure everyone in the crowd brings their ear plugs. If you are going to make it a "puller" then 8000# would be fairly easy to reach on one. There is a lot of cast that could be replaced. I have heard of people using a 6-71 blower on them to get the HP up. What year did a 1900 come out ?



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Jon

01-09-2004 04:27:51




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 Re: pulling a 1900 gm diesel in reply to Dave from Michigan, 01-08-2004 19:23:59  
We have a 1950 with a GM that we just rebuilt. It had a wide front on it but we converted it to a tricycle. Its sitting around 9500. Could possibly get it to 9000 but would be stripped. I dont think their is a chance in the world of getting a 1900 down to 8500 or 8000. If you did you would have no moveable weight and the tractor would be nose heavy.



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Sorry, you're wrong!

01-09-2004 09:56:49




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 Re: Re: pulling a 1900 gm diesel in reply to Jon , 01-09-2004 04:27:51  
If you know what you're doing, they'll go under 7000 with the cast belly still!



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Dave

01-09-2004 10:22:10




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 Re: Re: Re: pulling a 1900 gm diesel in reply to Sorry, you're wrong!, 01-09-2004 09:56:49  
What would you have to do to get it to this weight?Would most places still let me pull?



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Jon

01-09-2004 17:37:06




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 Re: Re: Re: Re: pulling a 1900 gm diesel in reply to Dave, 01-09-2004 10:22:10  
Dave does your 1900 have the big heavy wide front? I admit I may have worded it wrong by saying their is not a chance in the world. I have seen an 1850 farm tractor stripped(not a high performance pulling tractor) with a tricycle front end and pressed steel all around with 18.4X34's get under 7500. I suppose if you wanted to spend some $$$ you could get one down to probably 6500. I've read some of your other posts and with those big rear tires you want to use I dont think its possible to get a 1900 below 8500.

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Dave

01-09-2004 17:54:39




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 Re: Re: Re: Re: Re: pulling a 1900 gm diesel in reply to Jon, 01-09-2004 17:37:06  
Your right i think the big tires are a no no after talking to some guys they say the 18.4 34 or 38 is better for pulling.my tractor has the wheatland fron axle not the big huge heavy duty one but im sure it is heavy enough.im thinking about a narrow front by making my own adapter plate.



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A.P.

01-10-2004 03:44:33




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 Re: Re: Re: Re: Re: Re: pulling a 1900 gm diesel in reply to Dave, 01-09-2004 17:54:39  
If you are trying to save the weight I would go with the 18.4 x 38" tires. They will save 400 pounds over the weight of a set of 23.1x34 or 24.5x32" tires.



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