gas to cummins

1991dodge · 09-01-2008, 11:30 PM

I have a 1991 1 ton dodge 4x4. Has np435, np 205 and dana 60s f+r. The problem it it has a 360 in it. what would it take to put in a gen 1. I found a running truck with one for $750. wondering if worth my wild? The truck I found has 220,389 miles on it.

**nick03** · 09-01-2008, 11:33 PM

If you can get the whole truck that would make it easier, and would beat the he!! out of that 360 gas gussaler.

__________________
07 Dodge 3500 6.7 6spd Manual, Inferno Red, ProComps Extreme AT 305-65-17, AFE intake w/ torque tube. MP-8 & Edge Juice W/ Attitude! Valair New12.25" 3400# Dual Disk Ceramic/Ceramic on stock Hydro's, 10 months old w/29,500+miles. A big thank you to John at Holland Court Diesel & Dan at Valair

!

HRDROKN · 09-02-2008, 08:26 AM

Not a hard swap... especially if you have a complete doner truck. I would recommend that you use the Cummins running gear though.... The Cummins won't like the 4spd, unless you run some ultra tall gears in the diffs!

__________________
1969 Ford Crew Cab...
http://www.cumminsforum.com/forum/cu...-crew-cab.html

1991dodge · 09-02-2008, 11:01 AM

[quote=HRDROKN;824137]Not a hard swap... especially if you have a complete doner truck. I would recommend that you use the Cummins running gear though.... The Cummins won't like the 4spd, unless you run some ultra tall gears in the diffs!

]

Thats funny because I was planning on putting a gear-vendors over drive/gearspliter on it and 37,s. Right now it has 35s and the diffs have 4,10s. The problem I am having if finding a adapter plate for the cumminns to np435. I did some searching but no luck. The old truck is a 89 and automatic if that matters. thanks .

HRDROKN · 09-02-2008, 12:21 PM

Quote:

Originally Posted by 1991dodge

Quote:

Originally Posted by HRDROKN

Not a hard swap... especially if you have a complete doner truck. I would recommend that you use the Cummins running gear though.... The Cummins won't like the 4spd, unless you run some ultra tall gears in the diffs!

Thats funny because I was planning on putting a gear-vendors over drive/gearspliter on it and 37,s. Right now it has 35s and the diffs have 4,10s. The problem I am having if finding a adapter plate for the cumminns to np435. I did some searching but no luck. The old truck is a 89 and automatic if that matters. thanks .

Look into the 4BT forums... the 4BT's were used in many GM repowers and would have had the adapter plate you're looking for.

Also keep in mind how much torque you intend on making... not sure what the gear vendors max torque rating is and your D60 rear is already marginal. A D60 that is built up with 35 spline axles and a girdle might hold up in none towing applications with a Cummins, but anything more and you need to use a D70 or D80.

__________________
1969 Ford Crew Cab...
http://www.cumminsforum.com/forum/cu...-crew-cab.html

09-01-2008, 11:30 PM	#1 (permalink)
1991dodge Newbie Join Date: Sep 2008 Posts: 2 1991dodge's Truck Pics	gas to cummins I have a 1991 1 ton dodge 4x4. Has np435, np 205 and dana 60s f+r. The problem it it has a 360 in it. what would it take to put in a gen 1. I found a running truck with one for $750. wondering if worth my wild? The truck I found has 220,389 miles on it.

09-01-2008, 11:33 PM	#2 (permalink)
nick03 Holland Court Diesel Join Date: Mar 2008 Location: Lakewood,CO Posts: 1,083 nick03's Truck Pics	If you can get the whole truck that would make it easier, and would beat the he!! out of that 360 gas gussaler. __________________ 07 Dodge 3500 6.7 6spd Manual, Inferno Red, ProComps Extreme AT 305-65-17, AFE intake w/ torque tube. MP-8 & Edge Juice W/ Attitude! Valair New12.25" 3400# Dual Disk Ceramic/Ceramic on stock Hydro's, 10 months old w/29,500+miles. A big thank you to John at Holland Court Diesel & Dan at Valair!

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09-02-2008, 08:26 AM	#3 (permalink)
HRDROKN Cummins Fanatic Join Date: Oct 2007 Location: Northern CA Posts: 176 HRDROKN's Truck Pics	Not a hard swap... especially if you have a complete doner truck. I would recommend that you use the Cummins running gear though.... The Cummins won't like the 4spd, unless you run some ultra tall gears in the diffs! __________________ 1969 Ford Crew Cab... http://www.cumminsforum.com/forum/cu...-crew-cab.html

09-02-2008, 11:01 AM	#4 (permalink)
1991dodge Newbie Join Date: Sep 2008 Posts: 2 1991dodge's Truck Pics	[quote=HRDROKN;824137]Not a hard swap... especially if you have a complete doner truck. I would recommend that you use the Cummins running gear though.... The Cummins won't like the 4spd, unless you run some ultra tall gears in the diffs! ] Thats funny because I was planning on putting a gear-vendors over drive/gearspliter on it and 37,s. Right now it has 35s and the diffs have 4,10s. The problem I am having if finding a adapter plate for the cumminns to np435. I did some searching but no luck. The old truck is a 89 and automatic if that matters. thanks .