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Old 06-28-2013, 12:13 AM
magnum1212 magnum1212 is offline
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Join Date: Jun 2013
Location: kennetcook, Nova Scotia
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Vehicle: 98 ram 1500 4x4 swb 318
Color: black
Engine: 1994-2001 318ci (5.2L) Magnum V8 220hp
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Post 1998 ram 1500 4 speed swap from first gen

Planning on doing a 4 speed swap to my 98 ram currently have a 46 re in it not the oringial 46 rh,, i know what all i need as far as components go with the swap pretty sure it all bolts up fine just some remounting with the cross member ans drive shafts but no big deal, curious about the crank sensor on the bell housing as it it positiong in one spot on the nv3500s and 46rh& re of those 2nd gen dodges. did the 1st gen have a crank sensor and if so can it be re wired in to my computer or cut out and seated in the same position on the 4 speed. Also what type of tranny is the 4 speed from the 90's dodge ram 4x4? im unsure of the model? trying to start this soon as the tranny is out any information would be appreciated, this is a road vehicle but looking to do a decent job but dont care about engine codes just unsure if no crank senor would cause the computer to malfunction. Thanks
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Old 06-28-2013, 12:33 AM
98hemi-ram's Avatar
98hemi-ram 98hemi-ram is offline
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Join Date: Feb 2011
Location: Kawartha Lakes, Ontario
Age: 26
Posts: 151
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Vehicle: 98 Dodge Ram
Trim Level: Sport
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Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
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I cant help much on swapping on a 4 speed swap but I have to ask why not just use an NV3500 or NV4500? These swaps have been done before plus you get the added benefits of having an overdrive gear for highway driving.
98 Ram 1500 rcsb 2wd - 5.7 Hemi swapped with many upgrades
All mods listed in my profile
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Old 06-28-2013, 03:56 AM
Gen1dak Gen1dak is offline
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Join Date: Aug 2011
Location: MS Gulf Coast
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Vehicle: 1990 RamCharger
Color: Red
Engine: 1988-1991 318ci (5.2L) LA V8 140hp
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All V-8 Magnum-equipped vehicles have the crank sensor in the same place on the engine. That's 1992 and up for 5.2 and 1993 and up for 5.9. It is a vital part for the MPI fuel injection system. Earlier TBI injection did not use a crank sensor. The sensor is necessary for the timing events for the Magnum fuel system, so yeah it'd be a problem not having it. The engine won't run. If you're planning on using a pre-Magnum transmission, you will need a Magnum flywheel that is matched to your engine and will need to cut a notch in the bellhousing just like the 46RH/RE has for the crank sensor to see the flywheel (Or use a Magnum V6/V8 stickshift bellhousing). Bolt patterns are the same.
What are you meaning by 1st Gen Rams? Dodge Rams have been around a LOT longer than the early 1990's. Pre-Magnum used the NP833 and NP435. The 435 is an excellent heavy duty transmission, used in even 1-ton models and found behind everything from a 170 cube slant six to a 440 V8, 1962-1991. The 833 (1977-1990) is also a long-lived proven design, more street-oriented, but still a solid transmission that was behind the 225 slant six to the 440. There was a medium ratio 4 speed with 1:1 final drive, and a wider ratio version was developed with a .73 ratio 4th gear. Typically, the NP435 had four forward geats, but 1st is actually a double low ideal for towing or crawling (for 4wd). Consequently, there are 3 street duty forward gears. The others were the G360 5-speed for the Cummins diesel, and the NP535 5-speed (a light duty model) for the V6. There was also the T87 3-speed manual as well, not very common (used on slant sixes and the 318. Pre-Magnum 4WD is most likely the NP435. These are easily ID'd at a glance. The stick goes right into the top of the gearcase. The 833 has the stick on the side with shift rods.

Last edited by Gen1dak; 06-28-2013 at 04:01 AM.
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