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Nv3500 to nv4500 swap

I was thinking about swapping my nv3500 out of my k1500 with an nv4500 out of a k2500. Has anybody done this kind of swap and what issues did yall run into doing the swap as far as fitment.
- 96cheyene
- Thread
- Jul 29, 2019
- Replies: 9
- Forum: Transmissions
Shaking or vibration at highway speed

I got a 96 k1500 350 5 speed, when I'm cruising and coming up to about 60mph shifting into 5th gear the truck starts to vibrate or shake. Once I get to about 65mph or 70mph it goes away and is smooth. Im not sure if its the engine, transmission, tires, or rear end. It doesnt shake the steering...
- 96cheyene
- Thread
- Jul 11, 2019
- Replies: 7
- Forum: Engine Performance + Maintenance
Flashing engine light at highway speed

I have a 96 Cheyenne with a vortec 350 and have recently done plugs, wires cap and rotor, fuel pump and filter within the last 5,000 miles. When I'm driving around town truck runs fine till I get up to 70mph then it starts misfiring and engine light flashes till I slow down. The code stored is...
- 96cheyene
- Thread
- May 12, 2019
- Replies: 8
- Forum: Engine Performance + Maintenance