Plan on doing upgrades to the 5.9 Cummins in my K20

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Blazerlady

Junior Member
Joined
Apr 11, 2025
Posts
18
Reaction score
78
Location
MI
First Name
Andrea
Truck Year
1985
Truck Model
K5 Blazer
Engine Size
5.3 converted
Plan on doing upgrades to the 5.9 Cummins in my K20. I should of done it when I did when I did the swap. A few are head studs using the ARPs, better cam, p pump conversion ,bigger turbo and Pulse Exhaust manifold from BD Diesel. I know the stock exhaust manifold is starting to leak. Been wanting a little bit more top power. The Cummins came out of a 1995 Dodge Ram 2500 with 130,000 miles on it. Hopefully do it late August and planning to tear it down all the way
 

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