Exhaust manifold for turbo 4020 November 12, 2015 10:15AM
Building a JD 4020 this winter, stock cubic inch, head by REI, 3LM charger and 450 pump, looking for advice on the best exhaust and intake manifolds to use. I have a M&W but may not be the best for the combination, any good advice appreciated thanks.
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Re: Exhaust manifold for turbo 4020 November 12, 2015 12:52PM
I have a 70 4020 that I turbo charged. used a 4430 exaust manifold,a 4440 intake and a 7520 exaust elbow. Used a 4630 turbo,all used parts.Has a 37 head pump on it.Had to rearrange water manifold. Idid it 10 or 12 years ago and still use it today to farm with,no plowing just hay work and seeding some cultimulching.Dinos rite at 215 hp.Lots of fun to work with.
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