Bbjd Intake manifold December 21, 2013 08:05AM
What is the best intake manifold for a john deere big block profarm/super farm motor



Edited 1 time(s). Last edit at 12/21/2013 08:43AM by bbjd.

Re: Bbjd Intake manifold December 27, 2013 08:36AM
Also wondered which exhaust manifold was best. There's a center exit one from an excavator or something that I've heard makes 50hp more.

Re: Bbjd Intake manifold December 27, 2013 01:19PM
Wonder which one? I have a 450lc excavator manifold but it is a small foot and it's leaning not flat. The 450lc has a 10.1 liter in it

Re: Bbjd Intake manifold December 29, 2013 04:15AM
You gain almost that if less say you have a 30 or 40s exhaust manifold and you get um i think its off a 8560 /8760
Maybe not 50 maybe 15 to 25 but i wont even say how much torque you gain Smiling

Intake gosh good luck with finding one used you ll have to buy new but it flows faster than a small block
55s intake it basically the same
What intake are you using 30 40s intake with intercooler pulled out theirs 20hp like i said flows faster cools better
f you dont know what it looks like a 4255 intake just alittle longer but that wht they look like

Re: Bbjd Intake manifold December 29, 2013 04:53AM
I have the intake that you are talking about, for sale. look on for sale page . 50 series 619 bbjd

Re: Bbjd Intake manifold December 29, 2013 04:55AM
So does anyone with some answers written in English or with some part numbers care to respond?

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