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isuzurob wrote:Its cooler on top of the piston with water and oil sqirters, manifold is just raw heat, and yes its 1200 degrees Celsius with a vdo gauge not cheap rubbish, at 600 it's slow as anything as I said fuel=power and that's what I aim for, from memory turbine wheel is 11 blade and compressor is 12/6 blade and 63mm/48mm, that's off the top of my head, everyone says 650 is safe when talking to tuners but no one really knows what things can handle, as I said 2 years of absolute abuse at 1200 degrees c and punched the guegon pins through the pistons, tops are like new
isuzurob wrote:It has a full custom 12mm pump, only factory part is the housing, and custom single spring injectors, temps are normal road driving and towing big trailers
isuzurob wrote:I use autometer gauges not cheap rubbish, keep putting fuel in it will get way hotter than what I said, ie seen the manifold go white from the heat, turbo builder was worried it would melt the wheel
isuzurob wrote:Have run 3 different brand egt and all well over 900 degree celcius, never run on a dyno, has average power, goes far better than my stock 4jj1 colorado and have blown 5 gearboxes in it and 3 clutches to pieces so must have some power
.handymanny01 wrote:Dyno run with the 4jh1 injectors ... you can see the solid hit of power and torque,,, then it just can't burn the fuel properly,,, Will book a dyno run with the 4jb1 injectors and post results,,, expect to see much better result! ,,,, (sorry, pic is kinda fuzzy) red and green runs are 4jg1, the blue line was the old 4jg2 on 20lb and maxed out standard pump ,,,
handymanny01 wrote:Hey Paul, the Komatsu nozzles are DLLA152PN009 4x.30 @ 152degrees. These are at (least in theory) the perfect nozzles for a hot rod 4JG1 Standard 4JG1 nozzles being something tiny like 4x0.17 (don't quote me on that, I just remember them being tiny) Hopefully they fit a set of narrow body 4JB1 injectors I have coming ,,, Def looking forward to the water meth! I've got bits coming from ProMeth (great selection!)in the states, have readied manifold for port injection, 4 x 95cc nozzles, For a total flow of 380cc/min @ 100 psi, or approx 700cc/min @ 200psi. Will test on dyno to see how much is needed
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