How much boost should I be seeing?

Power

Power

New member
Joined
Aug 3, 2014
Messages
161
I have a 36 Mack rat rod with:
96 v12 p pump
4K GSK=
191 Delivery Valves=
RackPlug=
Dual Feed fuel line =
KDP/ =
Timing
Injectors 7x12 =
S300 Turbo=
ARP Head Studs =
20 deg timing=
No fuel plate=

I'm getting about 40 lbs when I stab it in 5th gear (egt momentarily hits 1100). Don't get me wrong it's silly fast. Just curious as to what I should be expecting...
 
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Sounds like it could be right....gonna depend a lot on what s300 it is, what exhaust housing and wastegate setting.
 
It's also light so you might not be loading the engine much. What are the specs in the turbo? #40 sounds ball park though.
 
So we out full cut DV in and still see 38 lbs... It has the industrial injection 7x12 injectors. This is a 160 pump... It's also a 60 mm turbo... Thoughts of putting 5x18 injectors on it next, then will go a larger turbo.
 
Get your pump benched by a reputable shop. My buddy got his benched locally and they gave him a radical flow number and it's not very impressive.
 
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