injector explanation

s.k.i.t.s.o

s.k.i.t.s.o

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Jan 31, 2009
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im always seeing people talking about injectors and their hp ratings or how many holes and the size of the holes.
what are the differences in injectors. i mean what makes a person say i want to run some 6x.013s or 6x.016s or injectors with more holes than 6...or less for that matter.

for example only(for i know nothing as what size makes what hp) if a 6x.013 is 150hp over stock would a 7x.010 be about the same with different characteristics like egts or smoke or driveability. or would the extra hole mean alot more power.

plus when do they start becoming too big for an everyday diving truck. or for towing.

what is the biggest you could run if you did not ever pull anything just wanted power to play with from time to time
and not any money for a bigger turbo.
 
s.k.i.t.s.o said:
im always seeing people talking about injectors and their hp ratings or how many holes and the size of the holes.
what are the differences in injectors. i mean what makes a person say i want to run some 6x.013s or 6x.016s or injectors with more holes than 6...or less for that matter.

for example only(for i know nothing as what size makes what hp) if a 6x.013 is 150hp over stock would a 7x.010 be about the same with different characteristics like egts or smoke or driveability. or would the extra hole mean alot more power.

plus when do they start becoming too big for an everyday diving truck. or for towing.

what is the biggest you could run if you did not ever pull anything just wanted power to play with from time to time
and not any money for a bigger turbo.
Click to expand...

As for your question on the hole size/quantity question different shops do different things with their injectors, so two same sized injectors could make different power depending on different factors!

as for how big, it depends on the driver, turbo, supporting mods etc., for a stock turbo I wouldn't run anything bigger than somewhere around a 100hp injector depending on manufacturer, but lots of people run 150's and even bigger! drive pressure is thru the roof though
 
Simply speaking...

Boost = high cylinder pressure = hard on head gaskets.
Excess fuel = high drive pressure = hard on turbos.

Anyone feel free to correct/clarify.
 
............

Excess timing = high combustion chamber temps = meltage (hard on wallets)
 
Now you have to explain timing to the new guy!! Way to go. LOL
 
:hehe: Not me - I have to crawl back under one of these trucks in the shop... no rest for the wicked. :Cheer:
 
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