Looking for 800+ hp 12v options

Smitty256

Smitty256

Too Much Time
Joined
May 16, 2014
Messages
234
Hey guys, I would like to achieve 800* hp with my 98 12v. What are some setups that could achieve that? Prefer twins. I'm completely changing my setup and would like some help on my build. I was thinking about 64/80 twins and 5x.018 or 5x.020's?? I have .025's at the moment with a benched 12mm and injectors are way to big for pump. Any advice or comments are appreciated!!
 
I made 780 rwhp with a 12v ported head mild cam 12mm pump 5x.018 injectors s362 and s475 it was very very fun to drive . I would agree 5x.025 injectors are to big for your end goal. Have any more questions Pm me I done every 12v combo you can think of .
 
Rich dzl said:
I made 780 rwhp with a 12v ported head mild cam 12mm pump 5x.018 injectors s362 and s475 it was very very fun to drive . I would agree 5x.025 injectors are to big for your end goal. Have any more questions Pm me I done every 12v combo you can think of .
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Not quite. :poke:
 
Why don't you like the 5x25s? I'd say a 62/75 or 64/80 would be fun to drive and lay down the power.
 
I run 748 on fuel with 5x.020 injectors and a single billet 475. Those .025's will get you where you want with those twin turbos and some tuning. It will be hot but it will do it.
 
YOUNG GUNS15 said:
I run 748 on fuel with 5x.020 injectors and a single billet 475. Those .025's will get you where you want with those twin turbos and some tuning. It will be hot but it will do it.
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How you doing?? Been a few years right?
 
97rada said:
How you doing?? Been a few years right?
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Doing alright, I got back from Portland a few days ago. I am jumping back into the diesel game. Truck sat for two years, now I'm in process of fabbing up the 475/hx82 compound turbos.

Back on topic, 800hp on fuel is impressive with a 12 valve, a lot of people talk the talk but very few actually take the time to tune their truck right to do it. I got lucky and happen to put up a decent number with little tuning on my 13mm pump. I only drove it for two weeks before it was parked for two years.

-Spence
 
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