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Discussion Starter #1
What would be a good SAFE boost to run off of 93octain...
If i was running 720cc injectors, & using a ARC II unit to controll the fuel.

No upgraded fuel pump.
Other mods that have that may effect this in anyway are my Accel Coils.

if you are going to suggest smaller injectors -- I don't wanyt smaller I plan to get 257's & do not want to keep buying injectors.
 

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before turning up the boost u really should get a quality Ypipe cus that stock POS will blow off or split under high pressure. Steel intercooler pipes r also a good idea as is a larger fuel pump so u dont fry a piston due to fuel starvation.
I think 15-17 # is safe with the stuff I added to your list
 

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Discussion Starter #3
countach Thx for the responce.
I do have a polished alum Y-pipe now. It holds great!.
I plan to do that bypass on the fuel pump. so i get [email protected] WOT.
I'll be happy running 16 to 17psi or so on street gas.
 

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Discussion Starter #4
What boost would i be able to hit if i added a better fuel pump?
 

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Discussion Starter #5
ttt
 
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