LilDerk86

Is it safe to put a 125 shot on a stock bottom end? I have a 2003 gt stock except for lontubes, offroad h, catback, 4.10's, steeda tri-ax, and alluminum driveshaft.

bryanec

If you have enough fuel you can. I had to switch to a focus svt pump when I went to 125 shot. Before it leaned out on the top a little, now the a/f is at a steady 12.2 all the way through.
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LilDerk86

so a focus svt fuel pump and a good tune and i should be safe? What kinda times should i see with some stick tires and a 125 shot?

nitrous_bob

you'll be fine

125 jets should knock off almost a second and half (apx 15 cars)

99GreenGT

are you doing wet or dry?

LilDerk86

wet

nitrous_bob

wet or dry 125 is fine....150 is fine

gap your plugs about 0.40"-.045" stock is fine, but if your scared go 1 step colder