Roush s4 dyno numbers

saleens4

New Member
May 22, 2005
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i installed a s4blower on a 04 gt back in dec it made 334hp and 344 torque pegging the factory mass air meter at 4500rpm which most do. Past weekend i added chicane pulley 90mm lightning mass air meter 42lbs injectors and 75mm tb and retuned it too 11.5 all the way across the board and it made 381hp and 392ft pounds of torque.
 
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saleens4 said:
i installed a s4blower on a 04 gt back in dec it made 334hp and 344 torque pegging the factory mass air meter at 4500rpm which most do. Past weekend i added chicane pulley 90mm lightning mass air meter 42lbs injectors and 75mm tb and retuned it too 11.5 all the way across the board and it made 381hp and 392ft pounds of torque.

What was your initial and total timing?