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is it possible for a n/a quad cammer to make 325+rwhp with stock heads/cam

1K views 26 replies 15 participants last post by  99Roush 
#1 ·
is it possible and if so what does it take (no power adder)
 
#27 ·
Sure can, BUT

Update for those who have followed Shawn Johnson's carbed mod motor. Shawn's trip to the chassis dyno last night netted 300+ rwhp and rwtq. This is a bone stock 1999 4V with 20k plus mileage.
This hp/tq was generated using a high stall converter and C4 trans.

Shawn ran 11.3s first time out and should run high 10's this weekend at WFC5.
 
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