R/C Tech Forums - View Single Post - Official GRP .21 non-tuned off road buggy engine thread!
Old 03-04-2009, 09:41 PM
  #30  
Frank L
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I am using a dynamite 053 pipe on my powerhouse modded non-tuned and it is averaging 11.5 min per tank. It's still not broken in fully but I love it. This is by far a better engine than the previous tuned version I ran last season. powerhouseperformance.com - Mark is the best. Very satisfied customer.
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