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crossroads on head selection

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Old Oct 23, 2013 | 07:33 AM
  #31  
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Originally Posted by dirt track racer 81
Yea that's not always true.. Went slower with the big cam, added more nitrous, still slower than the little cam. Even tho i did cut a better 60' with the big cam.. Just put a little cam back in mine.. I have torque.. Lol
What cam are you using now?
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Old Oct 23, 2013 | 07:40 AM
  #32  
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From: Hennessey, Oklahoma
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239/254 .595/.623 114+5
Actually has some low end tq now.. Gonna attempt to tune the nitrous today or tomorrow and take it to the track Friday..
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Old Oct 23, 2013 | 07:52 AM
  #33  
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Originally Posted by dirt track racer 81
239/254 .595/.623 114+5
Actually has some low end tq now.. Gonna attempt to tune the nitrous today or tomorrow and take it to the track Friday..
Mines .235/.251 .621/.624 113 so numbers are pretty close to yours. Interested to see how your new cam performs or is this the original cam you had?
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Old Oct 23, 2013 | 09:20 AM
  #34  
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Old motor had 244/248 .612/.615 112+2 it ran 10.64 @ 128 1.61 60'. Built a new higher compression motor with 251/257 .623/.623 115+6 and ran a 10.96 @ 122 1.67 60'. Went from 2x.060 jets to 2x.073 jets and ran 10.80 @ 125 1.59 60'.
I put the smaller cam in this past weekend hopefully get to try it out Friday.
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Old Oct 23, 2013 | 09:30 AM
  #35  
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good luck dropping deeper into the 10's.
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