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Old Feb 25, 2021 | 07:46 AM
  #41  
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98hotrodfatboy
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Originally Posted by Max Headflow
You got any proof of this. IMO the 48 would run fine at 9.9.. I'd bet that both do about the same but it will really depend on exhaust choice with the 222 favoring a freer (louder) exhaust. The difference in cranking pressure is only about 4 PSI and 48 has a longer exhaust duration.
You're right, I took for granted the 30* IVC of the 48. It should perform very well at 9.9:1.. They are very similar, the 48 moves the curve a little too the left as compared to the 222...
 
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