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left same cam but retarded it from 108.5 to 111cl was planing on spraying only change's were headgaskets went from 0.39 to 0.51 and took off 1.60 exhaust went to 1.80 do to the fact lobe lift was only .450 and 18 degree heads were killer up to 850 on the lift,well before this it used to go up on converter to 4,700 now its stays at 3,300 cant see 50psi less alone on compression would do that but cant call it. 039's it was @175 051 it's @150 kinda thinking cam didnt like to be retarded from 108.5c.l to 111c.lwhen lsa is 112 maybe start there and add the old head gaskets on.can some of you guy's chime in please...i was told that 175 i could of still slammed it with 1 system that 175 isnt shit?
 

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It's all about the combo.. On a N/A no spray motor, compression and a tight squash band are your friend.
IMO, if I had a good running combo with good internals and was only going to shot 175 I would have left well enough along and put the spray to it.
 
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