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650 HP naturally aspirated build ideas

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Old 01-12-2019, 12:33 PM
  #21
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I have a set ( 16 ) new OE dog bone lifters if your staying stock
01064 LC 51
ACD# HL122
GM# 17120061
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Old 01-12-2019, 01:24 PM
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Originally Posted by Control Freak 32 View Post
I can run Ethanol at 93 if I set it up that way, is 10.5 with 93 octane OK
I am 10.5 and run 93, gonna drop that a tad probably with cosmetics as when I pulled heads off to refresh last week I see a gasket pushing, I think 9.5-10.0 is highest I would go.
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Old 04-15-2019, 09:15 AM
  #23
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A little update here and a special shout out to Mild Thunder (Joe) and Crude intentions (Mike)

short blocks are done and on the stands in the garage
14qt, Canton Pans
World products intake




Just got flow numbers from Machine shop so we can now order cam and valve train these are EQ 320 heads with a little work
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Robbins Flow Numbers.pdf (108.6 KB, 36 views)
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Old 04-15-2019, 01:42 PM
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Can’t wait to see it come together Mark
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Old 04-16-2019, 05:14 PM
  #25
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540's, Merlin lll blocks AFR 325 cnc heads, Marine kinetics cams, 1.7 rockers, 9.8 compression, Merlin intakes, Nickerson 4150 Carbs flow is 1080, HVH 2 inch super sucker, Daytona Sensors ignitions, motors made 681 and 676 on the dyno.
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Old 04-16-2019, 09:01 PM
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My 509's with the 741 hyd roller cam. JE 10 to 1 pistons, Dart ported heads, bore knotched cylinders, Deep oil pan with windage tray, Dart intake port matched to the heads and every other trick I could do ran on mid grade all day long. OH the block was decked true to the crank for -0- deck height. ( tight quench )
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Old 04-16-2019, 11:47 PM
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Originally Posted by Tinkerer View Post
My 509's with the 741 hyd roller cam. JE 10 to 1 pistons, Dart ported heads, bore knotched cylinders, Deep oil pan with windage tray, Dart intake port matched to the heads and every other trick I could do ran on mid grade all day long. OH the block was decked true to the crank for -0- deck height. ( tight quench )
Did you dyno that bad boy?
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Old 04-17-2019, 08:48 PM
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A similar engine with less tweeks done produced 625 HP on the Dyno. the other engine wasn't zero decked, valve notched or port matched. There were a couple of other things but I forget the details.
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