What heads/intake/cam setup for most hp out of a NA 540??
#1
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What heads/intake/cam setup for most hp out of a NA 540??
The engines started as a gen 5 or 6 502 and is now a 540.....what is the best combination to run????? It doesnt bother me to always have to run 93oct
#4
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Dean Gellener and Jim Valako have a pretty sound 540 package. Alum. Dart Pro 1 heads 310's, Dart intake, Holley 950 HP or BG 850, Comp custom grind cam hyd. roller. The power mentioned is with minimal head work however more HP gain with additional head work. Unless your looking to go blown or turbo charged.
#5
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Off the shelf stuff:
Merlin heads
http://teaguecustommarine.com//store...roducts_id=283
Merlin Intake
http://teaguecustommarine.com//store...roducts_id=404
Holley 1050 Dominator
http://teaguecustommarine.com//store...roducts_id=145
Cam
http://teaguecustommarine.com//store...oducts_id=2930
Cam must be determined for gen V or gen Vl
Intake must be determined for 9.8" or 10.2" block deck height
About $4900..............Should make 625-650 HP
Merlin heads
http://teaguecustommarine.com//store...roducts_id=283
Merlin Intake
http://teaguecustommarine.com//store...roducts_id=404
Holley 1050 Dominator
http://teaguecustommarine.com//store...roducts_id=145
Cam
http://teaguecustommarine.com//store...oducts_id=2930
Cam must be determined for gen V or gen Vl
Intake must be determined for 9.8" or 10.2" block deck height
About $4900..............Should make 625-650 HP
#6
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You can start on the lower level with some out of the box heads, intake, solid or hydraulic roller and make 650-700 pretty easy. I have done this many times. If you want to spend more, I have used some custom cnc 320 Profilers, Sniper Jr. intake, Demon 1025 RS carb, Jesel valve train, soild roller, currently working on a hydraulic for this application to knock on the door of 800hp @ 6000-6300. I have done 780 HP with the soild roller. Starting a project with Marine Kinetics, to do the same offered in carb or EFI.
#8
See post #6. You can't go wrong with MER and or Marine Kinetics. Bob Madara/rmbuilder/Marine Kinetics was key when it came to parts for my engine, including of course, the cam. With a mild solid roller it makes just shy of 700 hp and good tq. with out breaking a sweat. It's well mannered around the docks and pushes you back in the seat when the throttle is pushed forward. Best of both worlds.
#9
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On a 540 wouldn't DART325 HEAD be much better than a 310. Dart recommends a 325cc head
#10
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Just switching to AFR315 cnc heads and a different cam will get close to 700 with the rest of your parts. Add a 1050 Holley and a matching Victor manifold and you will be there.