Offshoreonly.com - 540 Hyd Roller Cam ???

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

- General Q & A (https://www.offshoreonly.com/forums/general-q-20/)

- - 540 Hyd Roller Cam ??? (https://www.offshoreonly.com/forums/general-q/380676-540-hyd-roller-cam.html)

Joeyboost

10-17-2023 10:40 AM

Im running this Isky Cam in my NA 509, my risers mix the water at the tip right before it exits through the transom and no reverison issues. Not a stump puller but makes decent power and sounds terrific.

Racing Cam
Hyd. Roller
Valve Lift Int/Ext. 0.553/0.578
Valve Lash Hot Int/Ext. 0.000
ADV Duration Int/Ext. 275/284
0.050 Duration Int/Ext. 228/238
Lobe Center 112

Sonic30ss

10-24-2023 10:55 AM

Quote:

Originally Posted by Tartilla (Post 4882795)

Sonic, Confirming that is NA?

Really nice HP/Tq curve. 540s vs 454s and blowers. For me, not yet sure what my max usable twin HP is yet...but if I'm at the 550-600 hp line...then NA 540s seem the better route. Alum heads and no blowers = -300lbs.

Yes- N/A with Bill Mitchell marine single plane intakes, 1'' super sucker and Quick fuel marine 850's

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