I have an 1988 Sea Ray Pachanga 22ft
Dry weight 2800 lb.
SB Chevy 400 +30 over 406 ci
10.0:1 Compression ratio
Index and Complete balanced rotating assy.
100 octain Race Fuel
650 Holly Carb with a QFT quick set vacum secondarys
Elderbrock Hi Rise Dual Plain
Scat Crank FORGED 4340 LIGHTWEIGHT PRO COMP
Scat Rods 4340 FORGED I-BEAM ROD with ARP 3/8" Thru-Bolts
SRP INVERTED DOME Pistions 139625
Dart Eagle Cast Iron Heads 180cc/49cc
Manly 3 Angle Valves, 2.02/1.60
Scorpinon 1.6 roller tip Rockers
Howard Cam FT H230/240-10
Canton Oil Pan 8 quarts
Clayes Gear Drive
Replaced cerulating Pump w/ Cross over
Mercruiser 1.47R w/ hydomotive nose cone.

Not sure of the HP, never dyno it.

Will be replacing Stock Manifolds, Distributor and stering with Lightning Headers and MSD 6M Ing System and full Hydraulic Steering Kit.

It sounds good and It gets to 60 real fast.. was hopping for more like 70- 80 mph..

Ive tryed these props
Quicksilver 48 89804 A5 23P “cleaver” propeller (3) blade, stainless steel = 5900 rpm 64 mph

Spinelli 14.5 X 25 -M “Standerd” propeller (3) blade, stainless steel = 3700 RPM 61 MPH


would really apreate any Help or suggestions.

Call Bret at BBLADES. I have purchased two for my Pachanga, and he has one to be labbed right now.

Well worth the money..

I think you are going to need more power to get into the 70MPH range. I am running a built 496 and currently see 70-72 with a stock 25P Mirage Plus.