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steves86ta

  • Karma: +41/-0
1970 Weiman Cyclone Twin Turbo Jet Boat
« on: February 05, 2020, 12:34:35 PM »
1970 Weimans Cyclone for sale. I built this boat over thre last few years and we have decided to get into other hobbies. It is a very powerful boat and a lot of fun to drive. The paint is about 3 years old, it has some marks from usage but overall in very good condition. The interior is in decent condition again some markings from usage. The boat is a 3/4 Stringer boat (common for weiman/rogers boats).

The current setup and tune for the engine is about 11 PSI of boost and very conservative timing. It spins a BC impeller about 6500 RPM and has a lot left in it. This is very conservative and can be turned up quite a bit. This tune puts it around 700 hp. I have taken it out twice with this combo and it has ran great. At this boost and timing thats in it i am comfortable running it on 91 octane. But would recommend better fuel if turning it up any higher.

If you have any questions please reach out to me. Asking price is 15,000 OBO. Willing to lake test for serious buyers on their dime. Will deduct fuel and launch fees from the purchase price if purchased.

Engine Specs:
Twin Turbo LS engine
Aluminum 5.3 Block
Eagle forged crank
Summit Pro LS Pistons (9.75:1)
Summit Pro LS Connecting Rods with ARP 2000 Rod Bolts
Summit Pro LS Stage 2 Turbo Cam (226/230 .600/.575 113+4 lsa)
Trick Flow Gen X 205 CNC heads with Titanium Retainers and Head Studs
Trunion Bronze Bushing kit
Micropolished rocker arms
Trickflow Hardened pushrods
Melling High Pressure Standard Volume oil pump
JPerformance Billet roller Timing set
Edelbrock Victor JR single Plane intake
CSU Custom 775 Blowthrough Carburetor
MSD 6014 Ignition box
Twin Rev 9 72/68 T4 Turbos
Twin 38mm waste gates
Single 50mm Blow Off Valve
Water to Air intercooler
Manual Boost Controller

Fuel System Specs
-10an bottom feeds from the fuel cells
-8an return lines
individually valved
Magnafuel 500 MP-4450 ProStar fuel Pump with Filter
Aeromotive 13202 Bypass Regulator (boost Referenced)
CSU Custom 775CFM 4150 based Holley Blow Through Carburetor

Jet Drive Specs
Berkeley JC Suction Housing
Stock Berkeley intake (just reset by B1 Racing last winter)
B1 Racing Chromoly Loader
Dominator Hardened input shaft
Dominator Bronze BC impeller cut by B1 racing
Billet inducer
American Turbine Full Double Drilled Droop
Adjustable Wedges
Hydraulic new style place diverter
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1980 Bahner 21' Mini Day
1968 Rogers project

steves86ta

  • Karma: +41/-0
Re: 1970 Weiman Cyclone Twin Turbo Jet Boat
« Reply #1 on: February 09, 2020, 07:55:44 PM »
Bump price drop to 12k.


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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman Cyclone Twin Turbo Jet Boat
« Reply #2 on: February 17, 2020, 07:00:47 PM »
Sale pending


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LCB

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Re: 1970 Weiman Cyclone Twin Turbo Jet Boat
« Reply #3 on: May 21, 2020, 04:45:53 PM »
did you sale it?
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