16ft twin 70mm turbo air to water intercooled ls 5.3 325ci race tunnel i built 4yrs ago. great 100mph+ jetboat that runs the number for real, not this bs classifieds board speeds read often here.this tunnel was built with the intention to run m/e dragboat racing class on low boost and pumpgas but will run with t/e boats on max boost levels and avgas. all the wood in the boat is in great shape i replaced most of it 4yrs ago and transom is new and fresh, the seat covers are less than 6mnths old, fiberglass shells seats, covers match hull and are removeable. boat is carpeted in black, still in good shape. i completely rewired the boat, not a wire on it isnt new(im a gm and john deere mastertech). steering system is like new, throttle cable replaced at same time, no other cables to worry about. berkley jetpump with detailed split bowl, fresh aggressor b-cut, ultimate wearring, bowl has stuffer, wedge, berk droop, race nozzle with 3.06 fine tune nozzle, loader and shoe, pump has less than 30mins run time since i freshened it up a couple mnths back. very efficient pump now that turns 7k at 18lbs of boost. recently refreshened motor is a beefed up lm7 with arp rodbolts, hasting rings gapped for blown race(still no blowby to speak of), comp custom cam/pushrods/double roller timing set, elgin bbc beehives, ls7 lifters, studded heads, melling oilpump, 8qrt pan, gmpp single plane intake, custom qft 750ban blowthru carb i built to be able to externally adjust the boost referenced powervalve using onboard airpressure system, prostar 500 fuel pump, aeromotive 13202 regulator. hat is csu, custom large core air to water intercooler lake water cooled and fed by jetpump. charging system consists of a denso mini 45amp 1wire racing alternator, small 350cca 12lb battery cranks the engine nicely. Twin turbo system is less than a yr old(ran single turbo setup 1st 3yrs) i built it this spring with twin 70mm turbos, twin 60mm gates, 50mm blowoff valve, custom polished stainless turbo system and dump pipes that are rock solid, its all stainless tig argon purge welded. system runs great on pumpgas up to 17lbs of boost and 18-20lbs of boost i run avgas in it. currently has safe tuneup so the new owner shldnt have much trouble. boat shuts down great, my teenagers all have driven it solo over 105mph.very trouble free low maintenance setup tunnelhull that embarrasses most bigblock boats on the water, this is a serious boat. has 8gal fuel cell, i generally burn 10gals a day racing at our local boat meets etc... very cheap boat to run , and runs with nitrous racegas deals easily even on pumpgas tune !! motor is easily making over 1000hp at the crank on the 17lb pumpgas tuneup, and it spools super quik!!! with hardware setup loose ive ran the boat up to 117 on my garmin etrex gps within 900ft, its a fun boat and super cheap to run. boat has 4yr old tach with recall/oil pressure/air fuel ratio/boost gauges on dash. has always been garage kept since ive owned it, and is currently winterized but i can definately let new owner run and hear engine prior to money exchanging hands. i want the buyer to know theyre getting their moneys worth!!!hull is in good shape, has a few stress cracks but nothing abnormal for a race tunnel this lite and none affect structure.
Mantra Silverline
Price:
$12,500
Boat location:
Hugo, Oklahoma, United States
Ships to:
United States
Year:
1978
Make:
Hull Material:
Fiberglass
Trailer:
Included
Engine Type:
Jet Drive
Engine Make:
Chevrolet Engine
Engine Model:
325ci ls 5.3
Primary Fuel Type:
Gas
For Sale By:
Private Seller
Fuel Capacity:
6 - 10 Gallons
Length:
16.0 feet
Raiting:
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