Description
1986 Silverton 37 Convertible — Extensively Refit & Fresh High-Performance Repower
1986 Silverton 37 Convertible | 37' LOA | 14' Beam | Fresh Twin ZZ502 Repower
This is not your average 1986 Silverton 37 Convertible. This vessel has undergone an extensive professional refit and mechanical upgrade, highlighted by a fresh custom-built twin ZZ502 high-performance engine package with only approximately 10 hours since completion.
The engines were professionally built and dyno-tested by Tyler Crockett Marine, featuring Dart Pro-1 Marine heads, Daytona Sensors CD-1 electronic ignitions, custom-built Holley Quick Fuel carburetors, custom-ground camshafts designed specifically for maximum cruiser torque, roller rockers and roller cams. Each engine produces approximately 425 HP and 570 ft-lbs of torque, with a reported cruising speed of approximately 25–30 MPH.
The repower included numerous additional upgrades, with brand-new top-quality components throughout the engine systems. The original heat exchangers were upgraded from 4" to 6" units, along with Centek fiberglass mufflers, updated Crusader components, and new supporting equipment. Spare belts, impellers, fuel filters and Racor water/fuel separators are included.
Mechanical & Electrical
Twin custom-built ZZ502 High-Performance Marine engines
Approximately 10 hours since repower
425 HP / 570 ft-lbs torque per engine
Dyno break-in, 9 tuning sessions and extensive water testing
Dart Pro-1 Marine heads
Daytona Sensors electronic CD-1 ignitions
Custom Holley Quick Fuel carburetors
Custom-ground cruiser camshafts
Roller rockers and roller cams
Upgraded 6" heat exchangers
Centek fiberglass mufflers
Custom stainless-steel 1¾" prop shafts
New stuffing boxes and cutlass bearings
Computer-tuned and balanced propellers
New magnesium anodes
Previously rebuilt stringers
Bilge acid washed and repainted during repower
Kohler 5E generator with approximately 550 hours, recently serviced with new impeller, spark plugs and oil change.
The boat has also received a comprehensive electrical refit, including a custom Blue Sea Systems AC/DC panel, battery isolator and three-bank battery charger. Battery configuration includes three house batteries, two engine batteries and one generator battery.
The vessel was rewired to meet current ABYC/USCG standards and features Fireboy two-station bilge sniffers with automatic blowers.
Multiple shore-power configurations are available, including 30A and 50A service, with a 50A splitter arrangement and generator capability. Cruisair air conditioning and heat keep the interior comfortable in all seasons.
Hull, Bottom & Exterior
The hull and exterior have received extensive attention as well. The bottom was taken down to bare surface, treated with four barrier coats of epoxy, and finished with VC17M bottom paint.
Additional exterior upgrades include:
Hull professionally polished using a 5-step process
Teak stripped and revarnished
Lewmar windlass
New windlass gypsy, clutch and stripper
Stainless-steel CQR 35 lb. anchor
Stainless swivel
30' stainless 5/16" chain
250' of 5/8" 8-plait braided rode
Spare FX-23 Fortress aluminum anchor
Additional stainless swivel
30' galvanized 5/16" chain
300' of 5/8" braided line in anchor bag
High-volume preventative bilge/crash pump
Bennett trim tabs
Upgraded Flybridge
The flybridge has been significantly upgraded with a custom Bimini featuring 1" stainless-steel tubing, Stamoid canvas and Stratoglass windows, along with suspension-style helm seating.
Electronics and entertainment include:
Garmin chartplotter/fishfinder
VHF with new antenna
LED navigation lighting
750W inverter for AC accessories
Two 12V charging ports
Five-speaker surround sound system
Powered subwoofer
Interior
Inside, the vessel has been extensively refit for comfortable cruising and extended stays aboard.
The interior features a custom 8" dual-coil spring mattress, custom soft goods, stainless-steel mini blinds, and oak cabinetry that has been stripped and revarnished.
The galley has been upgraded with:
New textured slate Formica countertops
Stainless-steel appliances
Pull-out sink sprayer
Convection oven/microwave
Ceramic glass-top stove
Added silverware drawer
Large 13 cu. ft. refrigerator/freezer
The cabin sole features teak and holly flooring, carpeting and Sunbrella runners.
Additional interior amenities include:
Stereo system with powered subwoofer
HD television
DVD player
AC lighting with dimmers
LED 12V lighting throughout
LED spotlights in forward V-berth
VacuFlush toilet with new seals, seat and Joker valve
Macerator pump and Y-valve
Larger holding tank
Fire/carbon monoxide detector
Dinghy & Tender Package
Included with the sale is an 11' Caribe RIB dinghy powered by a 15 HP Yamaha outboard.
The tender features large trim tabs, gets on plane easily and reportedly reaches approximately 30 MPH. It is carried on a Weaver davit system mounted to the swim platform, complete with Weaver Leaver engine stand and stand-offs for secure travel.
The Yamaha recently received a carburetor rebuild and new impeller.
Additional Equipment
Included with the vessel:
Six 50' 30A shore-power cords
50A splitter
Three sets of ¾" braided New England Rope dock lines in 25' and 35' lengths
Spare engine maintenance parts and filters
Complete dinghy/davit package
A Classic Silverton With a Serious Modern Refit
If you're looking for a classic 37' convertible with the room and character of a vintage cruiser but the performance and extensive upgrades of a modernized vessel, this Silverton deserves a close look.
The combination of the fresh custom ZZ502 repower, extensive electrical and mechanical upgrades, upgraded bridge, professionally refinished exterior, refit interior, generator, air conditioning/heat and included Caribe RIB package makes this a unique opportunity.
Professionally maintained, extensively upgraded and ready for her next owner.
Specifications
Overview
- Asking Price
- $69,900
- Year
- 1986
- Make
- Silverton
- Model
- 37 Convertible
- Condition
- Used
- Type
- Flybridge, Freshwater Fishing, Motor Yachts
- Hull Material
- Fiberglass
- Location
- Saint Clair Shores, MIApproximate area
Dimensions & Weight
- LOA
- 37 ft (11.3 m)
- Beam
- 14 ft (4.27 m)
- Draft
- 3 ft (0.91 m)
- Bridge Clearance
- 13 ft (3.96 m)
- Dry Weight
- 21,000 lb (9,525 kg)
Performance
- Cruising Speed
- 27 kn
- Max Speed
- 37 kn
- Range
- 217 nm
Engines & Propulsion
- Number of Engines
- 2
- Total Power
- 850 hp
- Total Hours
- 20 hrs
- Fuel Type
- Unleaded
- Drive Type
- Direct
- Engine 1
- Tyler Crockett ZZ-502 · 425 hp · 10 hrs · 2025 · Inboard · Direct
- Engine 2
- Tyler Crockett ZZ-502 · 425 hp · 10 hrs · 2025 · Inboard
Tankage
- Fuel
- 350 gal (1,325 L) · 1 tank
- Fresh Water
- 70 gal (265 L) · 1 tank
- Holding
- 50 gal (189 L) · 1 tank
Accommodations
- Cabins
- 1
- Heads
- 1
Full Details
Additional Units Included
- Caribe 11'
Photos (32)
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The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.






























