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Tiara Open Repower an '84 3100 open with V6 or V8 diesels
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SaKiawa Offline
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Vessel Info: 1984 Tiara 3100 Open Twin 5.7 Marinized Vortecs
#1
09-05-2021, 10:26 AM
Has anyone repowered an '84 3100 open with V6 or V8 diesels?  My preference would be the Mercury V8 370hp but if the fitment will not allow, then the Mercury V6 270 TDI is my next choice. I thought about the Hyundai Seasall S270 but the cost is prohibitively high. Any insight welcomed. TIA.
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mggilmorern@gmail.com Offline
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Home Port: Chesapeake Bay, Middle River
Vessel Info: Buying a Tiara 2001 3100
#2
09-08-2021, 06:56 AM
(09-05-2021, 10:26 AM)SaKiawa Wrote: Has anyone repowered an '84 3100 open with V6 or V8 diesels?  My preference would be the Mercury V8 370hp but if the fitment will not allow, then the Mercury V6 270 TDI is my next choice. I thought about the Hyundai Seasall S270 but the cost is prohibitively high. Any insight welcomed. TIA.

Interesting.  Keep us posted on your findings.
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Rhumb Chaser Offline
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Vessel Info: 1983 Tiara 31' Open (2 x Crusader 454)
#3
10-28-2022, 07:33 AM
I have an '83 31' Open with 454 Crusaders, and after research, going with the Yanmar 315 diesels as the repower choice.

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Mikelaw Offline
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Vessel Info: 1995 31 Open 454s
#4
06-11-2023, 06:02 PM
(09-08-2021, 06:56 AM)mggilmorern@gmail.com Wrote:
(09-05-2021, 10:26 AM)SaKiawa Wrote: Has anyone repowered an '84 3100 open with V6 or V8 diesels?  My preference would be the Mercury V8 370hp but if the fitment will not allow, then the Mercury V6 270 TDI is my next choice. I thought about the Hyundai Seasall S270 but the cost is prohibitively high. Any insight welcomed. TIA.

Interesting.  Keep us posted on your findings.

Can you provide any insight to what the Repower cost was and how the new motors are preforming?  Thanks!
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Repower an '84 3100 open with V6 or V8 diesels00