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Old 30-05-2014, 12:41 PM   #1
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Country: UK
Occupation: Engineering
Boat name: Tennesse
Boat make: Pantera 24
Engines: 454 Mercruiser

Join Date: Dec 2006
Posts: 33
Big block engine builders

Stupidity and sloppy winterizing has resulted in a siezed block which hopefully is not cracked. (water drianed / anti freeze added but I have seen clear water pockets in the block..)

Not sure yet if I will build it or put it out but I will need to dye or sonically crack check it - do you know some good builders who could help?

Im in South West - boat is in North Devon.

Heads are off and so far I see that condensation on No 2 cyclinder has created rust nodules (which can be removed by screwdriver leaving a stain which should hone out) and there seems to be some gasket leak at No 7 cylinder which might be a bit tricky at this is at TDC but it has been soaking in auto fluid for 3 weeks. Also the plate under the intake manifold is covered in rust! Is this normal?
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Old 30-05-2014, 06:28 PM   #2
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I can recommend Mike Bontoft in Poole. 07843 947949 or Michael.bontoft@gmail.com
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Old 30-05-2014, 10:07 PM   #3
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Country: UK
Location: Poole Dorset, UK
Occupation: Company Director
Interests: Boats & Boats
Boat name: Kalaazar & " Side Winder "
Boat make: Fairline Targa 48, Magnum 27 Sport (1971)
Engines: Volvo 73P`s 430hp. Dart/Bontoft 383 ci`s
Cruising area: Poole Bay Etc

Join Date: Apr 2007
Location: Poole Dorset, UK
Posts: 132
Quote:
Originally Posted by Loca View Post
I can recommend Mike Bontoft in Poole. 07843 947949 or Michael.bontoft@gmail.com
Mike has just built me two new Dart 383 based motors, he totally meticulous

about what he does. Not the man if second best is good enough.

Ian Toll
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