82,mirage,engine swap

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82,mirage,engine swap

Postby mickbeth » Sun Dec 02, 2012 8:02 pm

new member,has anyone changed twin volvo petrol engines for single diesel in amirage,any comments or advice most welcome.mickbeth
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Re: 82,mirage,engine swap

Postby ms » Fri Dec 14, 2012 2:50 pm

I would recommend you talk to marine engineer Lyndon Evans 07795 218704. He has a workshop and compound at Penton Hook and is often at Bray doing work for the many customers he has there.
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Re: 82,mirage,engine swap

Postby seagull2 » Thu Dec 20, 2012 7:28 pm

mickbeth wrote:new member,has anyone changed twin volvo petrol engines for single diesel in amirage,any comments or advice most welcome.mickbeth

I did it! depends what you like...speed or cruising.. I ve put single toyota 4.2d 136 hp speed is 7.5 knots cruising,full 10. spents on 7 knots 7 liters of diesel. dont do it, you also need bow thruster,very bad manouvring.If you want her to plane easily she needs very light engines,such as 4 cyl turbos.135 hp each. In my mirage were previous 2 toyotas 4.2 6 cylinder 136 hp each and 550 kg each,very hard planning and after must burn engines to 3300 rpm because at 17 knots she start digging.full speed was 25 knots .35 litrs of diesel per hour. good solution is single but you need 200+ hp.the best would be volvo Kad kompressor 41,42 or v8 gm,.. speed will be cruising around 22. Engine must be as light as can be. in my city there is one more mirage and he put big 6 cylinder mercruiser 4.2 220 hp and his speed is 17 and burning 30 ltrs diesel.. I have some otions now maybe i will take v8 270 hp then I will tell you what happen
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