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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    Upadte on this - issue appears to be resolved! Afer replacing the fuel pick up and all the fuel pipes the issue persisted - so after some more reasearch decided the issue could be vapour locking of the last section of the fuel delivery lines caused by a combiantion of heat build up and an...
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    So now i need 2 of the (american) screw in to10mm push on fittings.... and a suggestion for a new fuel pick up...... and replacement fuel sender.... is there an emoji for crying on here?
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    So we've changed tack on this issue for the time being - the engineers, althought too busy to come and actually look at the boat, sent a text insisting its a fuel issie. so i checked all the fuel lines and the pump off the boat - all good. the issue seems to be the fuel pick up from the tank...
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    Mine had a 'Spitfire' system on the old (pre vortec) engine.... the engineers said they needed to change to the distributor system as spitfire was obselete and wouldn't work with the vortec?
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    Thanks - How would I go about measuring the primary and secondry resistance at the coil as you have suggested?
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    @Lou C "Next, some will have a problem with low voltage in the igntion circuit and gauge wiring circuits. You can test this by pulling out the ignition switch and checking voltages at the various terminals. At the B terminal there should be battery voltage (red wire) any time the battery switch...
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    Evening all - thanks for your info so far... Spent all day on it today without sucess - but these are the things I learned: The spitfire ignition system has been replaced by something very similair to this https://repowermarine.com/index.php/delco-est-marine-ignition-system-for-4-3l-v6.html...
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    Thanks for the replies so far - No the 'engineers' did not diagnose the issue but we have this morning - its a very very weak spark after the choke turns off....
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    but the new engine code is transferable to a mercruiser...
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    Originally it was an OMC - but the replacement engine is a converted road engine from USA. As far as I can tell only the leg remains OMC - the rest is new.....
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    restoration of 1991 VIP and engine upgrade inc conversion from spitfire ignition

    Hello guys, I'm really hoping someone can help as after 2 years and circa £20k GPB I have a boat that looks great but won't run! It's a 1991 VIP with a 4.3 engine. When I bought the boat I was told the engine had been hydralocked and so wouldn't run. After several failed attempts to free up...
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