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About Supracar1

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    Old Skool Virgin

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  1. Thankyou so much, I will try at the weekend 👍
  2. Oh ok, I'm not really sure what that means. I suppose I should have said before that I'm a total noob with engines. Never worked on one till this summer. Spent ages researching on you tube etc, then did all the work so far my self, but I have so much more to learn hence all my questions. So heres some more lol Why would a blown head gasket stop the engine from starting? Especially if its blown between the cylinders ( and therefore not effecting compression?) How do I check if the head gaskets blown? What do I look for if its blown between the cylinders?
  3. Found a photo of the water outlet if anyone is interested.
  4. I'm in Reading. Boats on the Thames. So if no milky residue in the oil, what are the symptoms? Oil in the water? ( No radiator on a boat so that would mean oil in the exhaust manifold bend where the cooling water exits?)
  5. Oh I havent even considered that. Better check the oil cap for milky residue?
  6. Manual attached. Scroll to sea tiger photo, but some specs are same as sea wolf
  7. Thanks for these replies. I will consider adding the plastic spacer once i get the damn thing started lol. I havent yet checked tappet clearances or compression. That's a bit beyond my skills so I will get a knowledgable friend to help. Compression should be easy from memory, but I dont have the equipment. I have no idea how to check tappets. I assume rocker cover has to come off? Ps : @eeb43 why would this be a low compression engine? I will dig out my manual from when it was marinised to see if that gives the ratio
  8. Thanks for the replies so far. @eeb43What's a phenolic spacer? There is a new filter between tank and carb. It was a diesel filter and I replaced like with like ( photo below). + I only just rebuilt carb. PS : all photos I have uploaded are before I replaced the parts
  9. Advice welcome please. I have a 1600 crossflow installed in an old boat ( a 1979 boat so I assume the engine is from the same year). It's been marinised to use river water for cooling so the exhaust manifold has a water outlet where gases mix with warm water from the engine and both go out the exhaust ( anyway I digress but photos below if your interested) So i bought the boat in the summer when it was warmer and it struggled to start ( not first key turn) but once it started it sounded smooth. Problem was once it warmed up after an hours ride up the river, if you stopped at a lock and turned off the engine the thing wouldn't restart until it cooled down. I had fuel and spark but the bugger just wouldn't start. All the parts were painted red like when the engine was installed in the boat so it doesn't look like anything had been changed since the 70s!!!! So here goes, replaced oil, plugs, points and condenser. It ran better but still had the hot restart fault. So, I replaced coil and ht leads. It ran better again, but still had the hot start fault. Still had fuel and spark but wouldn't restart when hot. I rebuilt the carb with new seal kit but still I had the hot restart problem. Then winter came and it wouldn't start at all even when cold. So I replaced the dizzy cap and rotor arm. Still wont start. I advanced timing - wont start, retarded timing - wont start, went back to original timing and it started but was rough. Ran 5 mins then stalled at idle. Restarted fine and ran fine after that, so i turned off tje engine then guess what......wouldn't restart!!!@@ It seems like a sort of intermittant fault but has got worse in the cold. In summary, I have spark and fuel, 3 x good batteries on split charge system so plenty of cranking power , I've replaced, plugs, points, condenser, coil, ht leads and rebuilt the fomoco carb but it still wont start. ANY IDEAS?????
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