The kit came in record time, all parts present and the moulding blow-bys’ was a minimum except for no1 cylinder in the block, this required quite a lot of fine scraping to allow the piston to fit. Once assembled the electric motor kept failing, the motor would turn then after about two revolutions of the engine the motor drive would stop but the electric motor kept running. Engine strip down twice revealed the problem is internal to the electric motor. Phone call and email to Machine Works and a replacement motel ordered f..o.c. Although now 3 days later it hasn’t arrived. I decided to strip the electric motor to investigate. I found the cogs fitted upside down. Once corrected the motor works perfect. Faults with design. 1. The valves are on the wrong side of the head, or the head machining is wrong because the exhaust manifold fits where the inlet manifold should be. 2. The build instructions are vague in places. 3. The valve timing appears centred on the firing order of 4. 2. 3. 1, and not the correct 1.3.4.2. However, providing this kit is treated as a toy only, it looks, to the untrained eye, to be working properly, then it is acceptable. I have built it just to add to my collection of models and no other reason. The best part is the description of how the ICE engine works. If there was a CE engine in kit form I would probably buy it too. Is it worth £49.99, no I don’t think so due to it not being correct. Hence the 3 stars. Would I buy it again at this price, no. It’s a toy only. Read more

Unfortunately there’s 2 missing pieces.. I don’t know what to do for the price it’s a bit unfortunate!! Read more

With my help (advice), my 13 year old grandson assembled the model in about 2.5 hours. Being transparent, the finished model exposes the workings of the valve gear and simulated sparking plugs as the pistons rise and fall in an in-line 4 cylinder petrol engine. However, there was a drawback with the valve and ignition timing. Although a tool is provided to lock the camshaft and crankshaft in the supposedly correct relative positions before the timing belt is fitted, I had to adjust the rotational position of the camshaft by a few teeth to get the valve timing correct. Then I discovered that the range of adjustment provided for the distributor does not allow the correct ignition timing to be achieved, the timing being too advanced causing the spark plugs to fire before piston top dead centre. I'm still working on a solution! Read more

My son enjoyed building this engine and letting it run. Fun kit for 10 yr old Read more

Acheté pour un project de fin d’année scolaire, à la fin du montage nous avons mis les pilles e le système à brûlé . A fuir Read more