Just a quick question .Do Toyota in line with other makes share common engine blocks. I was just wondering about removing a 3S-FE and fitting a Diesel and wondering if all parts will fit to the new block. If so what car has the Diesel engine I would need.
Thanks In advance Ken
Don't expect to be able to add diesel parts to a petrol block, as the block is usually very different. You need a complete diesel engine and anciliaries. Differences include pistons, head, MUCH stronger starter motor, probably crankshaft and bearing sizes are bigger. The core block casting may be the same, but the details will be the killer. Then there's the exhaust system, fuel system, engine management ... the list is endless.
A gas to diesel conversion could be done, but its not a job for the inexperienced or technically challenged. Add financially challenged too. You'd be far better off to buy a diesel vehicle. How about a VW?
Stewart DIBBS
Yes I knows its a different engine. I was just thinking of changing one over and was wondering if things like the engine mountings and pipes to components like water pump and if the gearbox will fit the block on a fitted diesel replacement engine
Regards Ken
I suspect the gearing of the transmission would be different as well, considering the different torque curves of the diesel versus a gasoline engine. Would the fuel system (pump/filter/lines) have to be modified? I believe the exhaust would also have to be changed, at least the cat. It sounds like it would be easier to buy a factory diesel car.
The only way this would be practical is if you start with two identical model and body-style cars - one a factory Diesel car and the other gasoline and it really doesn't matter what condition the gasoline engine is in.
The perfect trick would be if you have a gasoline car with a great body and blown engine, and you buy a Diesel car with a great engine and transmission and a wrecked or totally rust-rotten body.
Strip them both down, and swap over *all* the mechanical parts that are different. Like the battery tray for the second battery, the pedal perches (if one car was stick and the other automatic) and master cylinders (no vacuum for the booster on a diesel unless they run a vacuum pump) even the wiring harnesses. There are big differences in lots of systems.
But be sure to go talk to your state DMV before you start, because they'll want to see receipts for all the parts from the 'donor car' so they can modify the records in their computers - that, or you'll be fighting every two years when they want to send you for a smog check on your (long gone) gasoline engine.
And there are other legal wrinkles like documenting an odometer mileage change if you swap out the instrument clusters. If you don't document it first, it might get flagged in the computers as an odometer rollback later.
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Even if it could be done effectively, and it can't, how do you expect to recover the cost of your venture? I don't know where you live but diesel fuel is 15C a gallon more in Delaware. ;)
mike hunt
Ken wrote:
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