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Should I try and find another 2 1/4 petrol or try a 200 tdi conversion?

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mcmoonter:
I recently bought a petrol series 3 109 as a project. It had good and bad points. A new chassis, reconditioned bulkhead, genuine new boxed panels to make up the rear tub, and what was described as an MOD reconditioned engine with under 5000 miles. It was a 24V FFR truck cab

I failed to check the engine when I bought it. The seller stated that it ran well when parked up some 18 years before hand. I had little need to doubt him when I collected it.

When I got home, I found it had seized. I poured diesel and ATF through the spark plugs hoping it would free up.

Today I took the head off to find number two cylinder was really cruddy. The valves still moved in the guides, but the valves looked rusty. The corrosion at the top of the bore was a bigger concern. Using a drill mounted wire brush, it has gouged out a large chunk of the top of the bore into what must be really close to the water jacket. With the head off, it still proved impossible to turn from the crank pulley nut.

I doubt if I’ll get any goodwill from the seller by way of compensation, he’s got my cash.

So, I’m at a crossroads. Series petrol engines used to be easily found and not much cost. So that would have been my preferred route. With the changes in petrol, it’s set me to thinking, would I be better off thing to find and fit a 200tdi. I have a lead on an engine, and am wondering how difficult the conversion is. I’m mindful always of costs. What would be your chosen route given my circumstances?
.
Thanks in advance, Peter

chrislightweight:
Depending on what your using it for I'd stuck with a 2 1/4 petrol

Unless you have the whole car to get all the small bits you need a tdi conversion is neither quick or cheap

2 1/4 petrol engines can still be had and your engine will have some value

Also I'd keep it original too ,plenty tdi engined series out there now 

mcmoonter:
That’s sound advice, the simplicity of the 2 1/4 is what appealed. I’ve been down the conversion tunnel before and  the costs mount up too quickly. I’d like to try and keep it as original as possible

Alan Mc:
I used to run a 2 1/4 petrol  and was good.  My subsequent motor however had a 2.5 petrol, which doesn’t sound like much of a step up, but an improvement. 

I’d go 2.5 petrol as 1st choice, 2 1/4 second. 

Alan.

chrislightweight:
If you can get a 2.5 petrol that would be great ,you could use the existing wiring and I assume the rad too

So it would be easy to swap back to 2 1/4 at a later date

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