First of all, if you have 'killed" two 2.5Td's, how dead are they
I've been looking for a cheap 2.5Td to recon and put in my 109 fo AGES, if you have one that I could salvage.........
Other wise, where to begin
Right, well the 2.5 was based on the 2.25, and in fact the last of th
line five main bearing 2.25's share the same block and head castings
Effectively they should be bolt for bolt interchangeable. I think yo
may need to check the position of the location dowels on th bellhousing to engine mating faces, I think that there's an extra on on the 2.5 block, so basically you may have one empty hole
Other wise it should all be pretty straight forward
Only things that might catch you out are things like the fact that th
2.5Td has a servo shut off that works electrically from the ignitio switch, where the old S3's had a choke cable 'pull to stop' - tha means you may have to put a cable stop in
You'll probably also need to get an early 90 NAD down pipe for th
exhaust to replace the turbo and waste gate, and really that should b about it
Performance wise, well it is going to be a LOT less 'eager'
2.5Td makes about 90bhp
2.5NAD makes about 70bh
2.25d makes about 60bhp
But, early 90's has the 2.25 motor, so it is not a hugely retrograd
step
Expect top speed to be down to about 70mph though, and it to not b
so keen on hills, other wise it should work OK
Last thing though, why are you killing the 2.5Td's
I know that they had some weaknesses, but biggest reason for sel
destruction is user abuse or neglect
If you dont find out what the cause is, in all probability you coul
end up killing whatever replacement you put in there
-- Teflo
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