Thread: Modified 300tdi v standard td5 power?

Exactly what?
It's not like the 300tdi is a shining example of land rover reliability.
And bringing the puma into a 300tdi vs Td5 debate is moot.
I'd wager a highly tuned Td5 would last longer than a 300tdi with similar power output levels.

Originally Posted by Disco Muppet

Exactly what?
It's not like the 300tdi is a shining example of land rover reliability.
And bringing the puma into a 300tdi vs Td5 debate is moot.
I'd wager a highly tuned Td5 would last longer than a 300tdi with similar power output levels.

Opinions and experience change over time. When I bought my Disco 8 years ago (that made me feel old) the general consensus was that the 300 auto was the pick and that the Td5 was still relatively new and complicated. The 300 was considered pretty much bulletproof. Bear in mind, a good D1 was 12-18k, and D2s were quite a bit more.

Same goes with the autos. They were great at the time, but neither the Tdi or Td5 auto can hold a candle to the current ZF 6 and 8 speeds. They're just way too loose through the torque converter.

As time goes by and the TDV6 becomes more affordable, the Td5 will go the same way as the Tdi. It's just how things progress. The Td5 is already starting to slip in terms of the power and torque norm on the market.

Originally Posted by Disco Muppet

Exactly what?
It's not like the 300tdi is a shining example of land rover reliability.
And bringing the puma into a 300tdi vs Td5 debate is moot.
I'd wager a highly tuned Td5 would last longer than a 300tdi with similar power output levels.

Alright, Muppet, we've all figured out you're a TD5 fanboy, but that doesn't mean 300s are complete crap and TD5s are HEAPS much better, they're just not.

in standard trim, TD5s do make a bit more power and torque, but that's about it. TD5s do have more known problems than 300s, that's just fact.

Modified vs modified is a pointless debate as no two modified vehicles are going to be the same, BUT I will say you will be able to achieve more with the same amount of fuel with computer controlled pump.

I've never denied it.
However, PAT303 made a comment about a Td5 being better until it breaks. I'm pointing out two things:
a) The 300tdi is not without issues. Less little niggly ones than the Td5, but it still has them.
b) Saying a puma does xyz when the debate is about 300tdi vs Td5 is a moot point.
The Td5 has stronger internals, as is pointed out by others in this thread, which means it will be able to reliably perform at a higher level than a 300tdi at the same level, IMHO.
I've never said the 300tdi was complete crap. I just don't like it.
If you're happy with your 300tdi, Good for you. If yours takes you across the Simpson, same thing
I'm confident my Td5 will do the same thing, I just like it more than anything else

If your td5 ****s it you are not going convert it to TDI. If your TDI ****s it your not going to convert it to td5. There's just not enough gain switching either way to warrant the effort.

Whilst there have been many pre tdi motors out there replaced by tdis it seems conversions to td5s have been less popular. It would be good to see more old rovers converting to td5, that would be a great endorsement to the td5s reliability, simplicity and maintenance costs.

Unfortunately the subject of this topic puts a myopic emphasis on power/speed. Both engines have the capacity to disappoint if that's what you are looking for. Td5 is easy to chip and instant/cheap. Tdi will require a lot more work, money to get similar results and risky experimenting to go further.




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Tdi conversions are popular because they're cheap and easy.
Unless you're skilled on the spanners and have the donor car right next to you, Td5 conversions are probably cost prohibitive to most people.
I'd give one a crack, but it would take a lot of prior planning and preparation, and a fairly comprehensive understanding of the Td5 and it's various systems.

Originally Posted by Disco Muppet

Exactly what?
It's not like the 300tdi is a shining example of land rover reliability.
And bringing the puma into a 300tdi vs Td5 debate is moot.
I'd wager a highly tuned Td5 would last longer than a 300tdi with similar power output levels.

I was taking the ****,I like all three. Pat

Originally Posted by Disco Muppet

I've never denied it.
However, PAT303 made a comment about a Td5 being better until it breaks. I'm pointing out two things:
a) The 300tdi is not without issues. Less little niggly ones than the Td5, but it still has them.
b) Saying a puma does xyz when the debate is about 300tdi vs Td5 is a moot point.
The Td5 has stronger internals, as is pointed out by others in this thread, which means it will be able to reliably perform at a higher level than a 300tdi at the same level, IMHO.
I've never said the 300tdi was complete crap. I just don't like it.
If you're happy with your 300tdi, Good for you. If yours takes you across the Simpson, same thing
I'm confident my Td5 will do the same thing, I just like it more than anything else

I should have put a smiley after my post,both engines come alive after a good tune remembering they are factory tuned for pollution tests not performance,both engines are plenty strong enough,how many of either have you seen with broken cranks?,the Tdi got a bad rap for big ends but it's been proven that it only happened within a VIN range,same with the plastic doweled Td5's with the head.How long an engine will last is a load of crap,how many people have owned a vehicle from new and worn the engine out?,stuff all have,how many engines die through lack off proper and correct maintenance?,bloody heaps. Pat