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[Doctordiesel77]

It is fairly easy to get a few more bhp out of them by adding an intercooler, then increasing fuelling and boost. They were rated at 81bhp, but have a fairly decent torque curve, so are not as peaky as some other high speed diesel engines (high speed by comparison with older Perkins that is...)...

[Doctordiesel77]

Low mileage like that doesn't seem to have any ill effects on the turbo diesels..the non turbo's are the ones that seem to dislike not being used much..

[Doctordiesel77]

Yes, they were the only numbers for the two part one, but if you can't find them keep an eye out for any of the other numbers, the single piece one will fit and might be easier to find......

[Doctordiesel77]

Excellent! it is nice when it turns out to be the easier to find bits......

[Doctordiesel77]

there are a few different numbers, the earlier numbers were listed as nla and all replaced by GSD432 which implies that they are all interchangeable, the earlier numbers are. DRC6506, EEP5, GSD499. So may be useful if you find a nos one. Just to add to the confusion, the last ones (which might include...

[Doctordiesel77]

just realised I didn't mention the difference between the 300 and prima pumps, the Prima has an external cold start hydraulic advance valve on the side of the pump...I'm guessing you've already noticed this though!

[Doctordiesel77]

That is a rare beast! Re 700 van parts, I have some bits, but the good news is that everything apart from the tyres is identical to the 500van, strange but true. I spent ages looking for 700 springs then Daniel Pyke told me why I couldn't find any ...
good luck
John

[Doctordiesel77]

There's only one true guru on here Jeff, just not keen on diesels so I hear ha ha ha!
There are two slightly different pumps depending on whether it has two stage or single stage injectors... They are both Bosch VE, so not too hard to get rebuild kits for them, as far as I remember this https...

[Doctordiesel77]

Useful information, may be worth sharing it on the 'part number comparisons' section? https://maestro.org.uk/forums/forum/...er-comparisons. The list of vehicles on your link makes it easy to find the parts on ebay too.

[Doctordiesel77]

Looks like a job well done! I think there is 'how to' for the o rings on here somewhere, only likely problem I can think of is the three bolts/screws holding the stepper motor on. They can be pigs to get out, well worth dousing them in penetrating oil (a quality one like 'arrow super slaks') over as...