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Author Topic: Engine rebuilding  (Read 1718 times)
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Mike8v
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« on: 12 January, 2008, 10:47:49 PM »

Im not quite sure how to word this but ill try my best as I dont really understand it myself.

I am now at the point where we can strart to rebuild my engine, My bro in law who is the mechanic has asked me to find out, if there are any problem areas/ things to look out for when putting the engine back together. To be honest I dont know what he's on about because I thought it would of been pretty straight forward (reverse of how it was taken apart).  But as he has never built a lancia engine before he just wants to know if theres anything perticular he should know about.  We'v got all the parts and gaskets so in theory it should just be bolted back together but hey Im not the Master Mechanic  (being sarcastic) LOL. 

Any help would be much appreciated.

Oh and its a 2.0 8v engine.

One last thing and that is what is the best way to run in an engine after its been rebuilt.  One of my mates recons that I should just flaw it as soon as its done to gat maximum perfomance out of it but I think that this way would probably be a bad thing. (sometimes he can be a bit of an idiot).  My other friend says that I should take it easy for the first 500 miles then change the oil then every thing should be fine.  This seems the more sensable way to me but if any of you guys have had any experince with this matter then I would really apperciate it

Many thanks

MIKE
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HPEHF
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« Reply #1 on: 15 January, 2008, 01:38:05 PM »

Mike,

How long do you want the engine to last before you need to carry out major work.

I would suggest that you do 1000 mile keeping below 3000 rpm and then on 500mile increasing the revs limit by 1000. Also try to vary the revs and don't labour the engine.

Did this on my new delta HPE HF in 97 and have had no problems with the engine and its now on 90,000 miles

Regards

Simon Davis
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Scarpia
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« Reply #2 on: 15 January, 2008, 04:58:47 PM »

1) always allow the engine to warm up properly before engaging warp drive however old it is.

2 it's not a bad idea when starting the first time to turn it over with leads disconnected to fully circulate the oil before firing it up.

3) I agree with hpehf comments below with particular emphasis on not letting the engine labour (high gear low revs).Strain is more dangerous than revs in my view.

thinking practically, a piston already moves up and down the bore at mind numbing speeds even at low revs, and I don't think  polishing these parts a bit faster makes so much difference.But a high load from labouring the engine will impact bearings throughout and is potentially more troublesome till everything settles in . Very difficult to substantiate these gut feelings and everybody knows the exception stories of flogging the thing from day one.It's your bank account you play with then of course....
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inthedark
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« Reply #3 on: 15 January, 2008, 06:14:27 PM »

and:

4) get a 16v instead
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Scarpia
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« Reply #4 on: 15 January, 2008, 06:27:16 PM »

whats a few valves between friends.....
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SteveGales
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« Reply #5 on: 15 January, 2008, 08:44:40 PM »

Hi Mike

I presume you haven't got a workshop manual, if not it would certainly be worth getting one.
It covers all Delta 4wd variants, from the HF4WD to the Evo. Its about two and a half inches thick!
Plenty of info on the engine including step by step photos of dismantling and re-assembly.

I obtained mine from Omicron but presume it would be available from other specialists, you could also
try Mercian Manuals(01676 533304) who reprint workshop manuals.

The only thing I thought of to be careful with was tensioning the cam belt (I would replace all belts AND bearings).
As usual there is a Lancia special tool (weight) for setting the tension although an experienced mechanic could
probably do it by "feel".

With regards to running in, I'm with Simon and also would definately change the oil after a few hundred miles. Don't
forget to let the car tickover for a few minutes after each journey before switching off the engine this helps avoid heat soak
from the turbo.

Regards Steve
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