Re: [DMCForum] Re: Miracle Cures sought for ailing Volvo 760/B280f

[Martin Gutkowski <martin@xxxxxxxxxxxxxx>]

The snag with interchanging different PRVs is in the trigger for the 
ECU. Renault, Volvo, Peugeot and Citroen (Eagles had Renault lumps) all 
went their different ways and all mated the engines to different 
transmissions - most of which were automatics (at least over here - 
can't see it being much different stateside!) and as the flywheel is an 
integral part of the transmission and also contains the trigger, you're 
basically buggered unless you're swapping a like-for-like engine or can 
rig up a trigger on the crank pulley. A lot of work, and plenty of scope 
for getting it wrong unless you have all the manuals to hand. If, 
however, you find your block has a crack in it, and it's a 3 litre lump, 
you can find yourself a "new" block in another PRV of the same capacity. 
You can interchange the bottom end and retain the top end with you 
LH-jet setup - as long as you can verify the compression, cams and 
valves are the same (so the ECU map is correct). Or you can swap the 
block and liners off your "donor" engine - but do try and keep those 
bastard liners seated when you pull the old pistons out otherwise you'll 
generate 2 days of work just cleaning everything up to re-seat them.

Martin

cartermartin wrote:

> Yeah, you are probably right the goop is not a good idea and akin to
> snake oil.
>
> An eagle engine would be interesting and would physically fit but
> hooking the existing FI (LH Jettronic and ignition) might be
> difficult if at all possible.
>
> I'm either going to have to do the head or bid farewell to the old
> beast.
>
> It just runs soooo good...
>
> Carter

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