Re: [DML] Volvo Engine Crossreference.
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Re: [DML] Volvo Engine Crossreference.



Volvo newsgroups describe B280 as having "low friction" bearing
refinements. Don't get me to lying -- only know what I read.

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, Martin Gutkowski <martin@xxxx> wrote:
> content22207 wrote:
> 
> > Main bearings are
> >reportedly different. I do believe the main block castings are
> >identical, however (in fact are identical to B27).
> >
> That's actually a contradiction Bill because the journal shells are set 
> into the block.
> 
> FYI the crankpins are different between odd and even fire, but the main 
> journals are all the same.
> 
> The block castings are only different in terms of liner seat diameter 
> otherwise they are all identical (as far as I've seen to date). The B27 
> I assume is the 2664cc engine and has 88mm pistons. There are various 
> capacities set by stroke, but all PRV engines have either 88, 91 or
93mm 
> pistons. Compresion is set by piston crown and conrods are all
identical 
> on even fire, and all identical on odd-fire engines. All PRV conrods
are 
> forged too - bet ya didn't know that :-) There're all sorts of 
> possibilities for hybrid engines. I'm building one at the moment.
> 
> Martin






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