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MVVS 2.5D RRV - 8/2/2012 3:38 AM   
fiery


 

Posts: 2283
Score: 100
Joined: 2/2/2002
Last Login: 5/20/2013
From: Hervey Bay Queensland, AUSTRALIA
Status: offline 		Hello Pe

I would be grateful if you could answer some questions about this engine:

1. Will the piston and liner set for recent production MVVS 2.5 diesels fit OK in this engine?

2. Is a factory header available?

3. If so, does the usual pipe for the 2.5 engine will fit up to it, with the supplied silicone coupling tube?

Thanks





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RE: MVVS 2.5D RRV - 10/10/2012 4:44 AM   
fiery


 

Posts: 2283
Score: 100
Joined: 2/2/2002
Last Login: 5/20/2013
From: Hervey Bay Queensland, AUSTRALIA
Status: offline 		I located a piston and liner for a current spec 2.5D. They fit the above engine perfectly.

Porting and timing in the new liner is a little different. I ended up leaving in the old liner. It must not be overly worn as the new piston makes a nice gas seal using it.

The old conrod was unbushed. Both little and big ends were worn. The current spec conrod (supplied fitted to the piston in th enew P&L set) is sturdier, and bronze bushed on the big end.

All fitted up with no issues, except I made a thicker back plate gasket to stop the crank pin binding on the disc valve. Valve clearance is good, no scores on the mating faces.

It's looking good.


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All Forums >> Glow Engines, Gas Engines, Fuel &amp; Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> MVVS Support >> MVVS 2.5D RRV
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