RE: UR-q blue smoke.

[Eaton Dave <dave.eaton@minedu.govt.nz>]

your symptons are consistent with warn guides and seals.  given the
nature of the problem, it is unlikely to be bore wear-related.

imho more likely head cracking around the valve seats...

dave
'95 rs2
'90 ur-q

> Date: Mon, 7 Sep 1998 16:49:05 +0100
> From: ggthack@swansea.ac.uk (Graham Thackrah)
> 
> The problem is only on overrunning; a brief puff on very hard up
changes
> (c. 6500 revs) and when decelerating from high revs (such as lifting
off the
> gas on the motorway or going down hills off the gas). I'd like a good
idea
> of the likely source of the problem before I go ahead and take the
head off
> again or remove the engine to have a rebore.
[snip]
> 
> Thanks in advance.
> 
> Graham.