Re: The answer (Was: Is an Ur-q I5 an interference engine?)

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <000801bed168$23e70820$b756883e@default> "Jim Haseltine" writes:

> When I pulled the head I found that all five of the pistons have hit the
> valves. Each one of the pistons has two crescent-shaped depressions in the
> crown, rather amazing really because each piston appears to have identical
> damage - to the extent that it looks as if each one has been machined.
> Most (if not all) of the valves are bent and in a couple of places there is
> very slight damage to the head. The valves are bent so that they wont seat
> and I figure that I wont be able to compress the springs to strip the head.

Heh.  Want to borrow a Sealey valve spring compressor?

> I reckon the damage to my wallet as:
> Pistons (5) @ GBP80 each
> Exchange head GBP450-500 (what's the going rate for them now?)
> Gaskets, rings, water pump, cambelt, tensioner etc ~GBP200

Yup.  Don't forget to swap the blanking plate and temperature sensors
over from your current head.

> As I've got to replace all those bits I may as well go the whole mile and
> rebuild the bottom end too but I'm not going to try and estimate the costs
> there....

Set of shells GBP105.  Front and back seals about GBP20 each.

Check those timing belts, folks.

--
 Phil Payne
 UK Audi quattro Owners Club
 Phone: 0385 302803   Fax: 0870 0883933