At 08:05 PM 11/26/97 +0000, Paul Hunt wrote:
>Trevor Boicey wrote:
>>
>> Tyson Sherman wrote:
>> >
>> > Ulix Goettsch wrote:
>> >
>> > > There is a point above which one shouldn't rev, and that is when the
>> > > valves loose contact with the cam. This is referred to as valve ______
>> >
>> > <SNIP>
>> > "crash speed" is what you're looking for. Atleast that's what
>> > the Bentley manual calls it for a B. It's 6200rpm in that
>> > car where redline starts at 6000.
>>
>> I think he wants "valve float".
>>
>> They float above the cam, and can cause damage if they hit
>> the piston. Usually though you lose so much power from float
>> that you don't go much past it.
>>
>> --
>> Trevor Boicey
>> Ottawa, Canada
>> tboicey@brit.ca
>> http://www.brit.ca/~tboicey/
>
>... or valve bounce in the UK. I used to work across the road from a
>'garage', and their standard method of diagnosis, tuning and repair
>seemed to be to rev the engine up to valve bounce and hold it there for
>several seconds at a time.
>
>PaulH.
>
Sounds somewhat like an Italian tuneup! Only it was a Brit tuneup.
Ray
|