I think pushing a bus past 105 because someone's in a hurry is bad Karma.
It's like whipping a running team of four while foam is covering their
chests and bowing back in your face. Nothing good can come of it.

Nathaniel

On 1/24/07 1:28 PM, "Burdett, Jean-Pierre" <jp.burdett@SPOTWAVE.COM> wrote:

>
> Along similar lines...regarding the temp -
>
> I've been hesitant to drive mine faster than 105Kmh (65mph) ...but my
> wife asks me if we could go a little faster! Hmmmm
>
> Yes.. back to the Bus - Therfore...If everything is running cool, say
> 300-350 then would it be OK to cruise at 110kmh (68mph)?  - assuming
> road is basically flat. What about 115 kmh?(70mph) Or would I be
> shortening the life span seriously / risk of over reving etc?
>
> Does it all depend of the HP the engine is making and how well it's
> running? I have oil cooler on it
>
> Thanks for your help gang
>
>
>
>
>
>
>
>
> JP Burdett | Product Marketing Manager
> Spotwave Wireless Inc.
>
> Tel: 613.591.1662 Ext.297 | Fax: 613.591.8107  | Mobile: 613.294.8942
> 1 Hines Road. Suite 204 Ottawa ON. CANADA | K2K 3C7
> jp.burdett@spotwave.com  |  www.spotwave.com
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of Greg Potts
> Sent: Wednesday, January 24, 2007 2:47 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Meltdown temp?
>
> Hi Nathan,
>
> I'd say that extended running above 450 is to be avoided. Get off the
> gas ASAP and it'll drop back to 450 or less and you'll be OK.
>
> Running past 550 is going to reduce the life of the engine.
>
> The valve seats often don't drop at high temp... they drop when the
> engine cools down and the seats shrink. When my bus dropped the valve on
> the way to JBB it ran fine all the way from Scarborough to Fort Erie,
> but when I restarted it after our breakfast stop at the Duty Free I knew
> immediately that the seat was FUBAR. I had not passed 425 at any time
> that day.
>
> There are lots of variations on this theme. As they say: Your Milage May
> Vary.
>
> Happy Trails,
>
> Greg Potts
> 1973/74/77/79 Westfakia "Bob The Tomato
> www.pottsfamily.ca
>
>
>
>
> On 24-Jan-07, at 2:07 PM, Nathaniel Poole wrote:
>
>> With all the issues of popping valve seats on the AC engines, does
>> anyone have an idea what is the redline temperature when this is
>> likely to occur?
>>
>> Nathaniel