Turbobike Web Site www.Turborick.com
Dave,
You're right on,...checked it same way,....I'm going to try a
check-valve in the feed line,.. will probably have to experiment with
spring pressure in the valve,....I'll keep everyone posted on results.
Jeff Churchill
J.C. Performance 617-06 Bicycle Path Port Jefferson Station NY
11776 USA
tech: 516-928-6679 or 516-928-9863
website: http://www.jcperformance.com/
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On Wed, 21 Apr 1999 11:16:24 -0400 Dave Morrill
<david.p.morrill@fairchildsemi.com> writes:
>Jeff,
> I have a T-2 setup with the same problem. I am returning my oil
>via a
>pump to the timing chain cover. You should return your oil above the
>oil
>pan or add a check valve to eliminate this problem (any hydraulic shop
>for
>20 bucks).
>
> However, I found that my problem is that I am getting my oil
>supply
>from the mail oil galley on my F3 (the feed is above the turbo), and
>when
>I shut the bike off, oil is siphoning into the turbo from there in
>two
>ways. 1. The bike still has oil pressure until 10 secs or so after
>you
>shut it off, no big deal, just run the oil pump until oil press = 0.
>2.
>The weight of the oil up high in the engine is pushing it down into
>the
>turbo or its created a siphon effect, it leaks overnight and fills
>the
>turbo. I have confirmed this by unhooking the pump and feed and
>measuring
>how much leaks out overnight, it is absolutely the feed and not the
>pump
>
> I have not found a good solution yet, but if oil sits in the turbo
>for
>a while it does leak into the exhaust, so it's a big problem.
>
> Any suggestions?
>
>-Dave.
>
>
>
>Jeff Churchill wrote:
>
>> Christer,
>> Re: your answer to George K. about the oil line
>placement,.....I
>> think you answered my question/problem. I have a T-2 on a Buell
>> mounted under the motor,...oil is filling up the turbo when it
>> sits,....tho I have an electric extraction pump pulling oil
>out,....and
>> I run the pump for a few moments after engine shut-off. I didn't
>think
>> a one-way valve was necessary,.....can't see how oil makes it
>through
>> the pump after shut-off,...but it does. What do you use for a
>one-way
>> valve ???
>>
>> Jeff Churchill
>>
>> J.C. Performance 617-06 Bicycle Path Port Jefferson Station
>NY
>> 11776 USA
>> tech: 516-928-6679 or 516-928-9863
>> website: http://www.jcperformance.com/
>>
>
>