[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [New Search]

Re: [T3] keith, don't look...


I had a feeling... and with cam longevity problems these days.... but since
the FI doesnt like lumpy cams would
I be correct to say that the ratio rockers would also cause the same kind of
problems that a high lift cam would with the stock FI??

Keith

> >
> > Say it aint so!!
>
> > > vw made 1.25s are about 60 bucks these days... and they will probably
> > > take your 60hp and move it to 67-68hp and have no effect on longevity
>
> There IS a downside. There's never a free lunch. You're taking the same
> mass and moving it farther in the same amount of time. The forces have to
> increase, which means the wear has to increase.
>
> My guess would be that to first order, it makes no difference whether you
get
> your extra valve lift from a high lift cam or from ratio rockers. If the
lift and
> duration end up the same, the forces, and the wear, will be the same.
>
> If you look at it just a little more closely, you see that this wear will
get
> spread over a slightly greater area with the high lift cam, so that avenue
will
> probably have greater reliability.
>
> -
> *******************************
> Jim Adney, jadney@vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
> ------------------------------------------------
> To unsubscribe, E-mail to: <type3-off@vwtype3.org>
> For more help, see http://vwtype3.org/list/
>



------------------------------------------------
To unsubscribe, E-mail to: <type3-off@vwtype3.org>
For more help, see http://vwtype3.org/list/

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [New Search]