We need an accurate measurement of the lobe height and diameter to work
out lobe lift which is then multiplied by 1.5 to get the approx valve
lift. You can then look up the cam specs on those web sites and more
than likely it will have similar performance.
For example the factory B cam that I have is the following:
40.3mm - 33.0mm = 7.3mm * 1.5 = 10.95mm valve lift
Craig.
Tom Richardson wrote:
>
> Howdy
>
> Thanks to Errol and Craig for the replys. The only markings on the cam
> itself are 'I.5' 'CWC' C1' and 'A3' and on the other side there is ' ER 30'
> and 'D1' stamped along the shaft at various intervals in between the lobes,
> and '525B 110� L.C.' engraved on the end. I dont have anything accurate to
> measure the cam (will borrow some verniers tomorrow and try again) but all
> of the lobes are approx 11 mm proud of the shaft. This give any clues?
> Still got no idea about duration though... argh ;)
>
> Thanks again
>
> - Tom
>
> ----- Original Message -----
> From: "Errol Smith" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Thursday, September 14, 2000 9:03 AM
> Subject: Re: A bit of help with a cam
>
> > Tom,
> > the duration sounds wrong, could you check it again,
> > Cheers
> > Feral Errol
> >
> > ----------
> > From: Tom Richardson <[EMAIL PROTECTED]>
> > To: [EMAIL PROTECTED]
> > Subject: A bit of help with a cam
> > Date: Thursday, September 14, 2000 3:00
> >
> > Morning all
> >
> > Was wondering if anybody could translate the specs of this cam for me:
> >
> > 525B 110� L.C.
> >
> > Duration is 110�? Lift I don't know though.
> >
> > What kind of power characteristics would this cam show? Would it be
> > suitable for an internally stock L18 with minor porting & polishing,
> > headers and SU's? (Don't laugh cos I don't know if those factors have
> > anything to do with the suitability of the cam!). I have it here if
> there's
> > a number I missed.
> >
> > Thanks!
> >
> > - Tom
> >
> >
> >
>
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