I think the lifts were the same throughout the Mk IV1300/1500 range at
0.24" where as the MkIII was 0.215"
Do the 1300 MkIV have double springs I wonder?
Carter Shore wrote:
> I don't have the 1300 vs 1500 cam specs handy, but I
> suspect the change was due to US emissions control.
>
> Higher operating temps, different cam profiles, lead
> free gas, might have required dual springs to meet the
> 50,000 mile endurance requirements.
>
> Just a Guess
>
> Carter
>
> --- "T. .R. Dafforn" <td214@cam.ac.uk> wrote:
> > But surely the lift on a 1500 is the same as the
> > 1300 engine, so why fit
> > doubles on the 1500?
> > Tim
> Great stuff seeking new owners in Yahoo! Auctions!
> http://auctions.yahoo.com
--
Tim Dafforn
University of Cambridge
Structural Medicine Unit
Cambridge Institute for Medical Research
Hills Rd, Cambridge CB2 2XY.
UK
Tel. (01223) 763230
Fax. (01223) 336827
http://smokeroom.cimr.cam.ac.uk/
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