I personally like to go with the original recommendation from the manual -
4 star (****) which in Canadian terms is 91 octane. I find I get no pinking
and it starts, runs and accelerates better.
My 2¢ worth
Cheers,
*** Philip ***
1975 Spitfire 1500 - (otherwise known as 'CJ')
--------------------------------------
> From: "Mark Campbell" <spitfire@shelby.net>
> Reply-To: "Mark Campbell" <spitfire@shelby.net>
> Date: Thu, 3 Aug 2000 20:00:30 -0400
> To: "Spitfire list" <spitfires@autox.team.net>
> Subject: Octane?
>
>
> I'm very close to finally getting my 72 Spitfire on the road (inspection and
> front-end alignment this Saturday).
> Now, what grade of gas would you recommend running in a 1500cc (sorta)
> engine?
>
> 1492cc (+0.020)
> Kent Fast road cam
> Crane ignition
> Dual DCOEs
> Ported/polished head
> "Pacesetter" headers
> High-energy coil
> and soon, Monza exhaust (I know it's loud, but I already have it, and stock
> has had it.)
>
> You know, the standard stuff... :)
>
> Mark Campbell
> 1972 Triumph Spitfire Mk IV (...years in the making...)
>
|