I am not sure about the port sizes but the 1500 came with a big valve head,
probably had larger ports to go with the valves.
> From: fpspitfire@insightbb.com
> Reply-To: fpspitfire@insightbb.com
> Date: Tue, 30 Nov 2004 00:44:21 +0000
> To: fot@Autox.Team.Net
> Subject: intake port diameters
>
> One other question regarding 1500 stuff.
>
> With the larger diameter intake manifold ports...was there a head that had
> larger diameter ports...as from the factory? The LP rules don't allow
> porting/polishing/combustion chamber work...they only allow port matching.
>
> aaron
>
> --
> All the best
> Aaron Johnson
> #38 FP Spitfire Mk4 Southern
> Illinois Region SCCA
> http://www.geocities.com/spitracer9
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