----- Original Message -----
From: Douglas Braun <[EMAIL PROTECTED]>
> Cast iron is about 3x heavier than aluminum, so the aluminum model
> must be about 25% thinner than the cast iron ones. I can see why
> the old, thin aluminum bellhousings are considered a bit flimsy
> for hopped-up Spit engines.
I was talking to one of the Triumph works drivers at the Stoneleigh Triumph Show
earlier today. He suggested alloy bellhousings should be sold in pairs - this would
provide a replacement for when they crack around the bottom edge just inbard of the
flange! I've never seen this myself, but I guess the Spitfires he drives are somewhat
more powerful than any I've owned!
Cheers,
Bill.
--
Rarebits4classics
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