In a message to ALL about Alpine article has answer, Frank Marrone
wrote:
FM> The article mentions that as one of the
FM>"refinements" on later cars (Series IV, I think) the engines were
FM>fitted with a cast iron exhaust manifold. This implies (IMO) that
FM>earlier cars had "headers" (tubular steel if you like) instead.
FM>This seems consistant with what has been rumored by various parts
FM>suppliers and with the two early cars I have owned (both had
FM>"headers"). Can anybody confirm this or have any comments?
Rootes used a fabricated sheet metal tubular exhaust manifold on the
Series III roadster as well as the earlier Series. The Series III GT
used a less powerful Rapier engine with a cast iron manifold. They
switched to a new cast iron manifold with the same flow characteristics
as the tubular header for all of the Series IV and V. The cast iron was
much quieter.
- joe -
11/30/94 internet> joe.fitzpatrick(at)compudata.com
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Internet: joe.fitzpatrick(at)compudata.com (Joe Fitzpatrick)
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