Back in the mid '70's I had a Mark III 1296 rebuilt. After he had torn down
the engine, the rebuilder asked me if it ran before I brought it in. I said
yes, it ran fairly well, Blew a little oil, but since I had the rest of the
car torn apart I thought I'd just do the engine. He then handed me one of
the old pistons. On the side, there was a big gouge about the size of a
dime and a section of the some of the rings was missing! We bored it out a
little and rebuilt it with oversized pistons. Ran great. Makes me wonder
what my current Spit pistons look like?
Terrence N. Banbury
1967 SPITFIRE MK III
1988 Honda Accord lX
1998 Ford Expedition EB
2000 Ford Mustang GT
1973 Honda CB350G
> ----------
> From: Flinthoof Ponypal[SMTP:Flinters@picarefy.com]
> Reply To: Flinthoof Ponypal
> Sent: Monday, April 24, 2000 11:29 PM
> To: spitfires@autox.team.net
> Subject: 1147 Pistons
>
>
>
>
> Well that was a fun weekend. Got the garage all cleaned up, the workbench
> rebuilt, got the 1147 onto an engine stand (after pulling the rear plate)
> and even dug into the engine. It was running previous to its removal from
> the car but was smoking so badly the military wanted it for doing smoke
> screens during wartime.
>
> I'm amazed that it held together. My experience in engines are Chevy
> V-8's
> and the 2300 L4 OHC Vega engine. This thing is down right *tiny*. And
> none of the bolts were on tight at all. Even the cylinder head nuts on
> the
> studs. Four required a breaker bar and they were only on at 60 lbs.
> Everything else needed only a standard socket wrench and very little
> effort.
>
> No compression to speak of in the engine when I started digging in. Found
> out that #3 and #4 suffered piston damage and the top edge on both had
> large missing chunks providing you with a nice view of the rings. Strange
> that there was no damage to the cylinder walls though. No marring, no
> scoring, nothing. They look great. Actually other than being greasy, the
> entire engine is in good condition. I was worried about boring it out and
> going full tilt on it, but it looks like this will be an easier job than
> anticipated. Have to replace all four pistons and do the standard
> rings/bearings job, but it looks like this engine will work.
>
> Piston set prices seem to be all over the board between suppliers.
> Suggestions for whom to work with and whom to avoid for internal engine
> components?
>
> -Vegaman Dan
> -66/69 Spitui!
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