All,
Am I the only person that would consider putting a sleeve into that engine?
I recall that it was pricy, but not when compared to the possibility of
buying another car or engine.
Sid Raper
Jacksonville Florida
>From: Fred_Katz@ci.sf.ca.us
>Reply-To: Fred_Katz@ci.sf.ca.us
>To: datsun-roadsters@autox.team.net, "Sochoux; Stephan" <SSochoux@dbc.com>
>Subject: Re[2]: Blown engine
>Date: Tue, 12 Oct 1999 12:16:41 -0700
>
>From what I've heard, if the cylinder is scored badly then you'll
>certainly need to have the cylinders redone, with the possibility of
>needing oversize pistons. Ouch, that is an ugly and expensive prospect.
>Looks like you are better off looking for another block. Definitely look
>for a complete running engine. That's got to be the easiest way to go.
>You might want to give Mike Kerr a call.
>
>Fred
>
>________________________ Reply Separator ___________________________
> >Subject: RE: Blown engine
> >Author: "Sochoux; Stephan" <SSochoux@dbc.com>
> >Date: 10/12/99 10:41 AM
> >
> >Fred,
> >The front of the piston was just blown to pieces, intake port on #3 and
> >rear carb throat are coated with tiny little fragments. Looking down the
> >cylinder, the wall is scored and already completely rusted out. I don't
> >know how to tell if the block can be saved, but it sure looks ugly to me.
> >I'll be saving that piston !
> >I'll have some pics soon.
> >
> >Stephan.
> >
> >> -----Original Message-----
> >> From: Fred_Katz@ci.sf.ca.us [mailto:Fred_Katz@ci.sf.ca.us]
> >> Sent: Tuesday, October 12, 1999 9:54 AM
> >> To: datsun-roadsters@autox.team.net; Sochoux; Stephan
> >> Subject: Re: Blown engine
> >>
> >> Stephan,
> >>
> >> Wow, bad news! The engine isn't necessarily trashed. It just
> >> depends on how much cash you have sitting around! I think you're on
> >> the right track
> >> - get another runner or engine, as your '69 U20 will take a while to
> >> repair. If you tear down the engine, don't throw away the piston as
> >> it'll be something everyone else will want to see.
> >>
> >> When you say vaporized, do you mean "melted" or do you mean
> >> fragmented?
> >> If it's the front of the piston, that's where the intake valve is, so
> >> it's possible that something got pulled in. Maybe one of your rings
> >> broke and took the piston top out. That's the only way I
> >> could see the hex screw head causing problems, if it got squished and
> >> the metal jammed
> >> the rings. When I cleaned up my pistons, I found some metal jammed in
> >> one of the ring landings, so I know it happens. You should
> >> drop the oil
> >> pan, and pop out that piston so you can inspect the condition
> >> of the #3 cylinder. If you didn't get any metal fragments dropping
> >> below the piston, and #3 cylinder isn't damaged, it may be possible
> >> to re-hone the
> >> cylinder and put in a new piston without pulling the engine. But get
> >> second opinions on this, as you will be better off going the whole
> >> distance by a complete teardown. Let me know what you need as
> >> I have the tools.
> >>
> >> Fred
> >>
>
|