Iâ??d be tempted to use it, cast iron is so prone to cracking, especially in
thin sections. I doubt the crack would have any effect once the sleeves are in
place. One thing you donâ??t want to do is attempt some repair. Even with all
the torturous work required to weld cast iron repairs gnerally create more
cracks than they fix. Bridging the center main bearing cap is a relatively
simple and useful modification. More necessary for high RPM engines and steel
cranks, but given the bearng cap material itâ??s a reasonable caution for any
TR motor.
> On May 27, 2026, at 1:05â?¯PM, Brian Ray <brianray@sonic.net> wrote:
>
> Good afternoon, FOT,
> I have this crack in the bridge between cylinders 2 and 3. Is this something
> I would have to consider replacing the block for? I am building this to a
> fast road specification. With that said, should I also bridge or strap the
> center main bearing cap? Any guidance is appreciated.
> Thank you,
> Brian Ray
> <image0.jpeg><image1.jpeg>
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