The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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PostPosted: Sun Apr 27, 2014 9:06 am 
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Three hours!!!

Is that a +10 rebore by honing then? :lol:


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PostPosted: Sun Apr 27, 2014 9:33 pm 
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Wow, what good timing this is!

I have this very day bought a running sprint engine to rebuild with a view to building a track car: I haven't got anything else yet...just an engine!

So, I'll be keeping an eye on this build for sure!

How are you getting on with this now, still progressing?


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PostPosted: Mon Apr 28, 2014 2:42 pm 
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That needs a rebore. You wont ever remove those marks by honing alone, you will be wasting your time and wearing out your hone trying..
Matt.


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PostPosted: Mon Apr 28, 2014 3:17 pm 
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I assume then that honing doesn't remove as much material as a re bore then?

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Was searching for my first Sprint UUW 410M to get back and restore....but after some excellent work by Detective Matt of the Vivas, it has indeed been traced to Llandudno where it appears to be waiting to undergo a full restoration and hopefully a happy life!


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PostPosted: Mon Apr 28, 2014 3:23 pm 
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For me that needs a re-bore or maybe just a liner in the damaged one if the rest are good..

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Russ Cooper
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PostPosted: Mon Apr 28, 2014 6:02 pm 
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I assume then that honing doesn't remove as much material as a re bore then?
The Honing tool is really just for deglazing the bores so that new rings can bed in properly. I usually only spend about 10-15 mins. deglazing (per cylinder).

Thanks for the feedback guys. You're probably right about getting it rebored/resleeved but I'm in no hurry so I may just wear out my honing tool trying. I'd better check the bore diameter as well. It's probably eliptical by now. :lol:

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Sprintless for the first time in 35+ years. :boggle2:

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PostPosted: Tue Apr 29, 2014 8:39 am 
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The Honing tool is really just for deglazing the bores so that new rings can bed in properly. I usually only spend about 10-15 mins. deglazing (per cylinder).
Ah I see! Only ever built new engines so reconditioning techniques are all a bit of a mystery to me at the moment!

_________________
Was searching for my first Sprint UUW 410M to get back and restore....but after some excellent work by Detective Matt of the Vivas, it has indeed been traced to Llandudno where it appears to be waiting to undergo a full restoration and hopefully a happy life!


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