Big end and main bearing shells.

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Big end and main bearing shells.

Postby Mike Attew » Thu Oct 10, 2019 1:22 pm

Where is a good place to source Big end and main bearing shells from and possibly cam shaft bearings?
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Re: Big end and main bearing shells.

Postby StefanM » Thu Oct 10, 2019 2:00 pm

ohv engine?
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Re: Big end and main bearing shells.

Postby Mike Attew » Thu Oct 10, 2019 4:25 pm

Yes, sorry it's a 1256.
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Re: Big end and main bearing shells.

Postby 1972nail » Thu Oct 10, 2019 5:11 pm

The early 1256 engine had smaller journals than the later ones. They changed in about 73 to 74 ish I think so you need to know which you are looking for.
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Re: Big end and main bearing shells.

Postby Mike Attew » Thu Oct 10, 2019 6:01 pm

At present the crank , block and head is at my local engine place, he measured the journals and from his book said it was all standard although I don't know the size offhand. I reckon it may be a later engine as it is an ex Chevette unit I think as it had a Chevette gearbox on it. If they can't polish the crank it will have to be ground and we are just looking for source and availability of parts so we know a size to go for if grinding is required. He got Standard for me last year ok for my present engine.
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