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1300 block (80mm bore)

Martin Rutter
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10 years 2 months ago #35796 by Martin Rutter

1300 block (80mm bore) was created by Martin Rutter

Does anyone have a 1300 block that has the 80mm bore size? 1st generation 1300 had 86mm bore but some of the 2nd generation 1300 engines had 80mm bore (and some had 86.4). I am only after a 80mm bore block. Condition does not matter.
Any help would be appreciated.
I want to build a 2nd race engine that has more torque so I need the smaller bore size. If I can't find a suitable block, I will just have to put a liner in a 86mm bore block but this is not ideal.

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W. GORDON FOGARTY
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10 years 2 months ago #35797 by W. GORDON FOGARTY

Replied by W. GORDON FOGARTY on topic 1300 block (80mm bore)

Sorry, Can't help with your 1300 block
Here is something to avoid though.
My previous race engine went bang a few years ago at about 7000rpm.
Note hole in block at no.4 and cracked sump
It Was still running on 3 after explosion!

Fiat x1/9 hillclimb car (competition modded)
Fiat X1/9 road car (basically standard)
Alfa Romeo Giulietta Cloverleaf
Porsche 911 (996)

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Martin Rutter
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10 years 2 months ago #35798 by Martin Rutter

Replied by Martin Rutter on topic 1300 block (80mm bore)

The engine we are working on at the moment will be revving to around 10k but with a short stroke, we hope to keep all the shiny metal bits safely in the block without any escaping!

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Rory McClay
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10 years 1 month ago #35920 by Rory McClay

Replied by Rory McClay on topic 1300 block (80mm bore)

I may have one off these how do I identify it ?

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Jeremy
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10 years 1 month ago - 10 years 1 month ago #35921 by Jeremy

Replied by Jeremy on topic 1300 block (80mm bore)

I think the engine number is on the Rear left off the engine at the top of the block. As you look at an x1/9 engine bay. Gearbox end. Its difficult when the engine is fitted.

Measure the bore if you can.

Someone will correct me if I'm wrong. I can't find any images.

Who needs 4th gear anyway...

Last edit: 10 years 1 month ago by Jeremy.

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Martin Rutter
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10 years 1 month ago #35926 by Martin Rutter

Replied by Martin Rutter on topic 1300 block (80mm bore)

Even Fiat main dealers had difficulty in knowing which bore size a particular 1300 engine had. Apparently the dealers were provided with 2 gaskets sets if they had to do a de-coke to cover both options. Therefore, measuring the bore is the only certain way.

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