7a crank 2l fits to 3b?

[george21]

Does a crank from 7a 2L fits to 3b block?
I got a damaged crank on no 4 on my 3b engine, con rod doesn't look good as well.
I got a complete 7a engine and wondering can I use crank and con rods from it?
Many thanks for info

[rxl]

crank is the same in 7a 3b aby adu aan..
you ment 2.2 engine ?

[RichLV]

All petrol 5-pots share the same crank - 034105101S.

[george21]

crank is the same in 7a 3b aby adu aan..
you ment 2.2 engine ?

Engine it's 2l not 2.3l
That is what it says on documents! But don't know maybe it is a mistake.

[george21]

All petrol 5-pots share the same crank - 034105101S.

Even from a from 2l engine?
Don't want to strip it if it won't. Fit!
Enigine code ABK

[RichLV]

ABK is a 4-pot. How did you imagine it fitting in a 5-pot?

[george21]

ABK is a 4-pot. How did you imagine it fitting in a 5-pot?

Well 😁 then it's mess up on documents it's states: engine 1984cc abk.....
Then it's 2.3 😅
So crank fits then? What about conrods? Do they. Fit?

[rxl]

It won't fit.

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[RichLV]

What kind of mess? ABK is a 2 liter 4 cylinder. 2.3 liter NG is a 5 cylinder. The 2.3 crank fits.

[george21]

What kind of mess? ABK is a 2 liter 4 cylinder. 2.3 liter NG is a 5 cylinder. The 2.3 crank fits.

Good, thanks!
On the papers it says 2l but actually It is a 2.3 l
What about con rods, are they same on 3b and 7a engine?

[RichLV]

Yes, same rods on 7A & 3B - 027198401C.

[spink]

Good, thanks!
On the papers it says 2l but actually It is a 2.3 l
What about con rods, are they same on 3b and 7a engine?

Is this a non UK car?

There is a 160bhp 2litre 20v almost identical to the 7a but code is NM mainly sold in Italy I believe to get around their ******** tax law

Crank is same apparently (7a definitely same)

Conrods are not(neither are 7a)

[RichLV]

NM crank has a different part number, probably has a different stroke.

spink check the catalogue, same rods for all of them starting from 07.90 - KV, NG, NM, 7A, 3B, ABY. All share the same part number.

[george21]

thanks guys!
it means I have to take 7a apart now to get crank and conrods out.
unless somebody got a crank with conrods and pistons for sale?!
on the top of 3b piston it is written 81.23 I presume that is standard size, or I'm wrong?
so if somebody got a crank with rods and pistons please let me know