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A And A+ Compatability?


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#1 bikenutmart

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Posted 16 February 2016 - 01:38 PM

Ive got an A+ 1275 metro engine/gearbox complete, but the bores and pistons are worn, ive been offered a non A+ block and pistons and rods( 1380cc) in excellent condition by another forum member for a very fair price, my question is can this be used in my A+ metro engine, I would have A and A+ rods but only an A+ crank, and obviously a complete A+ gearbox, and what parts would I need to obtain for this combination to work? Cheers Mart.



#2 nicklouse

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Posted 16 February 2016 - 01:42 PM

it will all work.

just the only thing you will need is the dizzy for the block.

#3 Cooperman

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Posted 16 February 2016 - 05:18 PM

Don't pay much for a 1380. If it is worn it would be expensive to fix as it would be either a scrap block or sleevin.
A 1380 is worth A LOT less than a 1275, 1293, or 1310.

#4 bikenutmart

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Posted 16 February 2016 - 05:55 PM

Cheers Nick and Cooperman, sound advice, so just need a non A+ dizzy, any recommendations it will have a minispares evo cam (001) and hif 44 with a maniflow cooper freeflow and single box RC 40. Would a performance dizzy be worth while? Mart.



#5 skoughi

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Posted 16 February 2016 - 06:02 PM

I'm going to get my second hand but in good condition 45 dizzy altered to suit my kent 266 cam and compression ratio. Been quoted about £50 + vat to get it done, might be worth thinking about?


Edited by skoughi, 17 February 2016 - 10:25 PM.


#6 bikenutmart

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Posted 16 February 2016 - 06:21 PM

Yeah!! Thanks for that. Mart.



#7 Spider

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Posted 16 February 2016 - 06:33 PM

Ive got an A+ 1275 metro engine/gearbox complete, but the bores and pistons are worn, ive been offered a non A+ block and pistons and rods( 1380cc) in excellent condition by another forum member for a very fair price, my question is can this be used in my A+ metro engine, I would have A and A+ rods but only an A+ crank, and obviously a complete A+ gearbox, and what parts would I need to obtain for this combination to work? Cheers Mart.

 

The very early 1275 blocks (and I'm going back to the 60's here) did use a slightly different crank that had a different width Centre Main Bearing (I seem to recall these early ones were wider), there's only 0.030" difference. There are different Thickness Thrusts available to allow a swap from one to the other.



#8 bikenutmart

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Posted 17 February 2016 - 10:24 AM

Thanks everyone for all the replies. Mart.



#9 dyshipfakta

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Posted 17 February 2016 - 01:58 PM

Don't pay much for a 1380. If it is worn it would be expensive to fix as it would be either a scrap block or sleevin.
A 1380 is worth A LOT less than a 1275, 1293, or 1310.


Have to say I am inclined to agree can't think of many good reasons to dismantle an engine of 1380cc other then it being goosed.




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