Hi im thinking of doing some endurance rallying in my mk2 golf only problem is its a 1.6 and the cc limit is 1.4 so I was thinking could I take the 1.6 out and plonk a 1.3 in the 1.3 would be running of the original carb and are the 1.3 and 1.6 gear boxes the same
of course you can do it, just take into account that you'll need to replace the gearbox and the exhaust (at least the downpipe).
The 1.3 is a totally different engine to a 1.6, just take a look under the bonnet of a 1.3, polo, etc and you'll see the difference in the 1.3 X-flow setup. It's more involved than just a straight engine swap. A 2.0 or 16v swap would be simpler
As Mark says, the 1.3 is a small block engine and has different mounts, gearbox and gear linkage to the big block 1.6, so all this would need to be swapped as well..
