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engine reuild
http://auszookers.com/forum/viewtopic.php?f=37&t=53418
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Author:  Eric Wurth [ Mon Oct 24, 2016 9:35 am ]
Post subject:  engine reuild

ok could somebody shed some light on this as I cant make heads or tails out of it.

My vehicle plate has the engine as a G13BA, but after pulling the engine for a rebuild the block has cast into the back of it G13B what is the difference ???????

Author:  jdk81 [ Mon Oct 24, 2016 10:17 am ]
Post subject:  Re: engine reuild

As per castings
G13a is 1324cc
G13b is 1298cc
The cranks are different, a g13a crank in a g13b will make compression too high.

As per stampings
G13a is 8 valve
G13b is twin cam gti motor
G13ba is 8 v
G13bb is jimny 16 v

Author:  fordem [ Mon Oct 24, 2016 11:40 am ]
Post subject:  Re: engine reuild

@jdk81 - I beg to differ - I have in my possession a G13B engine which is an SOHC 8V carbureted engine, it is still in the Swift GLX hatch that it left the factory in and I have owned that vehicle from new, so I know it's the original engine - I've worked on a couple more of these GLX hatches, so I know it is not unusual for them to have G13B engines - I also have in my possession a second G13B block which is from a DOHC GTi, but the GTi can also have other engines, for example I've seen at least one G13K - these engine number designations are not "cast in stone".

@Eric - in my experience, all the 1298cc engines will have G13B cast into the block in raised type - check the engine number stamped into the flange - the b, ba, bb, etc. designations originate from the engine number prefix - if it's the original engine, it will correspond to what is on the documentation and it will probably have a G13ba prefix - G13ba-nnnnnnnn

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