Paul, thanks.

You answered my main question.

Regards,

John Rodgers
88 GL Driver

Paul Guzyk wrote:

> Yes, the heads are the same.  You can make a 1.9 block a 2.1 by
> changing the crankshaft.  (the cylinders are the same, just the
> stroke is longer)
>
> However, your machine shop will have to grind a bit off of the
> connecting rods (then ensure they are balanced) so they don't hit the
> 1.9 case (the 2.1 case has a little more room inside).
>
> You may just want to look for a good used 2.1 case and crank and use
> your pistons, heads etc.
>
>
>> Question:  Can the 1.9L engine be upgraded to an essentially 2.1L engine
>
> simply by changing a few parts......like cylinder barrels, pistons, etc.
>
>