1975 2.0, Engine rebuild Options

[DavidSweden]

I am going to rebuild my 2.0 GC engine. The car was originally fitted with the smog stuff removed by PO, also has the original FI

Question;

I want to get more power from the engine without spending a lot of $ and I want to do the work myself.
All suggestions welcome, thanks

[Bob L.]

Swap out the 94mm cylinders and pistons for 96mm. That will give you a 2056mm displacement engine.Then you either re-tune the MPS and keep the D-jet or go with carbs and a cam swap. It's a pretty popular "upgrade". Just check the new P's&C's for run out. Some brands can be hit or miss.

[DavidSweden]

Swap out the 94mm cylinders and pistons for 96mm. That will give you a 2056mm displacement engine.Then you either re-tune the MPS and keep the D-jet or go with carbs and a cam swap. It's a pretty popular "upgrade". Just check the new P's&C's for run out. Some brands can be hit or miss.

Bob,

Sorry but what is MPS and will I be limited by keeping the original D-Jet?

[Bob L.]

Swap out the 94mm cylinders and pistons for 96mm. That will give you a 2056mm displacement engine.Then you either re-tune the MPS and keep the D-jet or go with carbs and a cam swap. It's a pretty popular "upgrade". Just check the new P's&C's for run out. Some brands can be hit or miss.

Bob,

Sorry but what is MPS and will I be limited by keeping the original D-Jet?

The "manifold pressure sensor". It should be mounted just below the stock battery location. About the size of an orange. It will have 1 vacuum hose going to it. It is calibrated for 1.7, 1.8 or 2.0 as needed. Once tuned it should be a fairly stable setup.

I'm no expert but I believe that the carb and cam swap will net you more power but there is also a lot of tuning to be done. Carb's also require more maintenance.

There are lots of members who have done both. They will chime in.