95 Beretta Base I4 and Manual, Make it a Turbo?

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95 Beretta Base I4 and Manual, Make it a Turbo?

Postby GT_Indy » Thu Apr 21, 2016 2:36 pm

I'm interested in taking a Base 2.2L I4 Beretta 1995, with a manual, and making it a Turbo I4.

I know that I'd have to go with a turbo cam, forged bottom end, forged rods, stronger springs.
Bigger injectors, probably 35 lb? and possibly a fuel pump.

I'm thinking 3 Bar MAP, and would be fun to run something like 20-25 PSI boost.

What are your thoughts?
To me it may cost and be expensive, but I think it would be fun.

I'm just not sure about the OBD1.5 ECM. Who would even tune that?


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Re: 95 Beretta Base I4 and Manual, Make it a Turbo?

Postby 3X00-Modified » Fri Apr 22, 2016 8:32 am

I don't believe the 95 2.2L cam with the same ECM's as the 95 3.1L's. You may have a standard removable prom ECM. Might want to check that first.



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Re: 95 Beretta Base I4 and Manual, Make it a Turbo?

Postby GT_Indy » Fri Apr 22, 2016 8:40 pm

3X00-Modified wrote:I don't believe the 95 2.2L cam with the same ECM's as the 95 3.1L's. You may have a standard removable prom ECM. Might want to check that first.


Ok, I'll have to find out.
If it comes with the standard removable prom that would make it easier.


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Re: 95 Beretta Base I4 and Manual, Make it a Turbo?

Postby GT_Indy » Fri Apr 22, 2016 10:46 pm

Okay, after some time, I found some references.

Here is a list of GM ECM's:
http://www.exatorq.com/ludis_obd1/p4xref.html#16191947

From what I could find, the 1995 Beretta with the 4 cylinder and manual used the LN2 2.2L I4 engine.
According to that site, it is the 16191947 GM ECM.

Google image search:
https://www.google.com/search?q=1995+be ... Ma8dHsM%3A

Looks like it is an OBD1 prom style ECM.

I am unable to take the car apart to verify, its a family members car. However This is what I found.

Maybe it can work with Code59? I don't know if they have anything for a 4 cylinder, I'd have to look into it.
If they have something to work with a turbo 2.2 I4, then I will totally look into buying all brand new forged parts and building this engine from the block up.


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Re: 95 Beretta Base I4 and Manual, Make it a Turbo?

Postby Amateur » Sun May 08, 2016 12:57 am

The '95 does use an OBD-1 removable eprom chip. Even with tuning, I'm sure your options are really limited. Best bet if you're already putting money into blueprinting and building the motor is to get a MAF and switch over to a standalone management system. I'm sure it'll give you more flexibility and versatility with the required tuning.

I know chevycavalierworld used to offer obd 1 and 1.5 tuning services for the L4 awhile back but now it looks like they deal exclusively with 97+ OBDII. You can always give them a call to see if they still offer it:

http://www.chevycavalierworld.com/ipp-ecu-tuning.php

Otherwise, another option is to convert your harness and ecu to a gm obdII for the L4 (ala sunfire/cavy).
Turbo 2.2s have been done.

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