What engine is this?

VetteGP · Post by **VetteGP** » Wed 01 Mar 2017, 18:32

Hi There,
I wonder if anyone can assist in identifying this 4 cylinder engine.I believe it is a 2.5 l engine.

Markings and numbers on the the block.
GM HECHO EN MEXICO
2770C
EXMEX0148
M05202NZ

Plate on the block
I.C.N. 2805-AA-065-3988
PART NO. 2651501
SERIAL NO. 148
DATE. 6-6-84

Any info will help.

Thank you,

Gareth

hanov0 · Post by **hanov0** » Wed 01 Mar 2017, 22:34

Picture??

VetteGP · Post by **VetteGP** » Thu 02 Mar 2017, 07:35

Hi,
Photos of the engine.
Regards,
Gareth

hanov0 · Post by **hanov0** » Thu 02 Mar 2017, 07:41

Yes, its a 2.5 Chev.
Looks like the high performance with the twin choke webber carb

Johann65 · Post by **Johann65** » Thu 02 Mar 2017, 11:41

hanov0 wrote:Yes, its a 2.5 Chev.
Looks like the high performance with the twin choke webber carb

Hullo Gareth; That block was cast in Mexico and machined in Niew Zeeland! There is also a 6 cyl Blue engine in a Holden Ute that is on the road locally.
I have a head that is from Mexico! They came in from Mexico when Dimbaza Foundries ceased operations! My Graphite Co. used to supply the electrodes to Dimbaza!
Some interesting features on the car! What body type? and are there pics of the body?
Johann

VetteGP · Post by **VetteGP** » Thu 02 Mar 2017, 20:47

Thanks guys.
The engine is in the Manta I bought for parts.
Just wanted to know what I had.
Thanks for the info.
Regards
Gareth

Johann65 · Post by **Johann65** » Thu 02 Mar 2017, 21:10

VetteGP wrote:Thanks guys.
The engine is in the Manta I bought for parts. Just wanted to know what I had.
Thanks for the info. Regards Gareth

Great to know! I looked for some distinguishing marks and even the inlet manifold casting marks is different to mine!

Impossible to destroy those engines!

The engine data is very clear! Casting no ****148 from Mexico Foundry No 3 and then the machining No ****5202 NZ

Is the Manta Local?, I think not!!

I would take that engine and Bling it with some chrome and Blue engine paint! I am nearly complete with my Rekord and will tackle my spare Engine and Gearbox and bring it to Bling status! Have all the parts to be able to start it on a stand!!

Nice little project!

IndianaJones · Post by **IndianaJones** » Thu 02 Mar 2017, 21:53

VetteGP wrote:DATE. 6-6-84

Question.
If the date is the production date, what numbers specifies it as a 2.5L?
And what vehicle was sold in SA, still powered by a Chev 153 model series engine, in 1984, or 1985?

As far as I know, the last of them were the 2.3L's in the Chevair & Rekord, which was out of production by 1984?

Is this a aftermarket replacement block? Or marine block?

Johann65 · Post by **Johann65** » Thu 02 Mar 2017, 22:33

IndianaJones wrote:
VetteGP wrote:DATE. 6-6-84
Question.
If the date is the production date, what numbers specifies it as a 2.5L?
No Numbers except the HO letters and the Inlet Weber conversion.
The 2770 numbers might indicate 2.770 L?
And what vehicle was sold in SA, still powered by a Chev 153 model series engine, in 1984, or 1985?
All your Military vehicles to this day!
None! This engine is not local in any aspect! It is from Nieuw Zeeland. That is why I suspect that Manta is not local!
As far as I know, the last of them were the 2.3L's in the Chevair & Rekord, which was out of production by 1984?
That is correct! My 84 Opel/Chev Record had a 2.0 L Cam in head! The same with the 2.8 L Commodore!
Is this a aftermarket replacement block? Or marine block?

I think not? Some history? Marine engines were mostly 130 CI.

I am trying to think like a GM employee!

Johann65 · Post by **Johann65** » Thu 02 Mar 2017, 22:45

I suspect the Engine was cast on; D 13 82 April the 13th 1982.

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