I just bought a 86c bread van it used to be a 1.05 (AAU) but it now has a 1.3GT (3F) engine in it but I dunno where the engine number is on the engine for sake of changing it on V5 plus I don't know where am looking to confirm its a 3F engine.

And is there anyway on knowing the year of the engine for sake of emissions testing ?

All the spi inlet and ecu is still on it from the 1.05 all just run the engine on that for its mot then all be putting bike carbs on it ect.

Its been nearly 10 year since I had an 86c with a 3F engine,

pics are of what I just bought in the attachments.

The engine code should be etched in the block just above the top two gearbox/bellhousing mounting bolts

thanks nige

Well its not there ?

could it be some wear else on the engine ?

So someone did buy that car then :)

The engine number should be there. May just need to wire brush the area. The stamps weren't very deep.

So does it have all the GT stuff with it? I was told it was a full GT conversion it just needed wired up.

They aren't etched very deep so are hard to see, a good clean should make it visible like kwijibo said, as for emissions the regulations are the same for the whole mk2F range so I wouldn't worry about the year of the engine

Looks like a decent find and I don't see many white breadvans, be sure to put a build thread up [emoji4] and welcome

Sent from my SM-G925F using Tapatalk

When the surface is nice and clean (scotchbrite is the one) colour the area in with a permanent black marker pen. The resulting black surface will show everything up there is to show - possibly even the machining marks.

I rubbed the area with 400 and there was nothing there at all,

I can't find anything still, Am I in the right place on the block, On the engine theres nothing but on gearbox theres two sets of codes there

The engine number should be on the block literally just above where you can see the codes for the gearbox. 

 just don't see it

 

Is it invisible ?

 

There is quite a lot of corrosion there, like I say they weren't stamped that well so it is likely lost now. 

I wouldn't worry too much anyway, since you are running it on bike carbs it wouldn't be a GT anyway. 

So what do I do then just keep it registered as a 1.05 ?

Speak to the previous owner, see if they have any details as to where the engine came from? If that car still exists and if the logbook still states the engine number for the GT engine. This is why it should be done by whoever does the conversion. Not 'left up to the new owner' as in so many cases.

Other than that I don't know how you can prove that it has a GT engine in it at all. All the head castings are the same so that doesn't prove anything. I believe all the bare blocks are the same apart from the G40. 

So without any proof, then I would be assuming it is still a 1043cc engine in there. Despite what you or the previous owner were told. 

I know its a 1.3GT  just by looking at it in different places,

Camshaft pulley has 72 teeth on it and not the 52 like the rest of the 1.05
Camshaft lobes are taller than 1.05 ones
Pistons slightly stick out the block (only 3F engine does this) 
Did a compression test and there was 10 bar on cylinder 1 and 2.
3 and 4 had leaky valve seats but am sure I fixed this issue now

But yeah am 100% sure its a 3F engine that's in my breadvan 

All the engines had the 2 types of pulleys, just depends when they were built. I've seen 3F engines with both types.

Also lots of people fit the GT cam to 'lesser' engines so that doesn't prove anything either.

On 5/8/2016 at 10:14, kwijibo_coupe said:

All the engines had the 2 types of pulleys, just depends when they were built. I've seen 3F engines with both types.

Also lots of people fit the GT cam to 'lesser' engines so that doesn't prove anything either.

Seems like you know more than me with gt engines then. What would recommend I look at so I know its definitely a gt engine I got ?

I think the engine code is the only way. Not sure if there is a noticeable difference in the pistons or anything compared to a normal 1.3. 

I've never had an AAV and a 3F piston side by side to compare. 

This was my AAV when I had the head off it. Top of the pistons look the same.

 

Gt pistons are AAV are really similar design, just the AAU I think that has different style crowns

Sent from my SM-G925F using Tapatalk

posted in wrong topic sry 

Edited 28 May, 201610 yr by HugePonyFan
Being a derp