hi, i have had a engine transplant and would like to know roughly what year my engine is, im thinking its a early one , think its a 205 block.

 

Probably need the engine code to work it out.

 

87 to 89 choice is yours

 

The first two letters of the engine number will tell you the year of the manufacture of the vehicle it came from.
My engine number starts GA which makes it November 1986 which is pretty much the last batch of normal 3 doors I'm led to believe.
See here - http://www.burtonpower.com/tuning-gu...ure-dates.html

 

my engine code starts ybb

 

That's the engine code. The engine number will tell you the year of manufacture.

 

ybb18452 ?

 

that doesn't look like an engine number. That's the number stamped on the front of the block isn't it?
The engine number is on the bottom right hand side of the block just behind the oil filter.

 

that is what is on my log book

 

think i will just call it a 88 engine ha

 

is it in a car? if it's the original engine it'll be the last 7 digits of the chassis number

 

Here's a paragraph that explains what each engine type is and what car they were originally fitted into. Your YBB is a Red Top engine, but exactly what year of manufacture it's difficult to tell unless you know the engine number:

The various colour cam covers that distinguished each version were as follows: Red: YBB (Sierra Cosworth 2wd, both 3-door and Sapphire), YBD (Sierra RS500), YBJ (Sierra Sapphire 4wd, non cat); Green: YBG (catalyst equipped 4x4 Sierra Sapphire Cosworth); Blue: YBT (large-turbo Escort Cosworth); Silver: YBP (small-turbo Escort Cosworth).

Lifted from - https://en.wikipedia.org/wiki/Cosworth#The_YB_series

 

its a escort rs2000 with this engine fitted.

 

ah, so could be any year between 86 & 88 i guess

 

Seen that car on eBay looked a decent enough toy, is it clean enough in person?

 

yeah its clean for the year although not immaculate. good for a 18 year old unrestored car.

 

That must have been registered incorrectly as the engine number, when it was changed.

The engine number is on the turbo side of the engine (seven characters)

Martin

 

Presume the 'YBB' number is some sort of casting number, as above the engine number is underneath the turbo. Here's mine

 

I think I will call it a 88 ! It's just to order parts when they ask year.

 

Just say its a 205 blocked 2wd engine the only thing that differs are the head bolt washer size. All gaskets and internals are all the same.