Another Mk2 2.0 8v conversion question?!?!?

[plasticfantastic]

Hi all,

i have tried searching for as much info as possible on this topic before i asked this, but i still have a few questions for u all.......... sorry if any of it has been mentioned already!?

Im just about to pull the engine out of my 8v GTI (once the rest of my bits get delivered), i have only recently bought the car and aparently the engine was rebuilt 20,000 miles ago, and a piper 276 cam and vernier pulley fitted and the head has been ported and polished. i have just bought a 4-2-1 stainless manifold for it, along with these mods i am considering converting it to 2.0ltr while the engine is out, but what i really want to know is what kind of gains am i likely to expect from the conversion?!

If i do go for the conversion, will any 2ltr block do?! (i saw someone on here mention a short block?!)

all help much apreciated
cheers

[Diamond Hell]

2E or AGG bottom end.

The AGG is better as it has a crank position sensor.  This means you can fit more advanced management at a later date, should you so wish.

You should expect more torque and driveability after the conversion, as it is a longer-stroke motor.  I wouldn't get too excited about the on-paper gains though.

[plasticfantastic]

cheers for your help!

how would i distinguish between a 2E or AGG block?!

are they only available from a Mk3 GTI?!

thanks again

[Diamond Hell]

2E is probably the more common.  It's in Passats, Golfs, Skodas and Seats of a certain age.  The AGG is basically the later version.  I found mine in a 1997 Toledo 2.0i Sport and I suspect you'll find it in a wide variety of VAG group metal.  It'll quite possibly be cheaper out of Skodas and Seats, too.

[nealey]

There is also an ADY engine which you can use, if using the ADY or AGG you will need to use a 2E dizzy to get it to run properly on mk2 management

There is also the bubble block which iirc is coded 3a but im not 100% on this

[danny_p]

bubbel block  is a bit rare and expensive,  it's found in audis    same block hight as the 1.8 so has short rods

[Jay]

This will probably do you
http://www.golfgtiforum.co.uk/index.php?topic=91792.0

[plasticfantastic]

Cheers for all your help! 

much apreciated!

[rubjonny]

is it the AGG code block that has the wrong dizzy for mk2 managment, or is it the other later one?