supercharging an 8v gti

[Khare]

I read the articles in the mk3 maintenance section bout supercharging an 8v, but there are so may different views on it and so many options that I want to narrow it down. So far I've read G60 block with pistons cranks and other bits, G60 loom and ECU, also read head gasket spacer and MS ECU to lower CR, also skimming the pistons, also G60 block with 10v Audi turbo pistons and  a couple others I don't remember.
Looking at maybe supercharging the 8v in the near future when money is available, the superchargers I've narrowed it down to are the Eaton M45 and the M62. Looked on eBay and the M45 goes for around £200-£300 usually, however I heard the M45 doesn't provide enough boost for the top of the rev range for a 2l engine, is that true?

Looking at keeping the standard pistons, rods and crank and also gearbox, basically chucking a charger on there, lowering the CR with a head gasket spacer or stacking head gaskets and away I go. Can that be done safely if running low boost of 5psi or so? Looking to hit 170hp, but 200 would be lovely 

All input appreciated 

[Wayne]

M62 is the better bet, M45 is more suited to 1.6 and below.

[robz]

will be interested in this too,
im like you, i want the 8v engine to stay and be fairly evil

[Khare]

What do the M62's go for on eBay? Can't find one on there atm.

[axewielder]

look for merc chargers as the m62 is off their kommpressor range, ive looked into this quite abit too+ am planning something similar, may be able to get away with m45 if ure just running low boost, there are boost maps on the eaton site but havnt decoded what they actually mean yet.
i think ppl have done what you say with success but im planning MS managment to get the best outta it+ so i can evolve the management with the engine as i make changes+ i dont have to pay anyone

[Khare]

Well I will be running low boost if I stick with the standard internals, which I will be hence why I recon the M45 is enough. The standard ECU doesn't recognize boost so either G60 ECU and loom or mega squirt.
Danny_p is MS master so I know he will help me 

[Mew]

Danny_p is MS master so I know he will help me 

Know or hope?

[Khare]

Danny_p is MS master so I know he will help me 

Know or hope?

hope, but he owes me a favor  

[Khare]

does anyone know if the standard 8v ECU copes with a charger? or does it need MS or G60 ECU for sure?
I think what I might do is pick up a cheap 8v engine on the bay, strip it and start from there. Refurb all the internals, some ARP bolts for little bit more strength, new seals and gaskets all round, open up the cyl head a tad more, possibly new piston rings and then maybe lightened fly. All in the air at the moment but it does get me excited mind you!
Anyone know what cam is best for running boost? Guessing the 285 cam I have at the moment won't be of any use.

Also, the 020 gearbox on the 8v's, do they cope with power around 200?

[Mew]

I think the g60 cam would be a good start

Go and have a look on clubgti, lots of info

edit: actually, lots of info for 16v, not sure about 8v