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2 litre scirocco

Posted: Wed May 12, 2010 8:25 am
by dozzum
Apologies if any of this is obvious stuff but I'm in the process of
aquiring the bits to give me a speedy 2 litre gti.

So I just wanna know what I'm gonna need to get/do.

So far I'm thinking

get 2 litre bottom end
bore out 1.8 to 2 litre
plane head
head gasket to match engine code from bottom end

I'm thinking of using a diesel gearbox and then putting some new cams in. But I have no idea what cams to use. I want the car to be usable as a fun fast daily. My budgets not massive atm so I'm not looking at anything ott.

And is there anything else anyone would recommend doing?

Cheers rich

Re: 2 litre scirocco

Posted: Wed May 12, 2010 8:35 am
by Nate
get a mk2 gti golf or a b3 passat with digipants. swap in engine complete with efi and loom. use rocco 'box and flywheel. i've done this conversion, and it gave a very driveable result.

why were you thinking of a diesel box? higher ratios = slower off the mark

Re: 2 litre scirocco

Posted: Wed May 12, 2010 9:35 am
by dozzum
What I was hoping with the diesel gearbox was to make it more usable on the motorway.
I was hoping that with the right cams I could counter the lack of accelleration?
I've heard it's been done before. Anyone on here done it?

Re: 2 litre scirocco

Posted: Wed May 12, 2010 6:42 pm
by Nate
it was quite happy on the motorway without revving the nuts off it. happy enough to nearly get me banned :blush: and if you were nice to it, still returned over 40mpg.

based on my commute to work which is 20 miles, some fun country lanes and some dual carriageway i consistantly got over 40 without particularly trying

Image

i'd guess that for loosing a little engine noise on the motorway you'd also lose much round town driveability

Re: 2 litre scirocco

Posted: Thu May 13, 2010 1:16 pm
by dozzum
Ye that was the problem I was worried about. The other option is a 4+e.

Re: 2 litre scirocco

Posted: Thu May 13, 2010 4:08 pm
by filmidget
If you are considering hotter cams the last thing you want is bigger gaps between gears, or indeed vice versa.

I had a Kent GS2'ed 1800* with a 4+e and it could be a pain keeping it in the right rev range - while it just felt a bit silly slowing down on the motorway and then having to down down to 3rd just to get back up to speed, spirited driving on A/B roads was like driving with a 3 speed 'box... :dash:

* Your 2 litre capacity would improve matters though.

Re: 2 litre scirocco

Posted: Thu May 13, 2010 6:49 pm
by dozzum
Cheers. I'll rule that out then.

Someone else has suggested just changing the difff but wouldn't that give similar problems with the low end round town drivability?

A more extravagant idea is to take the fifth gear from a 4+e and stick it in my close ratio gti gearbox. There's a link to an FAQ on the register pages. But it looks quite complicated to me and u could end up with two trousers gearboxes.

Re: 2 litre scirocco

Posted: Fri May 14, 2010 7:35 am
by Nate
i reckon you ought to give it a try with the rocco box for starters. unless you're getting a complete donor car, it'd save a few quid not buying the box, and i reckon you'd be pleasantly surprised

Re: 2 litre scirocco

Posted: Fri May 14, 2010 10:15 pm
by dozzum
Sounds like a plan.