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Re: (_VWGTi16v_)

The size depends on the RPM you will be running.
twin 45mm carbs with 36mm chokes is all you need on a 2.0 VW engine, since it doesn't make any power above 8000rpm.
 

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Re: (_VWGTi16v_)

Just the carbs and manifold were 995$ from carbs.net, now they upped the price, last time it was listed on their site it was like 1115$ or something, now they just say CALL.
Then you have to buy the top mount linkage (99$), the borg warner style soft mounts (45$), shorter airhorns (120$), random jets and chokes (around 200$), a synchrometer (if you tune it yourself, 60$), the fuel tee (15$), a low presure high volume fuel pump (65$), a fuel pressure regulator (75$ - unless you get the carter pump), some fuel lines (20$), a fuel filter (15$), stuff to modify the radiator routing (if on a scirocco with the long manifold (TWM 0103) - 50$), stuff for the vacuum lines (20$), Ignition related stuff (400$ - blaster coil, 6al box, timing computer), spare spark plugs (you easily foul the first set because jetting will be off - 25$-40$)... and if you choose to have a custom fiberglass air box built, add another 200$. And buy the Des Hammill book (How to build and Power tune Weber and Dellorto DCOE & DHLA Carburetors), it's well worth the money.
It's not a cheap route, and it takes a while to find the right set-up. If it were to do all over again, i'd source a short manifold (TWM 0103s), forget integration of the knock sensor stuff and get an electric vacuum pump for the brake booster (manifold untapped), leave all the MSD stuff and distributor behind and get a TEC-II computer, crank mounted trigger and coil packs.
 
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