Author Topic: 8v head on 1.6  (Read 2120 times)

Offline hobbiniho

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Re: 8v head on 1.6
« Reply #10 on: 04 January 2008, 15:47 »
it should be quite noticeable especially if you get the exhaust manifold as well will feel a lot more rev happy and should pull quite a bit better towards the top end 

Offline dubsport

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Re: 8v head on 1.6
« Reply #11 on: 04 January 2008, 15:50 »
sweet, cheers fella  :wink:

Offline rubjonny

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Re: 8v head on 1.6
« Reply #12 on: 04 January 2008, 17:19 »
bolts straight on, and I agree put a full GTI system on while you're there!  I just did that on its own to my 1.6 and it made a real difference.
If you had a 2e2 you would need to drill the head for the coolant chanel (easy) but since you have a webber its not so important.

The main thing to do if you do this and fit a GTI cam is you need to make a new 6degree BTDC mark on your flywheel, the std carby mark is 18degree BTDC and wont make the best of the shiny new cam.

The haynes has the procedure, use the measurements for the 1.8 GTI EV code engine :)
I used a snapped off ruler with some tape wrapped round it down the flywheel timing inspection hole, marked it on wi tipex easy peasy :)
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Offline Jay

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Re: 8v head on 1.6
« Reply #13 on: 04 January 2008, 19:56 »
I used a snapped off ruler with some tape wrapped round it down the flywheel timing inspection hole, marked it on wi tipex easy peasy :)

Can anyone say pikey?   :laugh:

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Offline rubjonny

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Re: 8v head on 1.6
« Reply #14 on: 04 January 2008, 20:00 »
well its up to you, if you prefer to take the gearbox off to do it 'properly' then go right ahead  :grin:
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Offline dubsport

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Re: 8v head on 1.6
« Reply #15 on: 09 January 2008, 14:55 »
bolts straight on, and I agree put a full GTI system on while you're there!  I just did that on its own to my 1.6 and it made a real difference.

So if i put a full gti exhaust system on from the maifold down would i need to put an 8v or 16v on? does it take much modifications to fit the manifold etc?

and how much should i be looking to pay for the full exhaust system (already have a new 8v back box)?


thank you very much for all the help :)

Offline rubjonny

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Re: 8v head on 1.6
« Reply #16 on: 09 January 2008, 15:04 »
If you fit an 8v downpipe you put on the 8v system, if you put on the 16v downpipe you fit the 16v system ;)
You need an 8v manifold though as 8v/16v is different fitment, the 8v & 16v downpipes have the same connection at the top so you can swap em.  The bore is larger on the 16v, 2" bore for 8v, 2.25" for 16v but theres no advantage to a 16v system on a 1.6. 8v will be more than enough and are surprisingly cheap from VAG/GSF :)

Btw 1.8 carbed systems are the same too, apart from the manifold, downpipe & backbox (i.e. the front & rear silencers under the car) if that helps your search.
« Last Edit: 09 January 2008, 15:07 by rubjonny »
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