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ABF Turbo or 20VT?

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ABF Turbo or 20VT?

Which will be better, turbo ABF or 20VT. Better = power x flexibility x reliability / cost.
'82 Mk1 GTI 1600 UGY74X
(Mars Red, mostly…)

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20VT.

More support and parts available now for this conversion Qpeng.com is for sale | HugeDomains springs to mind .

Cheers………

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the 20vt was designed to be turbo so reliability is better the abf is an amazing motor when turbo,d but you will loose the reliability cos things will break if not built correctly

i have a 20vt and its great fun but im going to start building an abf turbo soon

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bens_cab said

 im going to start building an abf turbo soon


What will be cheapest option Ben ? ABF or 20VT ?

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loads of cheap turbo bits on us ebay. i wouldn't say 16v turbo is less reliable than 20v turbo. mostly down to wether things are done properly or not. i'd hazard cost implications are not too far from each other. that obviously depends on how you go about it.

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20vt is the cheapest option with the 16vt you will need to get lots of bits custom made like the manifolds :wink:

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bens_cab said

i have a 20vt and its great fun but im going to start building an abf turbo soon

And the reason for abf turbo is bigger power than the 20vt can manage? Cos I doubt it will be for better fuel economy… :wink:
'82 Mk1 GTI 1600 UGY74X
(Mars Red, mostly…)

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StInky said

bens_cab said

i have a 20vt and its great fun but im going to start building an abf turbo soon

And the reason for abf turbo is bigger power than the 20vt can manage? Cos I doubt it will be for better fuel economy… :wink:

Ironically, the 20V head doesn't flow as well as the 16V head. This is the main reason why its possible to make more power.
                                

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paul_c Posted: Wed Dec 19, 2007 5:13 am    Post subject:  

  StInky wrote:
bens_cab wrote:
i have a 20vt and its great fun but im going to start building an abf turbo soon


And the reason for abf turbo is bigger power than the 20vt can manage? Cos I doubt it will be for better fuel economy…  


Ironically, the 20V head doesn't flow as well as the 16V head. This is the main reason why its possible to make more power.
 

but couldnt this be overcome with headwork? :dontknow:
i always have the last laugh ;)

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no. with headwork on an abf the 20v with headwork would be quite down on flow.

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I find it hard to believe that vw went to all the trouble of designing a new head that is worse than something they already had. although saying that i suppose emissions were the prime aim.

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Re: ABF Turbo or 20VT?

StInky said

Which will be better, turbo ABF or 20VT. Better = power x flexibility x reliability / cost.

what power are you aiming for? :)
83 Mk1 racer
83 Mk1 Atlas Grey
83 mk1 SIlver

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300bhp.












to start with….
'82 Mk1 GTI 1600 UGY74X
(Mars Red, mostly…)
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