the Official 16v thread

[WABIT]

in stock form a 1.8 16v is a touch faster than an 1.8 8v

mod it to 2.0 and the 16v is a far better engine. esp for track or 1/4miles.

throw lots of money at a 2.0 8v and you will see mid 150bhp
throw little money at a 2.0 16v and you will see 170+ bhp

so why 16v over VR6 or 20v T.

1, a 16v is a cheap upgrade to a mk1 or mk2
2, replacment engines are cheap
3, upgrades are cheap


of course all this is based from back in the uk, its abit hard sourcing 16v engines here.

all of this was exactly why i went 16v

dom

[velly_16v_cab]

and you gone 2.0 havent you dom??? if so well done.

[Preen59]

Screw 2.0.

1.9 all the way!

[Preen59]

Now that we're over that crap..

Exhausts.. Tell me what is the best option.

I've heard that the cast mani with good secondaries works well and i've heard extractors are far better. So please, i'd like to hear some advice.

[ausgolfer]

Screw 2.0.

1.9 all the way!

I hear that and I want that

Now that we're over that crap..

Exhausts.. Tell me what is the best option.

I've heard that the cast mani with good secondaries works well and i've heard extractors are far better. So please, i'd like to hear some advice.

Only experience is that the cast manifold on a KR is pretty decent as far as standard manifolds go. Mustn't have been cheap to produce.

A good set of extractors will gain around 8-10% from just about every golf magazine I've read.

PS was yours a KR to start with Preeny?

[velly_16v_cab]

Ashley 16-valve 4 branch manifold and a something like a 2" or 2.5" diameter bore system

my 16v runs a 4 branch manifold (make unknow) and a little 1.75" dimeter system (for the OME look)

[Preen59]

I hear that and I want that



Only experience is that the cast manifold on a KR is pretty decent as far as standard manifolds go. Mustn't have been cheap to produce.

A good set of extractors will gain around 8-10% from just about every golf magazine I've read.

PS was yours a KR to start with Preeny?

10%? That's well worth it!

Yep KR dude.

[Preen59]

Ashley 16-valve 4 branch manifold and a something like a 2" or 2.5" diameter bore system

my 16v runs a 4 branch manifold (make unknow) and a little 1.75" dimeter system (for the OME look)

What sort of dosh to get one to aus? I was thinking 2.25 or 2.5 inch exhaust.

[velly_16v_cab]

something i will look into.
got a few plans about importing stuff. (16v stuff)

[Preen59]

something i will look into.
got a few plans about importing stuff. (16v stuff)

Who's the man?

YOU'RE THE MAN, Velly.

[evorobin]

cast manifold on a KR is pretty decent as far as standard manifolds go. Mustn't have been cheap to produce.

A good set of extractors will gain around 8-10% from just about every golf magazine I've read.

PS was yours a KR to start with Preeny?

Strange I've heard headers/extractors do jack. I've got a 2.25 exhaust and would happily fork out $$$ for a performance gain!

[Brisben]

Strange I've heard headers/extractors do jack. I've got a 2.25 exhaust and would happily fork out $$$ for a performance gain!

You also need to have a good air delivery to support the new exhaust capabilities.

Exatractors do work, you can feel the difference, but it is not as good if you have a poo intake.

[velly_16v_cab]

Who's the man?

YOU'RE THE MAN, Velly.

easy tiger, not got anything over here yet lol....



4 branch Manifolds (Exatractors) make one hell of a difference!
Esp at the top end where a 16v tends to live most of it life.
My mates 2.0 16v GTI Egnineering jetta had a polished and ported standard cast manifold and he was told that will do him. After alot of playing about he later changed it for Ashley manifold and gained 10BHP @ wheels and broke the 190bhp @ flywheel.
He now fits them to all this 16vs builds (he has since built 2 mk1 16v's)

[Valver.]

You also need to have a good air delivery to support the new exhaust capabilities.

Exatractors do work, you can feel the difference, but it is not as good if you have a poo intake.

Doesn't really make much difference. You can't get much more air into a 16v without changing the intake manifold entirely - and even then it's not worth the effort.

They are crap engine design for an NA motor. They just develop good torque and sound great

[Preen59]

Doesn't really make much difference. You can't get much more air into a 16v without changing the intake manifold entirely - and even then it's not worth the effort.

They are crap engine design for an NA motor. They just develop good torque and sound great

They aren't total crap... Just a long stroke which negates too much peak horsepower.