Author Topic: Downpipe again (Read 8036 times)

zaprzal · « **on:** December 29, 2005, 02:11:03 am »

I have golf A2 GTD with SB engine (intercooled and 80HP), will 1.9 TD AAZ engine downpipe fit my engine? What diameter it has? Can I fit something else? Do you have any photos?

Maarten · « **Reply #1 on:** December 29, 2005, 02:27:41 am »

The downpipe will fit... but you'll have to adapt your exhaust to the different pipe. I suggest you stick with the 1.6GTD pipe (or go to a larger diameter if you need one)

zaprzal · « **Reply #2 on:** December 29, 2005, 03:10:03 am »

What diameter is 1.9 TD AAZ downpipe? Will 1.9 TDI 1Z (90hp) also fit me?

Maarten · « **Reply #3 on:** December 29, 2005, 03:57:41 am »

Ik don't know the diameter of the original 1.9 DP, I know the 1.6TD pipes are VERY restrictive (45mm internal diameter) so I swapped mine for a custom freeflow 70mm.

The turbo on a TDI is positioned different than a 1.6/1.9TD so that won't fit.

Maarten · « **Reply #4 on:** December 29, 2005, 05:06:51 am »

this is a 1.9 downpipe...

zaprzal · « **Reply #5 on:** December 29, 2005, 05:53:18 am »

Ok, thanks.

Is 1.9 td dp less restrictive than 1.6 dp? Is it worth to swap 1.6 dp for 1.9? Will it fit without any modyfications as I marked on picture? Only cut somewhere where I marked on picture and stick with rest of exhaust? Thanks for help

Maarten · « **Reply #6 on:** December 29, 2005, 06:07:29 am »

it looks less restrictive but I don't know the diameter of the pipe.. could be somewhere between 45 and 55 I think... If you cut it before the flex it could fit with some ghetto-welding

so I suggest a real upgrade

This is my pipe:

on a K24 turbo (behind the pipe on the 2nd photo is the original dp)

zaprzal · « **Reply #7 on:** December 29, 2005, 07:30:48 am »

Last question: flange which I marked on picture is this same in 1.9 and 1.6 dp?

Maarten · « **Reply #8 on:** December 29, 2005, 07:34:54 am »

Yes it will fit.. on all IDI (1.6/1.9TD) turbos the outlets are the same...

andy2 · « **Reply #9 on:** December 29, 2005, 07:39:48 am »

Quote from: "zaprzal"

Ok, thanks. Is 1.9 td dp less restrictive than 1.6 dp? Is it worth to swap 1.6 dp for 1.9? Will it fit without any modyfications as I marked on picture? Only cut somewhere where I marked on picture and stick with rest of exhaust? Thanks for help

That downpipe pictured has a different flange used for the k03 turbo used on 1.9's from 95-97 I think.I have modified that pipe to fit on my 1.6td,the only thing you need to do is relocate the 2 bottom holes and cut the flange a little on the bottom.

If you can get a downpipe from a 93 and I think some 94's it will be a direct bolt on as those years used a k14 turbo which has the same bolt pattern as our 1.6 flange.

Other than that you'll have cut that flange off the exiting end and weld a peice of pipe onto it inorder to get the angle right underneath the car.

zaprzal · « **Reply #10 on:** December 29, 2005, 08:21:01 am »

I've got garrett T2

andy2 · « **Reply #11 on:** December 29, 2005, 10:02:36 am »

I believe that the T2 has the same outlet flange as the K14,K24 and T3.Mabye someone else could confirm this?

935racer · « **Reply #12 on:** December 29, 2005, 11:34:21 am »

I've got a t2 on a 1.9 in the shop right now, just checked, flange is the same as k14, k24, t3 etc

Maarten · « **Reply #13 on:** December 29, 2005, 02:49:47 pm »

Quote

on all IDI (1.6/1.9TD) turbos the outlets are the same...

:wink:

Author Topic: Downpipe again (Read 8036 times)

andy2

andy2

935racer