504 ti motor in 404 wagon

[robere]

Hi All
I am thinking about putting a ti engine into a late 404 wagon
Is there anyone who has installed a 504 ti engine in a 404 wagon who can report any difficulties doing this?
Is there a way to retain the TI air cleaner? Any problems installing the return line or adding another inlet to the fuel tank?
Thanks
rob

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[1pugnut]

Hi rob

I fitted a TI motor in my 404 ute, the motor fitted in easy you won't fit the TI air cleaner in its to big.

I had to fit a surge tank for the fuel because when there was about 1/4 of a tank or less every time I took a long left hand turn it would starve fuel causing the motor to splutter.

In regards to the return line I fitted it next to the fuel sender as it allowed me to fit a brass fitting and use a nut to secure it in place.

Other than a bit of fiddling it is a good convertion and I would recommend it.

[bluey504]

If possible fit a five speed gearbox, BA7/5 or BA10/5. Will give you the best of both worlds...more power and overdrive. Both can be sort from 505 wagons, if you find a surplus BA7/5 just remember who put you on to them. as I'm after on for my '74 504 GL (the trans tunnel is a tighter fit).
Brendan.

[ianrobbo]

Also better to put a 505 wagon diff in for better gearing.

[GRAHAM WALLIS]

Yes, much easier than finding and fitting a 5 speed.
BA10 no good in a 404.
I have a BA7/5 but from a Douvrin if anyone is interested in doing the changes needed to fit behind a push rod motor.

Also better to put a 505 wagon diff in for better gearing.

[julian b]

Why is BA10 no good in a 404 ?

[alpine]

BA 10/5 is difficult in 404 because of speedo drive interfering with rear gearbox mount as well as narrow tunnel.

there is a nice 404 with ba7/5 that has a 505 tunnel fitted

There is a green 404 ute with a Ti , had to move battery from engine bay under the tray and cut down the Ti air cleaner,
still had very loud induction noise at 100k .

a taller diff as GW suggested is necessary , unless you like lots of revs at speed

[GRAHAM WALLIS]

You wouldn't need a higher diff if you fitted the 5 speed, same goes with a higher diff then you wouldn't need the 5 speed.
A bit more than the speedo drive, the back of the box is big and flat so the mount won't fit over it.
Demannu has worked out a way of getting around it but don't know how NVH is affected, the 404s main claim to fame was its low road noise.

BA 10/5 is difficult in 404 because of speedo drive interfering with rear gearbox mount as well as narrow tunnel.

there is a nice 404 with ba7/5 that has a 505 tunnel fitted

There is a green 404 ute with a Ti , had to move battery from engine bay under the tray and cut down the Ti air cleaner,
still had very loud induction noise at 100k .

a taller diff as GW suggested is necessary , unless you like lots of revs at speed

[robere]

Thanks for all the advice. Will a 5 speed from an STI require much modification to fit?
Is there a list of what the different diff ratios are somewwhere- I have a clunky 504 sedan diff in the 404wagon now.
Rob

[GRAHAM WALLIS]

Just get the present diff fixed and leave the 4 speed as is, much nicer box than the 5 speeds anyway.
You would lose the column shift as well, resulting in cutting then sealing a hole in the floor and having to manufacture a floor shift.

Thanks for all the advice. Will a 5 speed from an STI require much modification to fit?
Is there a list of what the different diff ratios are somewwhere- I have a clunky 504 sedan diff in the 404wagon now.
Rob

[1pugnut]

Thanks for all the advice. Will a 5 speed from an STI require much modification to fit?
Is there a list of what the different diff ratios are somewwhere- I have a clunky 504 sedan diff in the 404wagon now.
Rob

It can be done you wil eather have to replace the input shaft with one from a ba7/5 that fits the 2L or have the original one extended

I have seen the original sti input shaft used with a 2 litre but it didn't fit in the spigot bush it just sat in front of it. That not how I would

do it but it did work.

And then you will need the 2 litre bell housing the 504 familale 4 speed box had the right bell housing as well.

But it would be easer to find the right gear box.

Regards jamie.

[pugnut1]

It can be done you wil eather have to replace the input shaft with one from a ba7/5 that fits the 2L or have the original one extended

I have seen the original sti input shaft used with a 2 litre but it didn't fit in the spigot bush it just sat in front of it. That not how I would

do it but it did work.

And then you will need the 2 litre bell housing the 504 familale 4 speed box had the right bell housing as well.

But it would be easer to find the right gear box.

Regards jamie.

Would a BA10/5 bell housing also fit? I would have thought they'd be similar to the BA10/4.

[luthier]

Robere,

I have a TI diff given to me by Robmac, which you can have for postage. I've cleaned it up a bit and Rob says it was good when removed from car. I also have some TI Kugelfischer stuff if you are interested.

[BigH]

Tunnel has to be widened. I used a 505 SR radiator and a 205GTi air cleaner.

[pugnut1]

Hi All
I am thinking about putting a ti engine into a late 404 wagon
Is there anyone who has installed a 504 ti engine in a 404 wagon who can report any difficulties doing this?
Is there a way to retain the TI air cleaner? Any problems installing the return line or adding another inlet to the fuel tank?
Thanks
rob

I seem to recall that 404s were sold with TI motors, though probably only as private imports into Australia. There was one in Hobart some years back (many years back probably). Unfortunately it was rusty and was probably scrapped. From memory, they had "Injection" on the badge, similarly I think early 504 TI's had the same.

[GRAHAM WALLIS]

Yes, 404 injection, 1600 with mechanically (rather than vacuum) controlled injection pump.
TIs only appeared in 1973 or so, before that they were called Injections.

I seem to recall that 404s were sold with TI motors, though probably only as private imports into Australia. There was one in Hobart some years back (many years back probably). Unfortunately it was rusty and was probably scrapped. From memory, they had "Injection" on the badge, similarly I think early 504 TI's had the same.