405 Two Litre 8v Motor Into A 205

[JR20516V 6]

As above really. Mainly want to know if it fits as the inlet mainfold looks way too big and the engine mounts are very different.

Any tips would be appreciated Peeps.

[welshpug 1,661]

yes a few have done it (same engine as the 8 valve 306 xsi), personally I wouldn't bother, though the management it uses it far better than jetronic.

[Anthony 1,003]

If you search for posts/topics by Atari Boy, you'll find that he's done the swap recently and seems quite happy with the result.

 

The engine code is XU10J2 which might help with searching.

 

Easiest way is to retrofit all the 1.9 8v management, inlet, and dizzy in my opinion.

[JR20516V 6]

Thanks fellas for the quick reply.

Why do you recommend retro fitting those parts back.

On an ease of fitment scale do you think it would be on a par with a MI16 lump....or more troublesome/time consuming?

[DrSarty 90 1 Cars]

On an ease of fitment scale do you think it would be on a par with a MI16 lump....or more troublesome/time consuming?

 

At the risk (i.e. not wishing to) of starting the 8v V 16v debate, I would say even if they're equally 'difficult' to fit, then the 16v engine is going to be far more rewarding. So if I had a choice, I know which one I'd do.

[Tesstuff 222]

At the risk (i.e. not wishing to) of starting the 8v V 16v debate, I would say even if they're equally 'difficult' to fit, then the 16v engine is going to be far more rewarding. So if I had a choice, I know which one I'd do.

 

 

I think a certain cherry red 1.6 might sway your vote Rich

[Miles 331 1 Cars]

You would find in the Uk that a good 1.6 is faster and only about 7bhp down, the 2L 8v's make 123bhp at 5500rpm from memory so compared to a 1.9 is a downgrade, but if your stiuck for a engine it fit's in without too much hassle,

[Anthony 1,003]

Why do you recommend retro fitting those parts back.

Simplicity mainly. The 2.0 inlet and head mounted airbox won't fit under the 205 bonnet AFAIK, and a XU5/XU9 inlet doesn't have the sensors and gubbins for the 2.0 management. It is of course possible to retain the 2.0 management, but you'll need to adapt some bits to do so.

 

On an ease of fitment scale do you think it would be on a par with a MI16 lump....or more troublesome/time consuming?

Significantly easier IMO, particularly if you're using the 1.9 inlet/management/dizzy, when it's not far off a straight swap.

[Atari Boy 11]

I have the XU10J2 in my 205 and I am very happy with it, the only caveat I would add to this statement is that I had an underperforming 1.9 8v in the car before hand, so I ought to be happy with the increased performance. Saying that my car has been driven by folk other than me that know 205’s well and have driven lots of them in all 8 and 16v guises, the car is said to run well by them also, someone even said it was quicker than a standard 1.9, but that is just opinion.

I needed a new engine quickly and as I knew the history of the 2.0 8v engine and it had comparatively low mileage I took a view, no wiring compilations and very few mods.

 

On paper, it is a downgrade, as out of the box it offers 123 bhp compared to the 128 of a 1.9. It is believed that if one looses the cat, matches up the XU9 inlet ports to the head and uses the slightly lumpier cam of a 1.9 it should be *around* the same power as a stock 1.9. It has a baffed sump too unless it a very early engine.

 

I used the following parts from my 1.9 8x:

 

Cam

Rocker cover

Inlet manifold/injectors etc

Loom and management.

 

Yes, it is a cast iron block not alloy but as vouched by anyone who has met me, I have other weight issues to deal with first over a few extra KG in a bottom end.

 

As I said, I am very happy with it and quite like the fact that is a slightly odd ball 8v approach.

I am having the head has flowed at the moment and adding a mild Piper cam so I hope it to become even more fun.

[sub205 5]

i'm also driving this engine in my 205, had a topic about the whole conversion 2 or 3 months ago, including pictures.

 

the engine is, especially with the engine management fitted, really great.

much more torque from lower rpms than the xu9 one.

 

i rebuilt the engine with:

- 282° cam / 12mm lift (dbilas)

- ported and skimmed head

- turbodiesel bearings

- ported xu9-manifold

- xu10 ecu and staff

- custom longer gearbox

[welshpug 1,661]

much more torque from lower rpms

 

not surprised at all when you have;

 

- 282° cam / 12mm lift (dbilas)

- ported and skimmed head

 

 

would expect that from any engine not just an XU10!

[sub205 5]

not surprised at all when you have;

would expect that from any engine not just an XU10!

 

my xu9 engine before had this components also!

[JR20516V 6]

Miles: its actually an upgrade in my case not a downgrade as you suggest. My 205 is a series 1 [105 bhp ] as against 123 bhp in the proposed lump. Not much i know.

 

Anthony: As always great tips and well appreciated....cheers for that.

 

Atari Boy: Baffled sump is a bonus... the lump is from a 1993 series 2 405...the updated dash model. My conversion may be a little differnt to yours as my 205 has Jettronic where as you would have had Motronic....thus maybe making it an easier swap/conversion. Ive done 3 MI conversions and the biggest pain was the loom....something i'm trying to avoid this time if possible.

I did a search and couldnt find your posts re your conversion......any directions ??

 

 

General Q;

Today i have been offered a GTI6 lump albeit without the inlet manifold. As the manifolds are rare to get by their lonesome and/or expensive would any other manifold fit the bill??

 

 

Cheers for any help in advance chasps

[welshpug 1,661]

the manifolds are fairly easy to come by as many have moved on to superchargers or ITB's recently.

 

the wiring on them, especially the later systems, are somewhat simpler to work out IMO as you mainly have one relay which you need to give a permanent live and switched live (ignition), find the fuel pump feed from that relay, give the starter a feed from ignition switch as normal and off you go

[JR20516V 6]

Just found out that the GTI6 lump doesnt come with an ECU....... thus creating another problem. May give this idea a miss me thinks.

[gti_al 1]

Just found out that the GTI6 lump doesnt come with an ECU....... thus creating another problem. May give this idea a miss me thinks.

 

Wasn't this the standard restoration, for when all the original cars have been destroyed...?

 

The 2l 8 valves are so cheap i would go for one of them. There are heaps in pick a part here, and they should go ok. It should look standardish with the original inlet too.

[welshpug 1,661]

Aftermarket management and a PeterT cam?

[Atari Boy 11]

Atari Boy: Baffled sump is a bonus... the lump is from a 1993 series 2 405...the updated dash model.

I did a search and couldnt find your posts re your conversion......any directions ??

 

This is my thread

 

Baffled sumps come on everything except the early engines so your '93 series 2 sould be okay, other may corrct me however, I am still learning.

[JR20516V 6]

Al.....you are bloody everywhere m8....LOL

Yes it was going to be a normal restoration and i DID want to stay with the original 105 bhp motor however i have found numerous 8v's around the country but all in pieces or been sitting on the deck for XX years...having not been run.

As you know i already have a serious 205 thus i wanted a standard type of one without going to extra management /wild cams, twin lowered chrome ashtrays etc.

My engine options i have found are ...

Gti6 [very cheap ]....however nil loom or ECU. Not easily found around here eh?

Mi16........130,000 miles and cheap as well. These motors are now getting long in the tooth.

8v..........see above comments.

2 litre 8v with 70,000 miles, runs sweet. it is sitting in my garage already to go. I like it as it seems to be another generation on from XU'S. The baffled sump is a bonus too ..not that i will be tracking it. Also it can be made to look nearly the same as the original 8v...but with a few more Gee Gees.

 

Jonny: Thanks to you and the others i think you have swayed me. Handy tips in the thread too.

 

question: I guess i'll have to use 306 engine mounts eh? Any problem fitting those into the 205?

 

Cheers to all thus far.....your blood is worth bottling !!

[sub205 5]

question: I guess i'll have to use 306 engine mounts eh? Any problem fitting those into the 205?

 

Cheers to all thus far.....your blood is worth bottling !!

 

the only engine mount thats different is the upper one. there you have to use the 306 ones, but the rubbers can be the one from the 205.

i prefer the 306 parts there because they are hold the engine tighter in place, but aren't a must.

 

when you plan to use the xu10j2 ecu you need something like this:

http://forum.205gtidrivers.com/index.php?s...=105835&hl=

Edited July 31, 2009 by sub205

[Atari Boy 11]

 

Does this pic help?