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CarGuru > Peugeot > Porting & Polishing? 10 May 2005 02:55:15
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Porting & Polishing?

Ray Bentos 8 May 2005 18:22:12
 What does this process involve?
How is it done? Is it something I could do myself or would I need a garage
to do it?


Add comment
Sleeker GT Phwoar 8 May 2005 18:53:09 [ permanent link ]
 In article <ogpfe.3769$Jc5.304­6@fe1.news.blueyonde­r.co.uk>, sp014g6464
@blueyonder.co.uk says...> What does this process involve?> How is it done? Is it something I could do myself or would I need a garage> to do it?>
If you can replace a headgasket, and take time to read a good book, and
find a scrap head to practice on, it is something you can do yourself.
--
Carl Robson
"Sorry Sir the meatballs are orf"
(The poster formerly known as Skodapilot)
http://www.bouncing­-czechs.com
Add comment
Conor 8 May 2005 18:57:37 [ permanent link ]
 In article <ogpfe.3769$Jc5.304­6@fe1.news.blueyonde­r.co.uk>, Ray Bentos
says...> What does this process involve?> How is it done? Is it something I could do myself or would I need a garage> to do it?>
You can do it yourself. All you need is something like a dremel.

Quite involved. It involves grinding away the inlet/exhaust ports in
the head to match the alignment of the inlet/exhaust manifold as well
as altering the shape of the ports then polish to smooth/increase
airflow. On the pintos you used to creat an apple shape where the port
turned towards the cylinder to greatly increase airflow.

Its a bit of a black art.

--
Conor

"Of all the things I've lost, I miss my mind the most." O.Osbourne.
Add comment
Burgerman 8 May 2005 22:22:37 [ permanent link ]
 If done by a pro there is not much to be gained. UNLESS you fit bigger
valves, carefully shape valve seats, etc. And then, you really need the
manifolds, intake and exhausts to match or you are wasting your time.

After all of that dont expect huge power gains unless you fit a better race
cam, and remap/rejet it. And even then, you will be lucky to get a 25
percent increase.

--

www.diy-nitrous.fsn­et.co.uk/ All about nitrous and how to DIY!
www.dynamometer.fsn­et.co.uk/ All about Dynamometers
www.powerchair-revi­ew.fsnet.co.uk/ Powerchairs reviews and Robots
www.tuning.wanadoo.­co.uk/ All about engine tuning! (for dummies)

"Ray Bentos" <sp014g6464@blueyon­der.co.uk> wrote in message
news:ogpfe.3769$Jc5­.3046@fe1.news.bluey­onder.co.uk...> What does this process involve?> How is it done? Is it something I could do myself or would I need a > garage> to do it?>


Add comment
Anon 9 May 2005 00:22:22 [ permanent link ]
 Ray Bentos wrote:> What does this process involve?> How is it done? Is it something I could do myself or would I need a garage> to do it?>
General: there are some good bits on the web about porting this one:
http://www.sa-motor­sports.com/diyport.s­htm is American (so aimed at big
V8s) and a bit commercial, but gives the general idea.

What engine is it? It makes a lot of difference - both on the amount of
info (i.e. people who have done it before!!) and how effective it will
be. Some engines respond really well and on others its a complete waste
of time.

I'm half way through "porting and polishing" on my 1.4 K-series. Funnily
enough, the best port do on these isn't actually anything to do with the
breathing, it is actually to remove all the casting flash from around
the coolant channels. I must have nearly doubled the size of the
channels by just taking them back to what had been originally designed.
Add comment
Sleeker GT Phwoar 9 May 2005 15:49:25 [ permanent link ]
 In article <2yufe.33283$p06.30­204@newsfe3-gui.ntli­.net>, anon@anon.com
says...> Ray Bentos wrote:> > What does this process involve?> > How is it done? Is it something I could do myself or would I need a garage> > to do it?> >
General: there are some good bits on the web about porting this one: > http://www.sa-motor­sports.com/diyport.s­htm is American (so aimed at big > V8s) and a bit commercial, but gives the general idea.>
What engine is it? It makes a lot of difference - both on the amount of > info (i.e. people who have done it before!!) and how effective it will > be. Some engines respond really well and on others its a complete waste > of time.

I'd imagine it is the 106 judging by his other post.
--
"Sorry Sir, the meatballs are Orf"
The poster formerly known as Skodapilot.
http://www.bouncing­-czechs.com
Add comment
Ray Bentos 9 May 2005 20:15:30 [ permanent link ]
 Yep, well guessed!

I've got a 106 1.4xsi which I'm planning to port/polish when I take head off
to fit a cam. Does anyone have any experience on these 1.4 TU engines?
My girlfriend has 1.1ltr 106, would it be a complete waste of time on this
as I'm desperate to tune it as much as possible for her too.........


Add comment
Anon 9 May 2005 22:15:52 [ permanent link ]
 Ray Bentos wrote:> Yep, well guessed!>
I've got a 106 1.4xsi which I'm planning to port/polish when I take head off> to fit a cam. Does anyone have any experience on these 1.4 TU engines?> My girlfriend has 1.1ltr 106, would it be a complete waste of time on this> as I'm desperate to tune it as much as possible for her too.........>
I would have thought there would be plenty of info on the TU engine. It
has been around for a while. I'll check with a couple of friends that
rally Pugs and Cits.
Add comment
Conor 9 May 2005 23:53:51 [ permanent link ]
 In article <C0Mfe.6519$Jc5.348­5@fe1.news.blueyonde­r.co.uk>, Ray Bentos
says...> Yep, well guessed!>
I've got a 106 1.4xsi which I'm planning to port/polish when I take head off> to fit a cam. Does anyone have any experience on these 1.4 TU engines?> My girlfriend has 1.1ltr 106, would it be a complete waste of time on this> as I'm desperate to tune it as much as possible for her too.........>
The 1.4 is a waste of time too.


--
Conor

"Of all the things I've lost, I miss my mind the most." O.Osbourne.
Add comment
Burgerman 10 May 2005 01:18:05 [ permanent link ]
 Cars like these are made as cheap and light as possible. They are for town
use getting groceries. So apart from a small weedy engine it also will have
tiny brakes at both ends, lightweight shopping style shocks and springs etc.
The whole vehicle, and this aplies to the majority of front drive small
engine cars, is a carefully designed package. Doing anything to the engine
that actually gives any real extra power means it is now horrible to drive
and has brakes that are too weedy to stop it. However, simply diy porting
the head with stock valves does not fall into this catogory...It is unlikely
to achieve more than a couple of percent power increase.

Its not for nothing that the faster versions have different gear ratios,
different diffs and types of diff, as well as different suspension and
geometry, oil coolers, bigger radiators, gearboxes and bifgger clutches,
stiffer anti roll bars, wider wheels, etc etc...

If you really wanted a faster car why didnt you start with a car that was
already built like this? Tuning work only really makes any sense at all
when you already have the fastest car in the range and want or need more.

Otherwise it inevitably means that you are throwing good money after bad
and finishing up with a peaky, unreliable noisey, evil handling car that
does not stop properly, and is all but impossible to insure!

Plus if you are going to tune an engine, start with the biggest! 10 percent
more on a 200bhp motor is an extra 20bhp. The same 10% impovement on a
50bhp grocery getter costs the same in parts and gives only 2.5bhp extra!

Any single engine tuning mod will not do mutch anyway. Ports, valves,
manifolds, carbs/throttle bodies, exhaust systems, cams, and compression
ratios all work together. Adding a BIG exhaust does not help hardly at all
for example as the cam timing is mild, and not effected much by
backpressure. All there things need to be changed and remapped together to
see real power gains, and a bigger engined car from the same range will
still be more reliable and nicer to drive! And cheaper.

--

www.diy-nitrous.fsn­et.co.uk/ All about nitrous and how to DIY!
www.dynamometer.fsn­et.co.uk/ All about Dynamometers
www.powerchair-revi­ew.fsnet.co.uk/ Powerchairs reviews and Robots
www.tuning.wanadoo.­co.uk/ All about engine tuning! (for dummies)





"Conor" <conor.turton@gmail­.com> wrote in message

news:MPG.1ce9d028ef­f1de4f989ab6@news.in­dividual.net...> In article <C0Mfe.6519$Jc5.348­5@fe1.news.blueyonde­r.co.uk>, Ray Bentos> says...>> Yep, well guessed!>>
I've got a 106 1.4xsi which I'm planning to port/polish when I take head >> off>> to fit a cam. Does anyone have any experience on these 1.4 TU engines?>> My girlfriend has 1.1ltr 106, would it be a complete waste of time on >> this>> as I'm desperate to tune it as much as possible for her too.........>>
The 1.4 is a waste of time too.>
-- > Conor>
"Of all the things I've lost, I miss my mind the most." O.Osbourne.


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CarGuru > Peugeot > Porting & Polishing? 10 May 2005 02:55:15
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