: 197 Matched Inlet Manifolds



Jimbo
24-02-2009, 17:53:21
wow, just wow!

Being very local to Jamsport they asked if they could use my car as development for matching the inlet manifolds on my 197. i snapped up the offer and took the car in yesterday for them to start work. A before dyno run was to be done, then the inlet work and then a dyno run after. VERY impressive gains were the result, and god, the car flies. i can without a doubt tell a massive difference in the way the car drives.

I knew this mod would prove positive as i'd had it done to both my 172 Cups and it proved to work very well.

We're not releasing the figures until another car has had the work done to validate it all.

but all i can say is its a definate mod to do on the 197!

A massive thank you to all the team down there and especially Mark for piloting the work.

Naith
24-02-2009, 17:54:40
kevo66 is running it on the catcam (off poobah) it is a very worthwhile addition :)

Hair Bear
24-02-2009, 17:56:03
Nice one Jim lad. Think Poobah put up a report similar to this with pics' a while back - looked impressive.

And Icarus posted some development on his aswell - it was amazing how badly the ports were matched......

poobah
24-02-2009, 17:56:35
Did this on mine. Was pretty easy to do really. For the sake new some engineers blue and a dremel i'd do it yourself.

My manifold is now fitted to kev's cat cams clio.

Edit - Looks like Naith beat me to it! :)

paul_r26
24-02-2009, 20:14:10
I have 1st hand experience of Jamsport, my advice to a mate would be: Don't trust them with the Mrs car let alone your own.

conley
24-02-2009, 21:56:30
The Dremel rides into action again. Give us the numbers then. Your secret is safe with me.

richandgem
24-02-2009, 22:48:47
I wanna get this done to our 197

BlackRat250
24-02-2009, 23:34:46
Paul, you heard the same as me ??

I know most of them through my professional capacity shall i say ;)

poobah
24-02-2009, 23:45:56
Lol. Subtle Blackrat! ;) :D

BlackRat250
24-02-2009, 23:47:10
As always :)

paul_r26
25-02-2009, 00:16:36
Paul, you heard the same as me ??

I know most of them through my professional capacity shall i say ;)

:yes: sure I'll be able to tell you about my 306 gti6 and a friends 106 gti at some point.

kevo66
25-02-2009, 01:44:57
Trying to coax some info out accross a few forums but they dont seem to wanna play!!!!

conley
25-02-2009, 07:55:17
Also maybe a wee tweak on the rollers after the work just to flatter the customer with some nice numbers.

If you had a particularly bum bit of original inlet machining, then about 5 Bhp and a touch more torque. Useful but not earth shattering.

Also all very dependent on the quality and experience of the profiler and his wielding of said Dremel like device.

Jimbo
25-02-2009, 08:16:20
Loves the speculation. I'm going to get a second rr done for another opinion.

Plus I'm not taking the rr results as gospel, I never do. There's too many variables. It's how the car feels at the end of the day. They gave me the results after I took the car for a test run, so the placebo effect didn't win me over.

steve@wests
25-02-2009, 09:25:08
i took jimbos car for a run last night,and the results are very impressive indeed.the way it hurtles towards the red line when it comes"on cam" really has to be experienced.
i keep an open mind about mods/rolling road figures because, as jimbo points out,there are too many variables that can be misinterpreted.but,and it is a big but,this mod has definitely made a difference for the better.

steve

(and no,before anybody says "hes only backing his son up",i speak as i find)

kevo66
25-02-2009, 10:54:54
Fair play matey, Ive asked for more info on CS, I'll have some if it can be backed up better, if I can get mine to go a bit better then its all good! Esp as its up against Icaru's supercup round Bruntingthorpe in April, need all the help I can get!

poobah
25-02-2009, 11:04:43
To be honest, going from what Icarus has said, there is very little you can alter on the 197 manifold in terms of runner profile. You also can't just match it to the gasket.

As there is so little scope for re-shape l'd recommend just matching it yourself. If you take your time its not difficult and crucially its also free! Don't be tricked in to paying way over the odds for what is essentially a very simple and straight forward mod. Companies which claim to be vastly altering the profile of the runners on the 197 manifold are generally talking pish. There will be very few gains other than a direct port match.

Search for Icarus's Port Matching Guide, follow it and you can't go wrong.

One thing l did wonder is whether there is any merit in getting the plenum fettled?

BlackRat250
25-02-2009, 11:07:59
:yes: sure I'll be able to tell you about my 306 gti6 and a friends 106 gti at some point.

Nothing suprises me these days.

kevo66
25-02-2009, 11:12:13
To be honest, going from what Icarus has said, there is very little you can alter on the 197 manifold in terms of runner profile. You also can't just match it to the gasket.

As there is so little scope for re-shape l'd recommend just matching it yourself. If you take your time its not difficult and crucially its also free! Don't be tricked in to paying way over the odds for what is essentially a very simple and straight forward mod. Companies which claim to be vastly altering the profile of the runners on the 197 manifold are generally talking pish. There will be very few gains other than a direct port match.

Search for Icarus's Port Matching Guide, follow it and you can't go wrong.

One thing l did wonder is whether there is any merit in getting the plenum fettled?


See thats what I thought mate, but...... these amazing gains need to be investigated!!

poobah
25-02-2009, 11:25:30
I think you'll find that becuase you already have a port matched manifold, the amazing gains are more like amazing wallet losses and very little else. :)

I reckon after a basic port matching exercise, your money would be better spent elsewhere for maximum return on your investment. Obviously l use the word investment as loosely as possible, as tuning/modifying cars rarely is such!

conley
25-02-2009, 11:45:44
Fair play matey, Ive asked for more info on CS, I'll have some if it can be backed up better, if I can get mine to go a bit better then its all good! Esp as its up against Icaru's supercup round Bruntingthorpe in April, need all the help I can get!


Book yourself a sneaky solo test day and recce the joint. Testing wins races.

kevo66
25-02-2009, 11:46:25
I think you'll find that becuase you already have a port matched manifold, the amazing gains are more like amazing wallet losses and very little else. :)

I reckon after a basic port matching exercise, your money would be better spent elsewhere for maximum return on your investment. Obviously l use the word investment as loosely as possible, as tuning/modifying cars rarely is such!

Aye, I think you may be right matey!! I already have other plans for "investing" my money :p

kevo66
25-02-2009, 14:36:24
Pinched from CS

realy mate ya should just pay the £10 member ship but here:

We have just finished doing testing on a clio 197 inlet, we now have a very good pattern done for the inlet work.

The gains achieved are very impressive, more than the 1*2 cars, back to back testing done on the same car.

We will only release the figues when we have replecated on another car.

The price of this is more than the 1*2 inlets as there is a fair bit more work going into them. expect rrp to be in the region of £250 fitting charge is slightly less tho at £45, so thats £295 fitted inc vat, as yet to sort prices on PTFE gaskets.

As yet i dont have a spare 197 inlet so i can't offer this on an exchange basis, fitting will take 1 hour. The work to modify the inlets take several hours, so total time in the workshop would be 3-4hours.

For the next person to buy these i shall do a free set of before and after power runs (worth £65) to authenticate our gains on this first car.

More info will be on our website soon, its going thru a big refresh....


Kind regards

£300 fook that!!

SaintDP
25-02-2009, 14:39:46
£300 to make some holes bigger. Were are my tools!!!

poobah
25-02-2009, 14:51:32
£300! Cost me about £12 to do yours Kev exlcuding the cost of the spare manifold. Bloody rip off if you ask me.

The fact they are only quoting 3-4 hours including fettling time tells you that they're not doing any serious alterations to the runner shape.

Seriously, anyone with an ounce of enginnering sense could do this in their own garage with some basic tools if they follow the guide.

Sorry for the rant but how they can charge £300 for what is essentially just labour time is beyond me.

kevo66
25-02-2009, 15:17:32
Hmmm, £12 vs £300.....?????

Even a pro job by angelworks is £170!!!

kevo66
25-02-2009, 16:08:11
Im not knocking it, Im just confused as to how much extra can be had here over normal port matching like I have!!!

Im open to being proved wrong and not ashamed to admit when I am!!

kevo66
01-03-2009, 14:32:37
So Jimbo, how did you get on at RS Tuning mate?? What did it run??

Jimbo
01-03-2009, 18:07:46
as said on CS, 'interesting' is a word that springs to mind!

poobah
01-03-2009, 18:28:41
Do tell mate. What did you come out with? I've got some figures for my 197 on the RST rollers so may be able to comapre. PM me if required. :)

kevo66
01-03-2009, 19:25:53
So.. where are the figs?