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Author Topic: Engine mods, looking for opinions :)  (Read 2902 times)

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Rogusu

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Engine mods, looking for opinions :)
« on: 22 February 2011, 20:03:37 »
Greetings and salutations,

I would like to unleash some of the V6 power. But I am not friend of a spanner (as my friend with Octavia says - the engine is that noisy black plastick thing under the bonnet ;) ), so I would like to ask for your opinions about some tips I have found here first. All jobs will be performed by garage or my brother in law (much better with mechanics than me), I will be only looking, I promise :)
For the overview, my Miggy is 97 3.0 sedan. I am running only cca 15-20 km short journeys most of the time, but sometimes I can get on longer trips and then I try to enjoy some right foot play :) I know this is not sporty coupe, but from what I read here, I beleive it can provide some interesting results :)

So I have 3 limits:
- I am little low on budget now, so I cannot buy some internal work on engine
- the car has to be still driveable in normal conditions (like pooling around town etc. cannot go in high RPM all the time)
- not as limit as just info, I do not care much about consumption. Now it is very good (cca 7-8 litres on 100km combinated drive  :o) ), so I can go with something thirstier :)

Finally, what I have read here, I am thinking (just thinking now :) ) about this:
- using everything from intake up (injectors, FPR, plenum etc.) from 3.2 engine - here I would also like to ask if the throttle body is compatible?
- porting throttle bodies and intake plenum
- using 3.2 exhaust manifold
- mantzel type rezonator box (found some drawings, so I will try to have it done in work)
- installing cold intake
- ECU chip
- Do not know which one, so I do not know if I can afford it, but I would like to use lighter flywheel

All this will be done in steps during the year.
As I wrote, I am complete noob, and I beleive everything is easier to read than done, so I cannot estimate how difficult / expensive all those mods can be. I also cannot estimate the results... :) So any help, opinion, advice or tip is much welcomed.
Also, I am sorry for my English, it is not my native language
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Martin_1962

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Re: Engine mods, looking for opinions :)
« Reply #1 on: 22 February 2011, 20:26:23 »
2.6 / 3.2 manifolds are your best bet
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Omega_Dan

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Re: Engine mods, looking for opinions :)
« Reply #2 on: 22 February 2011, 20:41:15 »
The standard air intake system is well designed and allows very good air flow. A replacement high flow panel filter is all you would really need :y
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TheBoy

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Re: Engine mods, looking for opinions :)
« Reply #3 on: 22 February 2011, 21:21:08 »
Quote
- using everything from intake up (injectors, FPR, plenum etc.) from 3.2 engine - here I would also like to ask if the throttle body is compatible?
Pretty much indentical, so no gain

Quote
- porting throttle bodies and intake plenum
Unlikely to make a useful difference. Porting th heads may be more worthwhile
Quote
- using 3.2 exhaust manifold
Seems to be free-er flowing, might need 3.2 cats
Quote
- mantzel type rezonator box (found some drawings, so I will try to have it done in work)
I remain unconvinced that its an improvement on standard, and will certainly be less drivable
Quote
- installing cold intake
Standard car has a cold intake
Quote
- ECU chip
Some useful gains, generally at higher rpm, realistically <10% gain
Quote
I would like to use lighter flywheel
In reality, makes precisely sod all difference
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JamesV6CDX

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Re: Engine mods, looking for opinions :)
« Reply #4 on: 22 February 2011, 21:45:24 »
Quote
to be free-er flowing, might need 3.2 cats

You can use the existing cats, but you'll need to shave around 5mm off the lip on the top, where it meets the manifold  :y
« Last Edit: 22 February 2011, 21:45:54 by JamesV6CDX »
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tunnie

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Re: Engine mods, looking for opinions :)
« Reply #5 on: 22 February 2011, 21:48:07 »
You want performance, drop a V8 in....
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TheBoy

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Re: Engine mods, looking for opinions :)
« Reply #6 on: 22 February 2011, 21:50:28 »
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You want performance, drop a V8 in....
OP stated a tight budget ;)
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Lazydocker

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Re: Engine mods, looking for opinions :)
« Reply #7 on: 22 February 2011, 21:52:02 »
Hmmm... V6 chip ::) ::) ::) That reminds me :-X :-X ::) ::)
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TheBoy

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Re: Engine mods, looking for opinions :)
« Reply #8 on: 22 February 2011, 21:53:25 »
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Hmmm... V6 chip ::) ::) ::) That reminds me :-X :-X ::) ::)
Ah fak. Have you got a spare ECU?
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Kevin Wood

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Re: Engine mods, looking for opinions :)
« Reply #9 on: 22 February 2011, 21:58:54 »
Quote
Quote
Hmmm... V6 chip ::) ::) ::) That reminds me :-X :-X ::) ::)
Ah fak. Have you got a spare ECU?

Oh, good! Do I get to play with my soldering iron in the bar at the Farnborough meet? ;D

Kevin
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TheBoy

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Re: Engine mods, looking for opinions :)
« Reply #10 on: 22 February 2011, 22:02:42 »
Quote
Quote
Quote
Hmmm... V6 chip ::) ::) ::) That reminds me :-X :-X ::) ::)
Ah fak. Have you got a spare ECU?

Oh, good! Do I get to play with my soldering iron in the bar at the Farnborough meet? ;D

Kevin
Nope, socketed on all V6 :y
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Re: Engine mods, looking for opinions :)
« Reply #11 on: 22 February 2011, 22:03:17 »
Quote
Quote
Hmmm... V6 chip ::) ::) ::) That reminds me :-X :-X ::) ::)
Ah fak. Have you got a spare ECU?
Errm... Nope ::) Didn't think I needed one :-[
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Lazydocker

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Re: Engine mods, looking for opinions :)
« Reply #12 on: 22 February 2011, 22:03:48 »
Quote
Quote
Quote
Quote
Hmmm... V6 chip ::) ::) ::) That reminds me :-X :-X ::) ::)
Ah fak. Have you got a spare ECU?

Oh, good! Do I get to play with my soldering iron in the bar at the Farnborough meet? ;D

Kevin
Nope, socketed on all V6 :y
That answers that then ;D ;D
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TheBoy

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Re: Engine mods, looking for opinions :)
« Reply #13 on: 22 February 2011, 22:07:12 »
Quote
Quote
Quote
Hmmm... V6 chip ::) ::) ::) That reminds me :-X :-X ::) ::)
Ah fak. Have you got a spare ECU?
Errm... Nope ::) Didn't think I needed one :-[
I dont have any spare chips, and its nice to keep your original in tack in case of issues.
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Lazydocker

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Re: Engine mods, looking for opinions :)
« Reply #14 on: 22 February 2011, 22:10:54 »
Quote
Quote
Quote
Quote
Hmmm... V6 chip ::) ::) ::) That reminds me :-X :-X ::) ::)
Ah fak. Have you got a spare ECU?
Errm... Nope ::) Didn't think I needed one :-[
I dont have any spare chips, and its nice to keep your original in tack in case of issues.

Isn't the immobiliser linked to the ECU too? Just so I know what I need to get
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