Vxr8 cold air intake..........
Vxr8 cold air intake..........
Author
Discussion

chrispaull

Original Poster:

2,755 posts

219 months

Sunday 27th July 2008
quotequote all

Fitted CAI yesterday, can see the front of the engine now!!!!..................















ringram

14,701 posts

271 months

Sunday 27th July 2008
quotequote all
Where is that from dude?
Are you sure its going to be cold? The metal will heat-soak a bit.

How much over ambient does it run now? On the motorway mine is about 3* over ambient.

In any case it looks nice an shiny smile

chrispaull

Original Poster:

2,755 posts

219 months

Sunday 27th July 2008
quotequote all

I got it from Aus, company called Original parts group, as for running over......... anyway as you said, looks nice and gets rid of all that black plastic hiding the front of the engine.........plus it sounds cool........will try it out on the french motorways later this week..........

Edited by chrispaull on Sunday 27th July 17:36

ringram

14,701 posts

271 months

Monday 28th July 2008
quotequote all
Yeah this is worth a read if you are considering one..
Note that the designs are all similar, being over the radiator. For best cold air induction I think you will find that design best. Though some require you to remove the MAF. The VXR8 map is very close to perfect running off the calculated airflow values, so the loss of the MAF doesnt cause any issues. (If you have the right software)

http://www.chipmaster.com.au/ProjectVE_4.html

Stationary/Slow I think mine was 10-12* over ambient.. I need to check properly.

I have the Russo one as below



Edited by ringram on Monday 28th July 08:52

mickya

185 posts

233 months

Monday 25th August 2008
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got a wortec cai if someone wants one cheap? [as new]

racebreed

216 posts

211 months

Monday 25th August 2008
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http://search.ebay.com.au/search/sear


any idea which ones of these will fit a 07 monaro vxr?

racebreed

216 posts

211 months

Monday 25th August 2008
quotequote all
mickya said:
got a wortec cai if someone wants one cheap? [as new]


how much and whsts it look like

MyM8V8

9,468 posts

218 months

Monday 25th August 2008
quotequote all
mickya said:
got a wortec cai if someone wants one cheap? [as new]
Do you know if it will fit a VZ HSV?

Magic919

14,164 posts

224 months

Monday 25th August 2008
quotequote all
racebreed said:
http://search.ebay.com.au/search/search.dll?sofocu...


any idea which ones of these will fit a 07 monaro vxr?
That's a VZ and this one says it does http://cgi.ebay.com.au/VY-VZ-LS1-LS2-Holden-Commod...


MyM8V8

9,468 posts

218 months

Monday 25th August 2008
quotequote all
Magic919 said:
racebreed said:
http://search.ebay.com.au/search/search.dll?sofocu...


any idea which ones of these will fit a 07 monaro vxr?
That's a VZ and this one says it does http://cgi.ebay.com.au/VY-VZ-LS1-LS2-Holden-Commod...
Yeah but that not the one he's selling cheap, eh?

mickya

185 posts

233 months

Tuesday 26th August 2008
quotequote all
will try to get pic this week.as for fitment variants wouldnt like to say
might pay to ask wortec/monkfish
price [collected]£100

motomk

2,186 posts

267 months

Wednesday 27th August 2008
quotequote all
Magic919 said:
racebreed said:
http://search.ebay.com.au/search/sear


any idea which ones of these will fit a 07 monaro vxr?


That's a VZ and this one says it does http://cgi.ebay.com.au/VY-VZ-LS1-LS2-



You will have to have a MAFless tune to run that one too.

ringram

14,701 posts

271 months

Wednesday 27th August 2008
quotequote all
Mafless rules smile

Bonnie and Clyde

11,701 posts

215 months

Wednesday 27th August 2008
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ringram said:
Mafless rules


Whats Mafless? Please

Well_Fans

4,193 posts

247 months

Wednesday 27th August 2008
quotequote all
theres this thingy called a MAF in the intake pipe running from the airbox to the front of the throttle body, inside it has a fine mesh and some electronics that communicate with the cars computer to help it work out how the car engine should be fed with air and fuel to run at its best. If you remove it then you have to tell the computer to use a fixed set of values from a table. Get it right and you can see performance gains, get it wrong and the car will run like a dog. Its quite a common method of running in Oz and theres a fair few of us over here running mafless. Most common reason for doing it though is because you're running an OTRCAI (over the radiator cold air intake) which pushes a lot more air into the engine than the standard intake but doesnt leave enough space to fit a MAF. Thats the dummy's guide, I'll leave it to others to give a more technical description

Edit: look at first picture at top of this thread, follow the shiny chrome pipe towards the top of the picture until you reach the round black object with wires coming out it - thats the MAF in that car. should be in almost exactly the same spot on your monaro.

Edited by Well_Fans on Wednesday 27th August 15:23

ukvoyager.info

2,782 posts

245 months

Wednesday 27th August 2008
quotequote all
Bonnie and Clyde said:
Whats Mafless? Please
An engine without one of these....

http://en.wikipedia.org/wiki/Mass_flow_sensor

chrispaull

Original Poster:

2,755 posts

219 months

Wednesday 27th August 2008
quotequote all

Bonnie, so you know what it looks like, the top picture has a maf half way down the intake pipe (see wires and black section) and ringrams does not, (second picture), hope this helps........

ringram

14,701 posts

271 months

Wednesday 27th August 2008
quotequote all
Holdens have both methods stock, the other one is http://en.wikipedia.org/wiki/MAP_sensor

Basically the MAP is used to sanity check the MAF in our cars, plus for transient conditions and other times. Ive not seen a definitive statement about exactly when the MAP is used I think it depends on the vehicle and calibration.

But yes, you can easily remove the MAF and get better throttle response, but the tune is harder to get right as MAF based fueling is somewhat more staight forward with only a single column of values which relate directly to airmass. Speeddensity/Mafless needs an accurate map of the engines efficiency which runs to hundreds of values and in some cases thousands. However in order to do a proper full tune both methods should be dialed in 100% This can take a long time on a new setup. Id hate to know how long the OEM's spend on their tunes.

Over 2 million late model EFI Hemi engines run without a MAF FWIW.

Bonnie and Clyde

11,701 posts

215 months

Thursday 28th August 2008
quotequote all
I think i understand a bit more than i didsilly Going to read up on it in detail when i'm back at home and not in an internet cafe. Rich's does'nt have that large chrome pipe leading to th maff it just has a large air intake above the rad. Is that right? Are Chipmaster available over here. Like i say when i have a few hours i'll google all this. Cols getting ratty as i'm spending a lot of my holiday learning about V8 engins. Then going back to him and telling him what i've learned. His response is usually "get us a beer bab". Then i dissapear under the bonnet of the rocloud9 for a while till he needs another one.

Edited by Bonnie and Clyde on Friday 29th August 17:11

ringram

14,701 posts

271 months

Thursday 28th August 2008
quotequote all
A nice straight forward explanation of the 3 main fueling methods here

http://www.carcraft.com/techarticles/electronic_fu...