V8 Intake Pipes

[Cúl-Báire]

Originally Posted by raised by monkeys

A little off topic, but regarding intake pipes and other air induction, has anyone put heat proofing around their pipes and box? Does it make a noticeable difference?

When first got my XR8 it had thermal wrap all over the airbox, and intake pipe. It little or no difference once I took it all off, other than making a right mess of everything!

My advise, is don't bother.

[b2tf]

I've just about finished making mine so I thought I would update with some part numbers and pictures.

This is the (almost) end result. A little more polishing, drill a hole to fit the IAT on the underside of the pipe and job done. This cost me less than $60 to have made including getting a bloke with a TIG welder to join the pieces, it would be about $150 or so at full retail price.





This is 2 pieces of polished alloy and 2 silicone joiners, 3" in diameter. I have a 65mm TB but I reckon with a bit of heat you could get one over a 70mm TB too - there's a bit of give in them.

All parts listed are Autobarn part numbers as that's where I work but you could get most of this from any good auto store and I know the pipes are available on Summit - just didn't want to wait that long.

1x 60 degree bend 3" I.D. PN 9469
1x 6" length of 3" I.D. pipe PN 9419
2x 3" ID flexible silicone joiners PN 8421
4x 76mm hose clamps PN varies on supplier but anybody will have them.

NOTE: 60 degrees is apparently the right angle if you have a stock airbox BUT since I don't (got a G&D one) I can't confirm this. Looking at it I think it would be right though.

There are different colours and sizes available for the joiners and there are also a few options to do with pipe - different sizes etc. Check here:

http://www.naparts.com.au/PDF/SEC1%2...ue%20LOW-2.pdf

[crakrz]

Great pics Aust, and good info to go with it. Can't wait to see some pics from the front when you are all done.

-Craig

[auIILTD]

Austin, how did you go about inserting the IAT? Pics, when you get it done?

Stu

[raised by monkeys]

im gonna be naive here, whats the IAT?

[b2tf]

Originally Posted by raised by monkeys

im gonna be naive here, whats the IAT?

Intake Air Temp sensor, little thing that goes into the intake pipe before the throttle body.

Stu I am drilling a hole into the bottom of the pipe and using a grommet to hold it in, this is how my old AU had it done (was a herrods intake on that car) and it worked ok. Only danger is keeping it tight so it doesn't drop onto the headers.

[auIILTD]

Originally Posted by b2tf

Stu I am drilling a hole into the bottom of the pipe and using a grommet to hold it in, this is how my old AU had it done (was a herrods intake on that car) and it worked ok. Only danger is keeping it tight so it doesn't drop onto the headers.

Why the bottom? It has much more chance of staying in place if it is on the side - like the stock config.

[b2tf]

Originally Posted by auIILTD

Why the bottom? It has much more chance of staying in place if it is on the side - like the stock config.

Frankly because it looks better

[auIILTD]

Originally Posted by b2tf

Frankly because it looks better

Cannot argue with that logic! May suggest a bit of silastic adhesive to help hold it.

[b2tf]

Originally Posted by auIILTD

Cannot argue with that logic! May suggest a bit of silastic adhesive to help hold it.

It doesn't go any good just yet so we may as well make it look good.

[crakrz]

What happened to your vac line from your heater tap? Looks like its missing in the pic.
-Craig

[b2tf]

Moved a few around to have them look a little cleaner so it would be there somewhere! Planning on re-routing the PCV line from the TB too for a bit of a cleaner look. Moroso do a nice looking catch can for about $70 so if I can get that I will delete the line from the throttle body.

[crakrz]

Originally Posted by b2tf

Moved a few around to have them look a little cleaner so it would be there somewhere! Planning on re-routing the PCV line from the TB too for a bit of a cleaner look. Moroso do a nice looking catch can for about $70 so if I can get that I will delete the line from the throttle body.

I didn't think that you were into too much bling. What do you need a catch can for? Are you running boost somewhere in there?

-Craig

[BHDOGS]

[QUOTE=crakrz]I didn't think that you were into too much bling. What do you need a catch can for? Are you running boost somewhere in there?

Not boost he's running bling!

[b2tf]

Originally Posted by crakrz

I didn't think that you were into too much bling. What do you need a catch can for? Are you running boost somewhere in there?

-Craig

As above it has to look good cos it doesn't go good.

[b2tf]

The IAT sensor is now in, i drilled a hole for it this afternoon and fitted it all up.

For that you need the IAT out of your stock intake pipe, and a 7/16 wiring grommet which fits perfectly around the top of the sensor. Measure up the diameter of the wiring grommet and drill a hole slightly smaller in the intake pipe, push your grommet in and then push the IAT through it, reconnect the wiring and you're all done.

Pics to come.

[crakrz]

What, still no pics.........? Am I impatient?

[b2tf]

Originally Posted by crakrz

What, still no pics.........? Am I impatient?

Internet's been slowed! Hit the download limit this month. I'll try and find a book to read while its uploading pics.

[OwnTheRoad]

Has any one considered that the original pipe was corrugated to allow for engine movement? The solid looking pipes look great however should you have an engine mount failure ,which is not uncommon on the left side of the engine it will lift under acceleration and could very well pull apart the very solid intake pipe and as for more noise of course you will get more as you have removed the flex pipe which is an isolator for vibration between motor and body.

[b2tf]

Originally Posted by FTEMEL

Has any one considered that the original pipe was corrugated to allow for engine movement? The solid looking pipes look great however should you have an engine mount failure ,which is not uncommon on the left side of the engine it will lift under acceleration and could very well pull apart the very solid intake pipe and as for more noise of course you will get more as you have removed the flex pipe which is an isolator for vibration between motor and body.

The silicone joiners are flexible ones for this very reason. My airbox has been replaced by the G&D one so intake noise is not an issue.