X-over pipe diameter

TD05 · Post by **TD05** » Fri Mar 19, 2004 7:15 pm

The xover pipe on my JB is ridiculously narrow at the turbo end,, even looking at the JA's it loos different, I've got a pipe that'll fit, so my question is it worth it?? would I get better bottom end / top end???

SIRIUS · Post by **SIRIUS** » Sat Mar 20, 2004 11:31 am

it should make a difference but dunno if youll be able to feel it

StarionChef · Post by **StarionChef** » Tue Mar 23, 2004 12:32 pm

Ofcoarse you will, less restriction = more air in = more air out= more power

TD05 · Post by **TD05** » Tue Mar 23, 2004 9:07 pm

I'll put it on tonight ready for tomorrow's drive to work...
:beer

StarionChef · Post by **StarionChef** » Wed Mar 24, 2004 12:45 am

let us know what sort of improvment it gives :)

SpidersWeb · Post by **SpidersWeb** » Wed Mar 24, 2004 3:25 pm

I am pretty sure I know what you are talking about. But to be completely clear.

Exactly what is the X-Over Pipe? Is it the pipe that runs from the IC to the turbo intake which goes over the engine, or something else?

ProZac · Post by **ProZac** » Wed Mar 24, 2004 4:30 pm

X-over pipe means cross-over pipe, its just the pipe the crosses over cam cover.

SpidersWeb · Post by **SpidersWeb** » Wed Mar 24, 2004 4:58 pm

Thought so

Mine is rubber, but same diameter from I/C to turbo

JB Starion.

ProZac · Post by **ProZac** » Wed Mar 24, 2004 7:16 pm

AHhh, yup yup, yours is intercooled isnt it? Those pipes are a bit larger then the non-ic ones, but ive heard of people having problems with em expanding and blowing off... Never had that problem with mine tho :)

SpidersWeb · Post by **SpidersWeb** » Wed Mar 24, 2004 9:41 pm

Yeah its intercooled. Pipe inside diameter is equal to the turbo intake size.

I have heard they expand and retract, but mine haven't blown off yet.

TD05 · Post by **TD05** » Wed Mar 24, 2004 10:50 pm

StarionChef wrote:let us know what sort of improvment it gives :)

well, the first I noticed was the exhaust not, deeper?, and the bottom end isheaps better I can drive off boost all day and still have plenty acceleration, turbo lag is improved... it's a good cheap mod for the money.

My only explanation for the OEM xover pipe, is that the engineers wanted to slow the thing down or something..

StarionChef · Post by **StarionChef** » Thu Mar 25, 2004 12:33 am

Good to hear it worked for your car, I knew it would

If you wrap it in thermo tape, you'll get some more power as well

Camotec · Post by **Camotec** » Thu Mar 25, 2004 12:45 am

would you really want to wrap the cross over pipe in thermo tape? if it isn;t intercooled then you'll only be insulating the hot air and keeping it in the pipe, atleast without thermo tape in this kind of setup the pipe can act as a kind of heatsink with the air that passes over it from the factory bonnet JA anyways.

But if the car is intercooled then ofcourse thermo tape it to keep the cooler air in.

Sorry maybe i got my wires crossed but do you have an intercooler?

StarionChef · Post by **StarionChef** » Thu Mar 25, 2004 12:54 am

Far out Benny, is it that hard to figure out? The idea of the tape is to stop all the HOT air from the motor heating up the pipe, thus making the air IN the pipe hotter. It wont cool the air, but it will prevent it from getting any hotter than it allready is. :)
and no, no cooler.

Cookiemonster · Post by **Cookiemonster** » Thu Mar 25, 2004 7:04 am

Nope.. I agree with far our Benny. I wouldn't wrap hot pipes.

The air inside that x-over pipe can reach upto 80 or 90 degrees C (no intercooler). The air in the engine bay will be a lot cooler than that.. especially when the car is on the move. You would want to leave that pipe un-wrapped so it can radiate some of that heat out.

The only pipe I would wrap would be between the intercooler and the throttle body.

Austarion

X-over pipe diameter

X-over pipe diameter

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