http://www.racesystems.com/powerflex/

I just wanted to know if anyone has heard of this, used it and know of any positive or Negative Results?

Is it any better that the orange Flex Tube that ATI sends?

One more thing
I was told by a few people that the orange hose that ATI sends is really good and will not Flex/colapse under high boost (12# or more), However I have read here that folks are always trying to replace the orange tube.
Is the orange tube a problem?
What is your experience with it? and How much boost are you running?

Thanks in advance for any comments or thoughts.
Claude

 

If you do a search you will find some good info on this subject. The orange hose is garbage. A few people on this board have made custom pieces to replace the orange flex hose.

 

The orange tube is a pile but i have seen 12psi several times before fuel went south. Its nothing im rushing to replace since the car seems to have insane power as is, all i need is more psi. I would love to have somthing else though. I wonder what other people used to replace the orange tube that makes a hell of a bend.

Bill

 

I had a industrial exhaust shop weld something up for my cousins D-1SC kit, they did a few things for me in the past and do very nice work, we have given them all the dimensions of how much space we have to work with and what we need, I should have pics in a few weeks We went with a 3.75" Stainless Steel Pipe that is bent fairly similiar to the Mufflex peice. However the K&N will be in a different location since the twin intercoolers don't allow for much room the front corner of the nose.

 

94SLUG:
Did you ever notice any fluctuation with boost with the orange tube? (I mean, did you ever see it go from 12# to 8# under WOT?)

And What size pulley are you using with your D1 to see 12# of boost at 5000rpms with that cam and ported heads (just curious).

Thanks,
Claude

 

I see 9-10lbs at 5000 no drop steady going up. I was able to see 12 lbs at 5800-6000rpm then fuel pump issues. I cant remeber the hub size i think 9ich or 8 and blower is 3.95. Boost starts at 3000-3300rpms. Rev limit is at 6500rpms i think im going to have to much boost.

 

U lucky BasT@rd!
Enough is Never Enough...
And Too Much is always just right

Good Luck with your set up man...And Thank You for the responses, its much appreciated

I guess I will try out the Orange tube and see how that goes for now. I should see around 10-12# of boost on the intake with my P1SC, Pulley combo, STOCK heads, cc305 cam, Long tubes and 2 core Intercooler. So, I should NOT make as much boost or power as you since you have a better blower and ported heads and a better cam but it should sure be A LOT More Fun than my OLD set up, which was a borla cat back and 4.5# of boost.

Thanks,
Claude

 

Tight spaces can be dealt with fairly easily. We had to do something similar on a friend's 951 Porsche. He upgraded the stock turbo to the next model larger. All the tubing from his MAF to the turbo wouldnt work since it was too small so we had to build a new tube. It was all 3" and it was worse off than an LT1 F-Body with a vortech or ATI. Here is a sketch of what we did. Cut in sections and then welded together. A little time consuming but doable.



http://www.hustonstreetracing.com/pics/porschetube.jpg

 

Originally posted by 94SLUG
i think im going to have to much boost.
--------------------------------------------------------------------------------



U lucky BasT@rd!
Enough is Never Enough...
And Too Much is always just right

Good Luck with your set up man...And Thank You for the responses, its much appreciated

I guess I will try out the Orange tube and see how that goes for now. I should see around 10-12# of boost on the intake with my P1SC, Pulley combo, STOCK heads, cc305 cam, Long tubes and 2 core Intercooler. So, I should NOT make as much boost or power as you since you have a better blower and ported heads and a better cam but it should sure be A LOT More Fun than my OLD set up, which was a borla cat back and 4.5# of boost.

Thanks,
Claude



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04-09-2003 08:49 PM



Guido
Member

Registered: Jul 1999
Location: Connersville, Indiana
Posts: 1441
Tight spaces can be dealt with fairly easily. We had to do something similar on a friend's 951 Porsche. He upgraded the stock turbo to the next model larger. All the tubing from his MAF to the turbo wouldnt work since it was too small so we had to build a new tube. It was all 3" and it was worse off than an LT1 F-Body with a vortech or ATI. Here is a sketch of what we did. Cut in sections and then welded together. A little time consuming but doable.


Claude the orange crap tube will be fine till your ready to replace it with somthing else. To tell ya the truth i dont know if my heads are increasing the amount of boost i should get. Im using some large intake valves but i did not touch tb. In-take is ported and Rich is the reason why i bought this cam. I find these levels to be high with my setup and i dont want to order a new pully for less hp(what a mod the only for less hp). So ill lower revs i guess. The damn car is sitten for a week and ill think about it lol. Good luck to you and i hope your project goes well.



I must agree if you can work with metal or should i say have the tools/material/friends. The tube works fine but the header is a 1inch away. Im sure it will crack/rip sooner or later.

 

A lot of people on here hate the orange tube. It is a piece of crap. The wire starts getting warped, the strings on it come unraveled, holes can be worn it it if your not careful. Its just hard to find something else to replace it in such a small place.

With all of that said, I am still using it and I dont think its hurting me performance wise. I have replaced the rest of the tubing along with a much larger air filter. Showing about 15#s of boot at around 6200rpms with a 12# pulley.

 

OK guys, I have also gotten some email from folks that are seeing over 15 pounds of boost on the intake with the orange hose and a mufflex intake and a bigger filter (without colapsing). I will definetly stick with the orange hose for now and mabee a bigger filter till someone comes up with something better comes along. (My Maf is already located on the pressure side)

Thank you all again for the responses.
Claude

 

So is the powerflex good or not???

 

>I know there are solid tubes out there , but where (website) are they located ?

 

I hear alot of claims of gaining addition boost from replacing the intake tubing. Has anyone actually done a back to back test on a dyno.
If you have the Mass Air Sensor on the pressure side, and ease off the throttle at the end of the pull, you could remove all the intake tubing and suck air right into the blower from the engine compartment.
Granted it will be very hot, and not so good for detonation, but it would be interesting to see how much all the twists and turns are costing us.
I would be VERY interested in a setup that uses a slightly curved piece that draws air form up near the drivers side "fake" hood scoops on a Camaro. You would need a lot longer surge vale hose but nothing like the nightmare that it is now.
An almost straight shot to the impeller would pick up some efficiency, but how much?
I would do it myself, but alas i have no engine in my buggy right now. Since there are no complex curves the pipe can be made of material that won't collapse,and can be thermal coated to reject header heat.

 

http://www.bfranker.badz28.com/94z/94zmods.htm
This is where I got the initial info. I bought my Brad Brand Vortech Intake Tube from Atlanta Chasis Dyno 2-3 years ago.

Or you can do what LJ did and have someone custom build tubes http://para.noid.org/~lj/1000hp/1000hppage4.htm