PTK + Twin IC Pressure Drop?
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Joined: Dec 2000
Posts: 1,320
From: Alta Loma, CA
PTK + Twin IC Pressure Drop?
I am ready to order my PTK kit with a PT-76GTS turbo, but would like to go with a twin IC setup rather then the FMIC due to engine cooling and weigh placement.
What I planned on doing was have the turbo outlet Y out to the two sides of the car to the ICs, and then come back up and Y back together in front of the TB (similar to another prominent members car).
My question is, would having the output of the turbo Y out cause a disruptance in the air flow and cause a pressure drop? Would the properties of a single continuous pipe (like the standard FMIC setup) leading off the turbo be much better?
What I planned on doing was have the turbo outlet Y out to the two sides of the car to the ICs, and then come back up and Y back together in front of the TB (similar to another prominent members car).
My question is, would having the output of the turbo Y out cause a disruptance in the air flow and cause a pressure drop? Would the properties of a single continuous pipe (like the standard FMIC setup) leading off the turbo be much better?
Registered User
Joined: Jan 2003
Posts: 799
From: Breese, IL
Re: PTK + Twin IC Pressure Drop?
The Y should not cause a pressure drop... It's a pretty smooth transition.
All intercoolers will induce a pressure drop though. I'm not sure how much of a drop the twins produce vs. the FMIC. Someone else can chime in on that.
The good thing about turbos is that you can control the amount of boost in the intake though. Run your wastegate line from the intake and you shouldn't see any pressure drop (if the turbo is not already maxed out). The turbo will spin a little faster and your pre-intercooler tubing will see higher pressures than before adding intercoolers though.
All intercoolers will induce a pressure drop though. I'm not sure how much of a drop the twins produce vs. the FMIC. Someone else can chime in on that.
The good thing about turbos is that you can control the amount of boost in the intake though. Run your wastegate line from the intake and you shouldn't see any pressure drop (if the turbo is not already maxed out). The turbo will spin a little faster and your pre-intercooler tubing will see higher pressures than before adding intercoolers though.
Thread Starter
Registered User
Joined: Dec 2000
Posts: 1,320
From: Alta Loma, CA
Re: PTK + Twin IC Pressure Drop?
Originally Posted by Roadie
The Y should not cause a pressure drop... It's a pretty smooth transition.
All intercoolers will induce a pressure drop though. I'm not sure how much of a drop the twins produce vs. the FMIC. Someone else can chime in on that.
The good thing about turbos is that you can control the amount of boost in the intake though. Run your wastegate line from the intake and you shouldn't see any pressure drop (if the turbo is not already maxed out). The turbo will spin a little faster and your pre-intercooler tubing will see higher pressures than before adding intercoolers though.
All intercoolers will induce a pressure drop though. I'm not sure how much of a drop the twins produce vs. the FMIC. Someone else can chime in on that.
The good thing about turbos is that you can control the amount of boost in the intake though. Run your wastegate line from the intake and you shouldn't see any pressure drop (if the turbo is not already maxed out). The turbo will spin a little faster and your pre-intercooler tubing will see higher pressures than before adding intercoolers though.
Last edited by snorkelface; Jan 31, 2006 at 01:08 PM.
Registered User
Joined: Aug 1998
Posts: 1,384
From: Los Angeles, CA
Re: PTK + Twin IC Pressure Drop?
I'm ditching the older twin intercooler set up on my D1 you are welcome to try it out, from what I read the new twin intercooler set up is about 1.4 inches thicker and cools better, however there is no way it'll fit the LT1 cars. You might try going with INTMD8's vertical twin intercooler set up and see how it fits. In the end the twin inter coolers and all of the piping to run it will probably weigh as much as a single FMIC if not more.
-B
-B
Thread Starter
Registered User
Joined: Dec 2000
Posts: 1,320
From: Alta Loma, CA
Re: PTK + Twin IC Pressure Drop?
Originally Posted by blown383
I'm ditching the older twin intercooler set up on my D1 you are welcome to try it out, from what I read the new twin intercooler set up is about 1.4 inches thicker and cools better, however there is no way it'll fit the LT1 cars. You might try going with INTMD8's vertical twin intercooler set up and see how it fits. In the end the twin inter coolers and all of the piping to run it will probably weigh as much as a single FMIC if not more.
-B
-B
Maybe I can upgrade in the future after I can sell the FMIC, and am revived from spending all this money.
Does $1k sound right for that extra custom piping?
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