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View Full Version : Boost Activated Exhaust Cutout!


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tpunx99GSX
06-26-2006, 01:17 AM
http://www.jcwhitney.com/autoparts/Product/tf-Browse/s-10101/Pr-p_Product.CATENTRY_ID:2006307/showCustom-0/p-2006307/N-111+10201+600001731/c-10101
cant beat this for the price for sure.

rst95eclipse
06-26-2006, 06:40 PM
Nothing against you bro, but that just looks cheap.

94talonawd
06-26-2006, 09:47 PM
It Works.

Jakey
06-26-2006, 09:58 PM
Repost, yea it looks ok except airflow does not like 90 Degree angles ;) So thats a shitty design.
Check out how FP mounts their wastegates:
http://linux.forcedperformance.net/merchant2/graphics/00000001/full/NTFP3052_full.jpg

A cutout with a switch works better so you dont open it everytime you boost around town.
I have an idea which I believe would remedy this. It would be an adjustable, boost activated cutout based off of intake manifold pressure.

A//// Guy
06-27-2006, 12:11 PM
90 degrees with some curve to it will outflow a straight cut 90 degree turn. Im pretty sure that tial casting has a curved wall on the inside.

Goat Blower
06-27-2006, 12:28 PM
I have an idea which I believe would remedy this. It would be an adjustable, boost activated cutout based off of intake manifold pressure.
You're in luck. The first post shows a company selling that very product.

Goat Blower
06-27-2006, 12:31 PM
FP's design isn't the absolute perfect design, but it's plenty close enough for 99.9% of the DSM crowd and it's much easier to package.

I'm installing that very setup right now, we'll just say the bigger turbo oil drain lines up perfectly with the 1G front motor mount. Crap. And that 02 housing setup in the picture is a hell of a lot nicer than the stupid 02 pipe they sell off the shelf that doesn't line up with any known exhaust system.

tpunx99GSX
06-27-2006, 12:51 PM
You're in luck. The first post shows a company selling that very product.
LMAO, i was thinking the same thing.

Jakey
06-27-2006, 09:46 PM
You're in luck. The first post shows a company selling that very product.

Nah, mine's different. I'm thinking something along the line of having a pressure transducer mounted near the throttle body inlet and rotating the butterfly valve with a linear actuator. The pressure transducer would be fed into a small controller mounted in the cab which would allow full manual control over the valve or automatic control of the valve based off of boost pressure (using the readings from the pressure transducer).

slowbubblecar
06-27-2006, 11:17 PM
we'll just say the bigger turbo oil drain lines up perfectly with the 1G front motor mount.
You are in the same situation I was in just before the LSE dyno day then huh?