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 Turbo / Extractors - Both?  

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prophecy
  • prophecy
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  • Member No.: 2,000
  • Joined: 22-March 03
  • Posts: 2,332
Post #1 post 16th May 2004 - 07:19 AM
i was trying to figure out if my june 1987 vl was a series 2 motor or not, for consideration of the turbo conversion.. just an idea in the back of my head.. and i realised, turbos spool off the exhaust right? so can a turbo work with extractors? since they go straight from the motor to the cat...

now wouldn't a turbo setup have a manifold going to the turbo.. then the turbo back would be the exhaust system? :\ and how do i double check if my vl is a s2?
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modlogic
Post #2

Can't help you with how to tell whether your motor is a S2 or not. Since turbochargers ARE exhaust driven, they are mounted on a manifold leading straight from the exhaust ports to the turbine housing of the charger, which is (from factory) usually both cost effective to the manufacturer, and efficient enough for stock to moderately modified applications. If shooting for big HP, you would be aiming to mount a large aftermarket turbo, which would in turn require the use of a 'tuned length' manifold of either mild steel or stainless construction. Using 'extractors' in a standard turbocharged application will give little or no benefit.

Hope that helps.

84NGU
Post #3

on my bros rex he just got a set of custom extractors installed.


Mo$$y

s13viper
Post #4

well they are KIND of extractors

u cant have both tho, in a turbo car its a called a exhuast manifold, and is specially designed for the turbo.
TwinCam16
Post #5

a custom turbo manifold is justa short set of extractors... sure there are different kinds, designs lengths bla bla bla, but at the end of the day, your connecting 6 pipes into one smile.gif

avalonea
Post #6

to check if your engine is a series 2, look for bit 22mm * think* nuts screwd into the side of your block tongue.gif

`josh

Paolo
Post #7

My car has a neat Stainless Steel manifold

SilverSZ
Post #8

don't get a custom manifold confused with real extractors as most people do.....extractors are a custom manifold that has calculated lengths of tubing to ensure the best flow at a certain rpm.....

there is one "perfect" distance from port to exhaust wheel (at a specific rpm) so you could have a "extractor" turbo manifold but that distance would be bloody hard to calculate and may be impossible to achive....ie. could be 2m or 2mm length pipes

MAR71
Post #9

Turbo + Extractors aint worth your while man..

boostndatto^
Post #10

get a vl turbo motor and drop that into it and youl be lovin it cause its all there and they go hard

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