actuator question

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Apr 27, 2007 | 01:08 PM

andre_k

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From: Lincs

actuator question

how can i tell if my s2 is fitted with a -31 actuater, whats the differance between that and a standard one?

Apr 27, 2007 | 01:09 PM

Charlie Chalk

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From: ...

on the top surface, there will be some digits, the last ones will be -31

Apr 27, 2007 | 01:10 PM

xr4x4rs

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From: coventry

im usre the genuine garret actuators have -31 stamped in them at the back

Apr 27, 2007 | 01:22 PM

tabetha

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As said just written on front.
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Apr 27, 2007 | 02:56 PM

cozmeister

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From: In my Cosworth

The difference between the standard -18 (on a Cossie anyway) and a -31 is that the -31 has a stronger spring, which holds the wastegate shut longer, reducing the time it takes the turbo to spool up

Apr 27, 2007 | 04:25 PM

tabetha

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It does not affect spool up at all, it merely holds the wastegate shut against MORE pressure so it can provide more, but the spool is not affected as pumping remains the same.
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Apr 29, 2007 | 05:06 PM

andre_k

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From: Lincs

its just im getting a chip on my s2 on weds and i was wondering if my actuater is a -31

it is needed for 14 or so psi on a s2 isnt it?

i will take a pic shortly

actuator question

actuator question

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