best aftermarket boost gauge

alancordeiro at alancordeiro at
Wed Sep 17 19:58:51 PDT 2008


There is a slight difference in two terms

Overboost function:  allow slightly more boost for a very short period,

Overboost cutoff:  Action taken to protect the engine if a dangerous level 
of boost is detected.

I believe Taka was referring to the first, and you were describing the 

----- Original Message ----- 
From: "Mike Miller" <mikemilr at>
To: "Taka Mizutani" <t44tqtro at>; <centaurus3200 at>
Cc: "200q20V mailing list" <200q20v at>
Sent: Wednesday, September 17, 2008 10:16 PM
Subject: Re: best aftermarket boost gauge

> Beg to differ - the stock 3B ECU does have an overboost function. When you 
> hit it, it grounds the fuel pump, causing major engine cutout/surging and 
> you will not get above 1.3 bar until the ignition is cycled, resetting the 
> ECU.
> Want to test it? Just take a clamp and clamp off the hose to the 
> wastegate. BTDT.
> mike
> ----- Original Message ----- 
> From: Taka Mizutani
> To: centaurus3200 at
> Cc: 200q20V mailing list
> Sent: Wednesday, September 17, 2008 5:43 PM
> Subject: Re: best aftermarket boost gauge
> Robby-
> There is no overboost function in a 3B ECU, you need an AAN, ADU or 
> similar
> ECU for that function.
> _______________________________________________
> 200q20v mailing list 

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