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-   -   20 psi? Hmmmmm! (https://www.nopistons.com/insert-bs-here-12/20-psi-hmmmmm-70244/)

1988RedT2 07-14-2008 08:28 AM

So yesterday I'm out tootling in the teetoo, and I romp on it a couple times. Feels pretty frisky. Pulling in third, I look down at the boost gauge. 20 PSI!!!! WTF? I could have sworn I had it set around 13-15.



I checked under the hood. All the lines are hooked up. Time to check the operation of the manual boost controller, I supposes. https://www.nopistons.com/forums/pub...>/rolleyes.gif

jwteknix 07-14-2008 09:17 AM

Uh oh...

j9fd3s 07-14-2008 10:39 AM

yep! must be fun though

mazdaspeed7 07-14-2008 10:52 AM

Thats right around where my friends 87 TII was running with the wastegate vacuum line disconnected(21-22 psi).

jwteknix 07-14-2008 10:55 AM

yeah i acually had the barb blow out of the turbos compressor housing did the samething

defprun 07-14-2008 07:24 PM

I pulled 25 and 30 psi in my merkur xr4ti with the wastegate gone...that motor went out in a blaze of glory the following year.



...it had 400 000km's on the motor though.

1988RedT2 07-14-2008 07:38 PM

Yeah, I wasn't too concerned since the fuel map in the Haltech would cover it up to 30, within the limitations of the 750 cc/min secondaries. Still, it's a bit higher than I want to run with the stock hybrid turbo.

psyclo 07-14-2008 09:05 PM

Had that happen one night screwing around. I think the Greddy boost controller had a brain fart or something. Thank god for boost gauges!

RX7 13B 4 UR AZZ 07-19-2008 01:49 PM

I go overkill with boost control. I put like 3 zip ties on my vac lines. On ecu's on FPR's, Wastegate's i just dont want to take any chances. 1 gone vac line could equal 1 gone motor. But i also have a popoff valve so if there is any boost above 2-3 psi over what i set my boost controler at boost gets realeased. Safety first.

ColinRX7 07-23-2008 09:29 AM

Use synflex and brass



http://www.accessconnect.com/images2/20946.jpghttp://www.airtronicsinc.net/images/...s-fittings.jpg





-150 PSI capable

-No risk of blowing off

-Cheap, cheap, cheap.


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