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Old 03-25-2004, 10:56 PM   #1
Pedestrian
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Default Defi boost gauge help

I just installed my defi boost gauge, and everything went pretty smooth, except for when I get on it, the boost doesn't read past 7 or 8 psi. I attatched the vacum hose to where the stock boost gauge's hose was. It wasn't the tightest snug fit, but it wasn't loose either. Does anyone know what my problem may be? Could the hose be leaking boost due to the hose being too big for the little brass connecter coupler thingy?

Thanks,
Ben
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Old 03-26-2004, 09:18 AM   #2
sneeky
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you can try to zip tie the bastard, don't know if it'll make a difference but maybe you're leakin a little... just my .02 cents. also, most people are running the t-connector in the vacuum line behind the bov, or if you still have he stock bpv. that's where i put mine and it reads fine. where is the stock hose located anyway?? i didn't get one with my sti, by choice.


chris
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Old 03-26-2004, 11:22 AM   #3
CalcVictim
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I second the leak opinion, or possibly shyty guage.
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Old 03-26-2004, 11:33 AM   #4
mbiker97
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You don't want to run the brass restrictor (it is not needed for aftermarket electirc gauses). Just attach the line from the sensor directly to the stock "T".
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Old 03-26-2004, 08:48 PM   #5
ronaldwrx
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your defi gauge came with a brass restrictor?

i just T'd mine off the bov vacuum - the defi hose is a different size than the stock vacuum hose so i went to autozone and bought a coupler that matched the two sizes together .. to be on the safe side i put zip ties on them too ..

so it actually goes T in stock BOV vaccum line to small section of hose in same size and then coupler to smaller Defi hose size - the Subaru oem boost gauge install shows them doing something similar .. i have a PDF of that manual somewhere .. i think stock is 1/4 and the defi is 3/16?


deif link or d-gauge?


http://www.defi-shop.com/product/met...er_inst.html#4
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Old 03-27-2004, 02:00 AM   #6
Pedestrian
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Thanks for the advice, I skipped the brass restrictor and attatched it strait to the t behind the bov, and it works like a charm. THanks again.
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