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Old 23 Mar 2010, 07:39 pm
Jcamden's Avatar
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Default 2 Questions

I have a turbo lite setup and am running on regular. Would it be safe to use a higher octane or should I just buy the S1 pcm and run the higher octane anyway.

Other question is, I recently installed a boose/vac gauge and am noticing that the vac starts out at around 20 "hg" i think is the term. Then while im driving it will move up to around the 27 to 30 range and hold. Normal?

Thanks in advance..
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Old 24 Mar 2010, 08:58 am
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Default Re: 2 Questions

1) You can put in premium, but it won't do anything except empty your wallet faster.
If you do go Stage 1, you will need premium.
2) Hg is the chemical symbol for mercury. Inches of mercury is used to measure atmospheric pressure - roughly, 30 inches of mercury is normal at sea level - more is "high pressure", less, "low pressure".
I don't have a boost gauge, so I don't know more.
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Old 24 Mar 2010, 09:54 pm
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Default Re: 2 Questions

Quote:
Originally Posted by Jcamden View Post
I have a turbo lite setup and am running on regular. Would it be safe to use a higher octane or should I just buy the S1 pcm and run the higher octane anyway.

Other question is, I recently installed a boose/vac gauge and am noticing that the vac starts out at around 20 "hg" i think is the term. Then while im driving it will move up to around the 27 to 30 range and hold. Normal?

Thanks in advance..

when letting off the clutch at any rpm i see 25-30 "hg"... it means you have NO boost leak. at idle it should sit at 18-20 "hg". premium is your choice, at $3.00 per tank diff i would error on the side of safety. IMHO.



Josh


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