1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

turbo boost

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Old Aug 10, 2005 | 01:28 PM
  #1  
12anitroussandrail's Avatar
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From: cali
turbo boost

i have a 83 12a street ported with a t3/t4 hybrid turbo in a sandrail. i am using a holley 650 no intercooler with 105 octane fuel. i was wondering how much boost i could put to it.
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Old Aug 10, 2005 | 01:35 PM
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From: 3OH5
No intercooler, and hot desert sun...

6-7 PSI safely.

Add some water injection - 10-12 psi.
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Old Aug 10, 2005 | 03:08 PM
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From: wishing i was back in FL
10psi with the 105 octane. as directfreak said.. get some water/meth mix injection on there and hit up as high as you like. just watch your egt's!
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