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| Performance Discuss Engine, Suspension, Drivetrain, and all other performance modifications here. |
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#1
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CPI or TBI
How do i know if my truck has a CPI or TBI 4.3 vortec. ITs a 2000 sonoma highrider.
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#2
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Re: CPI or TBI
its either CPI or some sort of another EFI system, i belive they discontinued the use of TBI in 1997 i'm not completely sure of the date on that but i know that all cars and trucks made past a certain year in the late 1990's are either CPI or MPFI (multi-port fuel injection) i think there might ba a few SEFI engines runing around also
the sad part is TBI is a much more reliable system than CPI
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NO! ,we can't stop here, this is bat country. Raoul Duke |
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#3
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Re: CPI or TBI
If the engine is stock then its Central Sequential Fuel Injection (CSFI). There is also an upgraded injection spider that is MPFI.
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2000 Chevy Blazer ZR2 Performance Mods: Numerous Suspension Mods: Some, but not enough Exterior Mods: Just Right 1987 Buick Turbo T Dark Red Low 11 sec sleeper ![]() .030 4.1 block, PT6262E, & other odds and ends.... My Cardomain |
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#4
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Re: CPI or TBI
Last year for the TBI was 1995 and replaced with the vortec 4.3.Some 1994 and 1995s were the early vortec 4.3s and 1995 is by itself.Yours has the 1996 and up vortec and you can tell by the 8th vin,a W of the 8th vin
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