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INT: integrator, aka short term fuel trim, is a value the PCM uses to adjust the injector pulsewidth based on the current oxygen sensor feedback. INTs usually change very rapidly, as in many times per second. An INT of 128 means that the PCM is calculating the right injector pulsewidth for the current conditions. An INT below 128 means that the PCM has to take out fuel to get the mixture right (the PCM calibration is too rich). An INT above 128 means that the PCM has to add fuel to get the mixture right (the PCM calibration is too lean).
I would leave the radiator alone, buy a B&M Supercooler for the tranny and forget the engine cooler. I hope he did not block off the oil cooler but instead, removed the oil cooler adapter from behind the filter. Blocking the ports in the adapter will force all the oil thru the bypass and I think that will reduce oil flow as I look at the piece.
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Are you wearing the t-shirt you got from me? It has super powers, you know?The low fuel pressure could be contributing to the high INTs.QuoteINT: integrator, aka short term fuel trim, is a value the PCM uses to adjust the injector pulsewidth based on the current oxygen sensor feedback. INTs usually change very rapidly, as in many times per second. An INT of 128 means that the PCM is calculating the right injector pulsewidth for the current conditions. An INT below 128 means that the PCM has to take out fuel to get the mixture right (the PCM calibration is too rich). An INT above 128 means that the PCM has to add fuel to get the mixture right (the PCM calibration is too lean).I bet if you raise the fuel pressure to spec this should level off some. The other possibility is a vacuum leak or injectors that are out of spec for the chip.
If you have a remote tranny cooler, you should not need the one in the radiator unless the external cooler is tiny and I doubt that.
Unless you are roadracing the car, or similar abuse, they can do without an external oil cooler, or the one in the radiator.
Look at the first and second pictures http://www.vortexbuicks-etc.com/frontcover.htm That is the stock oil cooler adapter. If you plug those two fittings, it will force all the oil to circulate thru the bypass which is somewhat restrictive before it gets to the oil filter. If you are not using a oil cooler, you can remove that adapter, or you can loop the hoses to connect the two fittings. I would guess that he removed it when he installed the remote filter, but without looking at it, I have no clue.
Presume GMPFI means port fuel inj - guessing that noid light
Quote from: Steve Wood on August 18 2012, 11:27:42 AM If you have a remote tranny cooler, you should not need the one in the radiator unless the external cooler is tiny and I doubt that. It's a B&M Supercooler that I got from ATR years and years ago. QuoteUnless you are roadracing the car, or similar abuse, they can do without an external oil cooler, or the one in the radiator. Well, that was kinda what I wanted to do with it... QuoteLook at the first and second pictures http://www.vortexbuicks-etc.com/frontcover.htm That is the stock oil cooler adapter. If you plug those two fittings, it will force all the oil to circulate thru the bypass which is somewhat restrictive before it gets to the oil filter. If you are not using a oil cooler, you can remove that adapter, or you can loop the hoses to connect the two fittings. I would guess that he removed it when he installed the remote filter, but without looking at it, I have no clue.
Quote from: daveismissing on August 18 2012, 11:39:09 AMPresume GMPFI means port fuel inj - guessing that noid lightI would guess you would have guessed wrong