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| 3800SC rd gen question (Page 1/1) |
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Lou6t4gto
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DEC 18, 01:04 PM
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BEEN HANDED A 1/2 finished 3RD GEN 3800SC to finish. does a 3rd gen with a northstar throttle body USE a MAP sensor, or only the MAF ? thanks
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olejoedad
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DEC 18, 01:23 PM
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Both.
Wire it and run it as a Series 2, use the Series 2 MAP, N* TB and LQ4 MAF.
Be careful of minor wiring differences on TPS and MAF, as compared to Series 2 pinouts.
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Dennis LaGrua
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DEC 18, 03:02 PM
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| quote | Originally posted by olejoedad:
Both.
Wire it and run it as a Series 2, use the Series 2 MAP, N* TB and LQ4 MAF.
Be careful of minor wiring differences on TPS and MAF, as compared to Series 2 pinouts. |
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That's what we do.
Just like to add that if the 3800SC series III is an auto swap , you will need to use only the 2003 PCM as that is the only series II computer that will shift the later 4T65eHD trans. If its a stick use any series II PCM. Now with the LQ1 or N* TB slight adjustment to the TB table will be required. If you use the early LS1 MAF sensor then the entire MAF table must be imported into the PCM program. Then slight adjustments can be made from there by monitoring the STFT and LTFT Easy to do with HP Tuners editor.
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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE " [This message has been edited by Dennis LaGrua (edited 12-19-2019).]
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