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Discussion Starter · #1 ·
My boss bought an 88 3.0 automatic and put it into a 91 p.u. over a year ago. He wants me to hook it up and get it running for him. Can anyone give me any advice on what intake to use. The 91 has a manuel tranny. There are a few other things that dont match the wiring harness like the injectors whitch I have already swaped to make them adapt. Actually its the Plenium that I am wondering whitch on to use. Can I hook up an automatic Plenium on to a manuel truck. Any help would be great. Thanks.
 

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Cressida nut
91 Pickup (Hilux)2wd
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4,582 Posts
yes, match everything to the ECU/harness you're using. transmission won't matter.
 

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Soylent Green sales
rock crawler
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12,630 Posts
Since the same ECM that controls the EFI also controls the auto trans, you'll want to keep the 91's ECM for the manual trans.

If you put the 88's ECM in the 91 w/manual trans, the ECM will be expecting signals from an auto trans that isn't there.
 
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