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Tech & Fab
"Dirty White Girl" the 85' TOYOTA 4RUNNER
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<blockquote data-quote="84mallcrawl" data-source="post: 535373" data-attributes="member: 8864"><p>I would look closely at the ms2 megasquirt. the 1uz engine is really an odd ball engine when it comes to the ecu controls. the ecu has 2 sides to it a fuel side and an ignition side. the ignition side is two 4 cylinder ignitions tied together with 2 ignitors, 2 coils, 2 distributors, and 10 plug wires. the ignitors are standard toyota units, the coils look like a standard toyota unit but they have a very low primary resistance requirement. the mass air meter on them is also different, it uses a light and vibrating mirror to measure air flow. the engine will run without the aiirflow sensor. The number one killer of all the cars that came with this engine orginally is the capacitors in the ecu. If your engine came from a SC400 it has a secondary hydraulic pump where the water pump would be on a SBC. the LS400 version has an idler there</p></blockquote><p></p>
[QUOTE="84mallcrawl, post: 535373, member: 8864"] I would look closely at the ms2 megasquirt. the 1uz engine is really an odd ball engine when it comes to the ecu controls. the ecu has 2 sides to it a fuel side and an ignition side. the ignition side is two 4 cylinder ignitions tied together with 2 ignitors, 2 coils, 2 distributors, and 10 plug wires. the ignitors are standard toyota units, the coils look like a standard toyota unit but they have a very low primary resistance requirement. the mass air meter on them is also different, it uses a light and vibrating mirror to measure air flow. the engine will run without the aiirflow sensor. The number one killer of all the cars that came with this engine orginally is the capacitors in the ecu. If your engine came from a SC400 it has a secondary hydraulic pump where the water pump would be on a SBC. the LS400 version has an idler there [/QUOTE]
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"Dirty White Girl" the 85' TOYOTA 4RUNNER
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