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1980 Rotunda Electronic Engine Control System Tester - used

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1986F150Six

1980 Rotunda Electronic Engine Control System Tester - used

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https://www.ebay.com/itm/FORD-ROTUNDA-T80L-50-EEC-II-1980-Electronic-Engine-Control-System-Tester-Extra/124251504565?hash=item1cedf77fb5:g:7YwAAOSwcRdfBPI5

Gary Lewis

Re: 1980 Rotunda Electronic Engine Control System Tester - used

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That's expensive as well! But it is interesting. I didn't know that in '81 the 4.9L, 5.0L, & 5.8L had an MCU. Dad's '81 w/a 5.8L 351M sure didn't. I guess that was in California? And/or in cars?

Gary, AKA "Gary fellow": Profile

Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI

1986F150Six

Re: 1980 Rotunda Electronic Engine Control System Tester - used

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The 4.9L was for trucks, only.

Gary Lewis

Re: 1980 Rotunda Electronic Engine Control System Tester - used

Administrator

True, so some truck had the MCU. Gotta be CA.

Gary, AKA "Gary fellow": Profile

salans7

Re: 1980 Rotunda Electronic Engine Control System Tester - used

Yes, 1980 was the last year for vacuum controlled emissions in California as in 1981 they started putting the MCU in the trucks.