I Installed a [88-3.0 in to a 93 car]used same computor ,It been 8 or so yr's.spark could be controled differently. crank/flywheel sencer. so if you can use same spark control that was with body, may help. from winshild back its the same,the front is different longer front fender's. But the 3.0 will go right in a 124.026 body 190 2.8, Is that what you are talking about. . But you need to provide more info, for help.

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30 yr's still in love