so i know how much to get the drive shaft shortend and balanced cuz it looks to be about 2/3 inches to long on my d150 pick up

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87 d150 2bbl carb 225
79 f250 300 v8
97 cavalier z24
83 f150 straight 6
89 f450 diseal 4x4 dually 5sp

2/3rds of an inch (0.66")?

From the front face of the trans to the U-joint center-line of the yoke on at A-904 it's 34.12", A-727 is 38.13" or 4.01" longer. This is from my old Direct Connection chassis book. I would measure your 904 and 727 to be sure.

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Joshua

ya ill just messure the lengght of the diff to rear end with the shaft yoke in the tranny n figure it out i gues thanks dude

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87 d150 2bbl carb 225
79 f250 300 v8
97 cavalier z24
83 f150 straight 6
89 f450 diseal 4x4 dually 5sp