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fan clutch source for 78 400

 
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Old 02-22-2019, 05:30 PM
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Originally Posted by NumberDummy View Post
I find it interesting that you used a NOS Motorcraft fan clutch on your 1978 F150 w/a 400 engine.

There isn't any such thing!

No 400 engine used in 1977/79 F100/350's had a fan clutch = none.

The only fan clutch used was on the companion 351M engine and only when A/C and/or the Trailer Tow Package was present.

No Ford passenger car with either a 351M (1975/79) or 400 engine (1971/79) used a fan clutch = none.

1977/79 F100/350 351M = D4TZ-8A616-A > > replaced by > > E1TZ-8A616-A .. Fan Clutch / Marked: D5TA-CA or EDD5TA-CA / use with A/C and/or Trailer Tow Pkg only.

There is NO Motorcraft part number for this fan clutch.

Bottom line: You have the wrong fan clutch.

What fan are you using with this fan clutch? If genuine Ford, it will have an ID number on it.

D8TZ-8600-A .. Fan-5 Blade / Marked: D8TA-AA / 19 1/2" diameter / 2 5/8" center hole / Application: 1977/79 F100/350 351M / Use with A/C and/or Trailer Tow.

AHH NECRO POST. Bring it back from the dead lol... Anyways, So what's the deal with this numberdummy? The MPC clearly shows to me there is in fact a fan clutch for a 400, and it lists the motor right there in the screen grab. In fact it's the same clutch for quite a few configurations, with X/C, SXC, With A/C, ETC... It also jives with my memory of my 78 f150 400 that was in fact all original with the same fan clutch it shipped with. It did have A/C however. You say in your response that NONE had it, but that seems ambiguous at best, if not inaccurate. This particular clutch is later replaced by an E1TZ-8A616A which is a YB-427.....

 
 
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