71 400 piston
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Freshman User
Joined: Aug 2003
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71 400 piston
Anybody ever eard of these pistons
http://cgi.ebay.com/ebaymotors/ws/eB...category=33623
I saw that on ebay today an I was wondering if anybody know these???
Are they good one or not?
I am starting looking to rebuild my 351m and I have the temtation to make it a 400!!!
http://cgi.ebay.com/ebaymotors/ws/eB...category=33623
I saw that on ebay today an I was wondering if anybody know these???
Are they good one or not?
I am starting looking to rebuild my 351m and I have the temtation to make it a 400!!!
Posting Guru
Joined: Aug 2000
Posts: 2,416
Likes: 4
From: PacNW
Those look suspiciously like your basic, cast 400 "rebuilder" piston complete with low compression dish. The description reads "direct replacement for the higher compression flat top 1971-79 400 Ford pistons". While technically true these are quite obviously not flat top pistons so you won't be gaining anything C.R.-wise by installing these pieces.
Also since the stock compression height of the 400 is 1.647" not 1.630" like the seller says, it's another clue that these are nothing more than pistons which have a .020" lower compression height to compensate for any block decking the rebuilder might do.
Also since the stock compression height of the 400 is 1.647" not 1.630" like the seller says, it's another clue that these are nothing more than pistons which have a .020" lower compression height to compensate for any block decking the rebuilder might do.
Posting Guru
Joined: Aug 2000
Posts: 2,416
Likes: 4
From: PacNW
Yes the 71 400 pistons did have a small dish (+/- 8cc) but the pistons on eBay appear from the pictures have a much larger dish which looks a lot like a basic 72 & up piston. I'm not saying these pistons aren't worth $16 a piece but I think the seller is being a little bit deceptive about what these pistons really are.
My final words on the subject: Caveat Emptor.
My final words on the subject: Caveat Emptor.
