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302/5.0 ID Help

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Old Sep 5, 2019 | 01:51 PM
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302/5.0 ID Help

I picked up this short block today, guy said it was "buildable" and the price was right. So I get it home and start looking for casting numbers and this was all I could find. It is a roller block so that should be a clue as to the year. Lifter valley has "XXX" castings and a "Ford" oval but no other numbers. Most web sources are good about decoding numbers but not so much when it comes to locating them on the block. Any help would be appreciated...


 
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Old Sep 5, 2019 | 02:31 PM
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Well you did say ANY help? And its not much, just something to keep in mind that you probably knew anyway. My next project is a '56 panel and I have a 302/5.0 HO out of a '92 LSC, the HO apparently has a different firing order then the ordinary 302, so the HO must have at least a different camshaft. I would guess that (Murphy works overtime in my life) it would be possible (probable) to mismatch the parts?
 
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Old Sep 5, 2019 | 02:44 PM
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I thought the identifying numbers were above the starter
 
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Old Sep 5, 2019 | 02:47 PM
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Somewhere along the line Ford moved the block casting numbers for the 302 from a straight line above the starter to the bellhousing web near the same location. They're a little tougher to find, but try looking here...





 
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Old Sep 5, 2019 | 02:49 PM
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My 351 is stamped on a machined surface..
 
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Old Sep 5, 2019 | 02:51 PM
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Here is the casting on the right side of the bellhousing flange (same location as you have shown Wayne)...


 
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Old Sep 5, 2019 | 02:54 PM
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Originally Posted by 56panelford
My 351 is stamped on a machined surface..
John, are you talking about numbers that look like this, here? That's not a casting number, but a partial vin from the donor vehicle.

 
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Old Sep 5, 2019 | 02:56 PM
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Originally Posted by CharlieLed
Here is the casting on the right side of the bellhousing flange (same location as you have shown Wayne)...


F1SE, so it's 91 or newer. The little screwed on tag looking thing hanging off the bottom would be the date code.

 
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Old Sep 5, 2019 | 03:02 PM
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xxx in the valley means it has the 5.8 firing order, so it's either a mustang motor, or a 94 or later f 150 motor
 
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Old Sep 5, 2019 | 03:08 PM
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That is another oddity...no stamping on the machined area behind the intake...


 
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Old Sep 5, 2019 | 03:15 PM
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Originally Posted by 52 Merc
John, are you talking about numbers that look like this, here? That's not a casting number, but a partial vin from the donor vehicle.

It's been awhile since I looked but went and checked a conversation I had on another site and the numbers were cast above the starter not stamped. My stamped ones were on the top as in your picture
 
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Old Sep 5, 2019 | 03:39 PM
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Originally Posted by 52 Merc
F1SE, so it's 91 or newer. The little screwed on tag looking thing hanging off the bottom would be the date code.

F1SE is 1991 Thunderbird/Cougar, block may have been used in other cars as well.

Casting numbers are foundry marks, cannot be cross referenced to Ford part numbers.
 
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Old Sep 5, 2019 | 03:44 PM
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I did find a date "tag"...7M4
Since this is a roller block is it safe to assume that the year is 1997?
 
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Old Sep 5, 2019 | 04:39 PM
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Originally Posted by NumberDummy
F1SE is 1991 Thunderbird/Cougar, block may have been used in other cars as well.

Casting numbers are foundry marks, cannot be cross referenced to Ford part numbers.
Tbirds/ Cougars used the same ho blocks as the mustangs.
95 last year for 5.0 in Mustang T bird/ cougar
97 was the last year for the 5.0 in f 150
2001 last year for 5.0 Explorer
 
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Old Sep 5, 2019 | 05:05 PM
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here is a manifold that is period correct for that block
 
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