Engine identification?
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New User
Joined: Apr 2003
Posts: 15
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From: Pennsylvania
Engine identification?
hi i have a 1979 f-250 8ft stepside. im in the process of restoring it. i got the whole front clip off and im in the process of tearing the engine out. we were trying since i got it two months ago to find out what the engine is. it looks like the engine has been replaced. so i was wondering if anyone knows engine block codes to identify it or anyone knows any other way to identify it.
thanks
thanks
New User
Joined: Jan 2008
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Engine identification?
Post this info when you go look.
1)What is the 4th character of the VIN #
2) How many valve cover bolts?
If it has 8, it is either a 351M or a 400.
In which case you will need to measure the stroke.
The 400 has a 4" stroke
If it has 6 it is a 302
If it has 7 it is a 460.
1)What is the 4th character of the VIN #
2) How many valve cover bolts?
If it has 8, it is either a 351M or a 400.
In which case you will need to measure the stroke.
The 400 has a 4" stroke
If it has 6 it is a 302
If it has 7 it is a 460.
Lead Driver
Joined: Oct 1999
Posts: 6,765
Likes: 547
From: Kalispell, MT
Engine identification?
Originally posted by justin_tractors
i checked the engine and it has six bolts on the valve cover. but we checked the fireing order and it says it is a 351m.or a 351w or a 400.
i checked the engine and it has six bolts on the valve cover. but we checked the fireing order and it says it is a 351m.or a 351w or a 400.
The 302 and 351W both use 15426378 with 6 bolt valve covers. Both are Windsor engines.
The 351M/400 use 13726548 and have 8 bolt covers.
Junior User
Joined: Apr 2003
Posts: 69
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From: Fayetteville,AR
Engine identification?
Originally posted by mtflat
So which firing order is it?
The 302 and 351W both use 15426378 with 6 bolt valve covers. Both are Windsor engines.
The 351M/400 use 13726548 and have 8 bolt covers.
So which firing order is it?
The 302 and 351W both use 15426378 with 6 bolt valve covers. Both are Windsor engines.
The 351M/400 use 13726548 and have 8 bolt covers.
It is true that the 351w and 302 have 6 hole valve covers. The only way that I know to find out about the block is to look in the lifter valley. The engine size should be cast in raised numbers.
However, since the 302 and 351w intakes won't swap you can use the casting numbers from the intake to determine what it is.
I maybe way off base. In which case disregard.
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Lead Driver
Joined: Oct 1999
Posts: 6,765
Likes: 547
From: Kalispell, MT
Engine identification?
Yeah, I'm sure I'm wrong!!!!!!!
Sorry - read the book wrong and the brain didn't kick in to override the error. Duh.
351W 351M/400 share the same firing order.
Sorry - read the book wrong and the brain didn't kick in to override the error. Duh.
351W 351M/400 share the same firing order.
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Elder User
Joined: Oct 2002
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From: Seattle/Tacoma Washington U.S.A.
Engine identification?
yep sounds like a 302 to me.. 302 Windsor, same thing I have, the firing order is 15426378, easy'st way to find out if the engine was the same size from the factory is to look at the vin and if you have a chilton manual for your truck, it says in the first couple of pages how to Identify what your truck has by the VIN #.
P.S. The 302 in my opinion is the bes all arround motor for our trucks . Mine is a F-100 Shortbox, and I love it to death, but... If you are going to be doing alot of towing you will prob want to ither put a 351 in it or get the tourque up on the 302. And if it is going to be a daily driver... Well then the 302 is your best bet. And mattsbox is right, there are more parts for the 302 then almost any other engine. And the parts are fairly cheaper then 400 or 351 parts... Do you have an automatic tranny or 3 speed?
P.S. The 302 in my opinion is the bes all arround motor for our trucks . Mine is a F-100 Shortbox, and I love it to death, but... If you are going to be doing alot of towing you will prob want to ither put a 351 in it or get the tourque up on the 302. And if it is going to be a daily driver... Well then the 302 is your best bet. And mattsbox is right, there are more parts for the 302 then almost any other engine. And the parts are fairly cheaper then 400 or 351 parts... Do you have an automatic tranny or 3 speed?
Senior User
Joined: Mar 2003
Posts: 432
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From: up state N.Y.
Engine identification?
The 302 H.O. has the same fireing order as the 351w I do belive.That's why you might have the H.O.,and 351w fireing order.Don't hold me to my word couse it's been a while scice I played with the 302's!But just from the memory's they are awsome engine's.