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Do your core plugs look like a huge 6 sided allen wrench would fit in the center?? The best information to find what you have has already been posted by BADDAD457. Does your block have raised vertical ribs on the outside of the block down by the cross bolt mains?? And more importantly, is there a raised horrizontal ridge running lengthwise between your frost plugs and your cross bolts?? Are there 3 small plugs in this runner that look like allen bolts between the frost plugs and the cross bolt (note this raised ridge will only be on the drivers side of the block)
Twisted, BadDad is talking about the 427 marine castings maybe. They were cast as sideoilers and drilled as topioilers. The sideoiler galley is cast but not machined on these blocks. In some cases the galley was shaved to clear some marine motor mount applications. Marine blocks also came with brass screw in plugs.
Good information on the marine stuff. I thought my factory alluminum tunnel port heads must be something for marine as they had no passages for coolant flow on the deck surface, until I found out that they were part of a small run of all aluminum 427 tunnel ports for the 1968 Can Am series that never took place. I still have photos of the bare heads somewhere.
This wasn't a marine 427 at all. It was a Meduim Riser out of a 67 Fairlane. It had medium riser heads, cross drilled steel crank, Lemans rods. There were lots of side oiler cast blocks drilled as centeroilers.
I'm apt to believe just about anything where Ford is concerned, but I have seen way to many blocks to believe this common. Also, what year did you see this, and how do you know the block wasn't replaced??? It might make sense to drill a block in that way if it was a late block, very early block, or for an aplication where sustained high RPMs might not be in play, but it doesn't make sense to do that in a car in the middle of the sideoiler block production, and they would have to be aware as it would use differant cam bearings or you would have a problem.
From what I know Ford did produce a topoiler block cast from the sideoiler molds well into the 70's. Popular for industrial and marine use and I'm sure a few did see street duty. Service replacement also. So anything is possible. Even a elusive and often mythed 2 bolt main 427 industrial block surfaced with pics as proof. Here's the site http://www.ford428.com/427c7aea ....pretty cool. Note the shaved sideoiler hump and press in freeze plugs!! One marine block I had was shaved like that. Interesting. For years guys said they were 406 service blocks which some could be...but not with a C7 casting number. Think the 406 service blocks went as far 65 then the 428 came in soon after.
I bet those aluminum TP heads were cool. Did they have a XE number? I can't remember how many of those were made but I bet not many. XE was very limited production experemental as I remember. SK was slightly higher in production. I forget the exact figures tho...LOL All very exclusive stuff. I wish i still had half the stuff that went throught my hands and cars years ago. LOL.
FFR428, great site you posted on that marine 427 block.
Ford moved in strange ways years ago as I had a family member working in the San Jose plant 36 miles south of me. with Ford mixing things up I bet a few odd ball blocks ended up out the back door in a Ford employee race garage.
What's wrong with a service 427 top oiler block?
If it's core shift who cares, spend the money and sleeve all eight cylinders if needed.
The aluminum Tunnel Ports I believe were SK, but I would have to check. I had 3 heads and one was marked $3 and another $10, the third had no such sequence stamping, but all 3 were individually stamped on each port.... Port volume or flow I would suspect. The heads were opened for coolant flow manifolds at the front and rear of the heads. My home email is rgordon@watchtv.net Send me a request email and I'll send some pictures of the heads when I get back on Thursday.
Neat pictures!! Do you know the guy that has it?? As I said before, anything is possible with FORD. For years they said the 390 2 BBL mustang was a myth, and my buddy owned one. Now they have the X code registry and say all X codes were 1968 models. I'm here to tell you that he owned a gulf stream aqua with aqua interior 1967 fastback X code 390 2 barrel with drum front brakes. I also sold a 1969 & 1/2 "G" code Boss 302 this summer that was Acopocu blue with blue interior. I'd had the body in my barn for 18 years. The car came with chrome magnums, not typical for 1969 argent. The car had a 3.91 posi rear, standard interior with short buckets and head reats, tinted windows, dual racing mirrors, rear spoiler, rear slats, drag pack with oil coller, power steering with a little radiator....but the odd thing was that it was an extremely early 1969 "G" code, yet it had staggered shocks and all the early cars were supposed to have non staggered shocks. Further, the car was sold at a discount to the FMGO garage. I always wondered if it had orriginally been a hand fitted show car.
I'm pretty sure the owner of that 427 2 bolt main engine is Ray Hillenbrant on the net54 forum. He buys and sells lots of 428 industrial engines. All are 70's blocks with IUB cranks, C7-B rods and "super" cast CJ/SCJ slugs that are still origiinal and std bore. He sells some .030's too. I agree very cool site. Glad you guys liked it. I think it was for sale at one point.
Twisted I'll send ya a email for those pics and thanks!
I'm apt to believe just about anything where Ford is concerned, but I have seen way to many blocks to believe this common. Also, what year did you see this, and how do you know the block wasn't replaced??? It might make sense to drill a block in that way if it was a late block, very early block, or for an aplication where sustained high RPMs might not be in play, but it doesn't make sense to do that in a car in the middle of the sideoiler block production, and they would have to be aware as it would use differant cam bearings or you would have a problem.
If you'll pay a visit over on the FE big block forum on Network54, you'll find those guys can enlighten you more on the Toploiler/Sideoiler blocks. I bought the one I sold from a guy in south Louisiana who'd bought the engine new in a crate from Richards Ford in Baton Rouge La. They stuck it in a 60's Fairlane and raced it. I bought what was left of it after it was pulled and stored outdoors for nearly twenty years. I don't recall the date codes but it was a 60's block casting. Ditto for the heads. From what I learned on the FE forum on Network54, the topoiler/sideoiler blocks were fairly common and used in the 66-67 Fairlanes.
I have come across an oddity about 428 blocks to keep in mind. According to one book I've read, some early 428 got the machine bosses like 427's for cross bolts. They reported that the ones they saw were not drilled for bolts. Although it would be easy for machine shop to correct this.
If you in fact found a 427 invest in a good ford book. There is tons of mods to the 427 over the years....
Lucky Dog
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