2V Cleveland
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Logistics Pro
Joined: May 2015
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From: Tri Cities, TN
2V Cleveland
A little entertainment for the 351C crowd.
(5) 1970 Ford Falcon XWGT, low 10s with Iron 2V heads, Yeah they flow.... - 351c.Net (tapatalk.com)
(5) 1970 Ford Falcon XWGT, low 10s with Iron 2V heads, Yeah they flow.... - 351c.Net (tapatalk.com)
Laughing Gas
Joined: Sep 2013
Posts: 1,113
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From: North Idaho
I love it! Those aren't even the "high performance" Cleveland head! I think just about everyone went straight to the 4V head for serious performance use and the 2V mostly got ignored. There is some pretty good potential there.
Cargo Master
Joined: Oct 2020
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Logistics Pro
Joined: May 2015
Posts: 4,466
Likes: 959
From: Tri Cities, TN
One thing about this engine is it is Australian and has the closed chamber heads. Another thing is the 2bbl. engines were designed to produce their peak HP an torque about 1000 rpm lower than the 4bbl. engine and were designed after the 4bbl. engines and were never intended for high performance. Personally I believe the 351C was one of the finest pushrod V8's to ever come out of Detroit. These little engines ran head to head with 427 FE's and 426 Hemi's on super speedways. It's a shame it died so young thanks to emissions, fuel shortages and corporate decisions.
Cargo Master
Joined: Oct 2020
Posts: 2,662
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I've run those Australian 302 closed chamber heads on the dyno before and they were a disappointment. I look a the 351 C as the small block engine with the greatest performance potential. This doesn't mean that they were a good factory combination; they weren't. They have tremendous potential simply because of the cylinder head and valvetrain layout. I'm pretty confident that I could build a 408C with high compression and have it make or be very close to 600 horsepower with no porting done to the 4V closed chamber cylinder head. That's amazing for a design that came out in 1969.
Also they didn't run head to head with 426 Hemi engines on the super speedways. When they ran at the same time the large engines were running restrictor plates and or rings where the smaller engine wasn't.
Also they didn't run head to head with 426 Hemi engines on the super speedways. When they ran at the same time the large engines were running restrictor plates and or rings where the smaller engine wasn't.
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Logistics Pro
Joined: May 2015
Posts: 4,466
Likes: 959
From: Tri Cities, TN
I've run those Australian 302 closed chamber heads on the dyno before and they were a disappointment. I look a the 351 C as the small block engine with the greatest performance potential. This doesn't mean that they were a good factory combination; they weren't. They have tremendous potential simply because of the cylinder head and valvetrain layout. I'm pretty confident that I could build a 408C with high compression and have it make or be very close to 600 horsepower with no porting done to the 4V closed chamber cylinder head. That's amazing for a design that came out in 1969.
Also they didn't run head to head with 426 Hemi engines on the super speedways. When they ran at the same time the large engines were running restrictor plates and or rings where the smaller engine wasn't.
Also they didn't run head to head with 426 Hemi engines on the super speedways. When they ran at the same time the large engines were running restrictor plates and or rings where the smaller engine wasn't.
There are a world of internet stories about these engines that are pure bull. They get repeated until people take them as fact. I've had a Cleveland or two around for the last 25 years and other than not being able to pass a gas station I haven't found most of the stories to be true. I think with T. Meyers blocks and some of the excellent aftermarket heads these engines will be around long after my old *** is gone.
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Cargo Master
Joined: Oct 2020
Posts: 2,662
Likes: 779
The advantage they had in Nascar in those days was the small displacement engines were given a huge weight advantage over the big blocks. I totally agree with the 600 HP with a cast iron motor. That's even doable nowadays with a stock stroke.
There are a world of internet stories about these engines that are pure bull. They get repeated until people take them as fact. I've had a Cleveland or two around for the last 25 years and other than not being able to pass a gas station I haven't found most of the stories to be true. I think with T. Meyers blocks and some of the excellent aftermarket heads these engines will be around long after my old *** is gone.
There are a world of internet stories about these engines that are pure bull. They get repeated until people take them as fact. I've had a Cleveland or two around for the last 25 years and other than not being able to pass a gas station I haven't found most of the stories to be true. I think with T. Meyers blocks and some of the excellent aftermarket heads these engines will be around long after my old *** is gone.
i think a lot of the negative stuff about the Cleveland simply comes from the era when it was produced. Camshaft development, valvetrain and internal reciprocating parts availability for the engine has come a long way since then and allows the design to really shine.
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Mountain Pass
Joined: Aug 2024
Posts: 201
Likes: 84
From: Queensland Australia
The phase 2 Australian 4 door Ford Falcon XY GTHO with 4V 351 Cleveland was reputed to be the fastest 4 door production car in the world at the time.
With the rev limiter disabled it was capable of 145 MPH.
With the rev limiter disabled it was capable of 145 MPH.
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