That fan spacer is 3 inches long just to get the fan close enough to the radiator to work. As you sift through the debate and it got a little heated , there's some good information, proven formulas and a few links that you may find useful in making a decision. Use a set of stock replacement rocker arms, etc. I haven't made a pass with it yet, but if the change in it's sound is any indicator, it's going to be interesting!! Keep us updated on the build. By 1973 all 4V heads were open chamber.
One other item you can upgrade in your valve train are the rocker arms. John Bouchard, owner of John Bouchard Engines in middle Tennessee, is quickly growing a reputation for building strong, dependable engines that match the goals of his customers. When Marvin received this engine, it was worse for wear and suffered from poor building technique. Most of them have now been bored out and ditched. I happen to have one. It was a great combo if anybody comes across one. I know that Baer makes some great brakes but that's all i've found.
As for the better motor, the 4V Clev heads flow big-block numbers. If you want a strong 400 M and you think it can be done , go ahead and try it. Amount Price Source Price Edelbrock Jets, secondary metering, 0. A problem named 'coreshift' occurred, causing bores to be slightly off centre. . Shaving milling or decking the heads Cylinder heads tend to warp slightly over time. Adding a set of Trick Flow heads right out of the box can really ratchet up the performance.
. Your hub for horsepower Get first access to hit shows like Roadkill and Dirt Every Day Join free for 14 days now Read along as we first test our little dynamo topped with a Trick Flow carb and intake, 2-bbl, open-chamber heads. The step-up springs start to pull the metering rods up off the seat at a discrete vacuum point. Since you're not locked into a traditional timeframe get aftermarket heads for the cleveland and paint them. Kid Vishus Rob could probably tell you a great deal about the 2V heads in a race motor. I also suggest you have the cam degreed in using a multi-position crank sprocket. A quality cylinder head rebuild will include a procedure where a small amount of material around 0.
What do you plan to use this motor in? For example, the Oldsmobile 350 V8, which has a bore of 4. They are probably a better 'balanced' motor, with the top-end and bottom-end both reaching their maximum at about the same revs. I ported the heads myself but have never had them flowed. Clevelands can be had for cheap if you have a little patience in your search, I still find them at Pick n pull every few months. In all applications some swear by 2v heads, others swear by 4V heads, the head question rages on. Instead, connect to a spark-ported timed vacuum, as shown here on the Edelbrock carb. .
After double-checking piston-to-valve clearance and pushrod geometry, we confirmed that the same pushrods and rocker arms could be reused with the new combo. Rumor is this was done for the Panteras in case 351C supply fell short. The few that did embrace the 400 did well with it. So, I figured that doing the cam and head swap should be a nice little project to get me motivated to work on it more. I'll have to think about that one. After removing the bowl, we found 74 jets up front and 84s in back. With the lightweight pistons and aluminum rods, I don't plan to spin it beyond 75-7600.
Ford says it has no official meaning. They were produced from 1970 through 1974 and were used on a variety of Ford models, from ponycar to fullsize. Truthfully i don't think either or any of the engines talked about for that matter would be a mistake. Probably have to put it behind a top loader though, or find if the T56 for the Ford will fit any of the cleveland bellhousings. Marvin decided this Cleveland needed a complete teardown along with the full complement of machine work and the right combination of parts to achieve more than 400 street horsepower. I know a C-4 would be faster, but again, I'm building for the long haul.
If that is indeed the case, i'll have to start looking for Windsors. I would use studs for the main caps, no where else. Gobs of tire smoking low end power, and plenty up top. But it looks like yours will make power higher in the rpms than mine did. .
I have a 351M I rebuilt in my old beater truck. Gear ratio and stall speed will also help decide what a good cam choice is. I own several examples that are installed in off topic cars, have acquired a mountain of spares, and I am in full blown hoarding mode for anything I come across when I see it. Some dudes like Crow Cams, some like Stroker kits, others like Racing fuel. Though the 400 gets a lot of criticism for being an underpowered smog slug, it remains a 351C with increased deck height and larger main journals; a small-block with the personality of a big-block. Any thoughts from anybody on this 351 Cleveland that I just picked up? While I have no 2V Cleveland experience, it is still a canted valve head and should respond to Lobe Separation Angles changes like a 4V head. The entire Cleveland series is a good motor design, just not as popular as the 302-351W models.