The 2 brl heads do not flow better than the 4 brl heads. CLEVELAND ROCKS!Ĭlick to expand.Not all true.M motors have HUGE 3" mains that get cut down to fit in windsors 2.75" mains IIRC. Finally found another donor Cleveland, this time beautifully running, and swapped it out (I posted a thread about it last summer) and I'll NEVER put another motor in my F100. blue smoke all over the place and it was still a reasonably fast ride. well I wasn't going to rebuild it until the damn thing exploded, but it NEVER did. Period.Īnecdotally, I had a '74 351C 2V in my F100 when I bought it that had "poop" for compression in two cylinders, a bunch of blow-by, it clattered, etc. the Cleveland is the PINNACLE of small-block Ford engine design. see the similarity between them and BBC heads? They share the same concept of maximizing flow by optimizing valve angles, but without the compromise of different runner lengths as on the BBC. That motor was designed around the nearly perfect BOSS-style (or YATES-style, for you NECKCAR fans) canted-valve heads. you don't need to do anything exotic like the above prescribed milling or crank-swap to have a motor that will spank anything of comparable cubic inches! It is a original AC car and i have it still, but i deassembled it due to it was out of order and i think its overkill with AC, atleast up here in north of Europe.YES. I've pimped the car with a Eliminator gas lid emblem. I have the original rocker mouldings, the trunk moulding have a minor dent. mouldings arent perfect but isnt that bad either. The Cat is in exellent shape and only needs som minor things fixed to be perfect. White top w glass and white interior with black appointments. I have a invoice from 1986 with the odo written down, it says 43960 miles. before i shipped it overseas to me here i Sweden. The car had been sitting in a garage for over 20 years and got a overhauled carb, a new gas tank, carpet and a new conv. I also have replaced all rubber seals and put on a set of 15" Cougar Styled Steel Wheels with BF G:s 255 in rear and 235 in front.
#1970 351 cleveland engine free#
It is totaly rust free and i have done a repaint to its original color, somewhere down the line somebody resprayed it red. I bougth the car from Garden Grove, CA in 2010. The car is hardly driven at all after that. The motor got an overhaul 1986, i have a bundle of reciepts of that. The motor and transmission comes from a Mustang -70 due to the ID- numbers. This is a H-code and not a number matching car. More and the cylinder walls will be to thin and causing over heating.Ī Mercury Cougar XR7 Convertible 1970 with a 351C-4V, a 4 speed Hurst-Toploader and 3:25 Trac-Loc. Hot air using open air filter assy causing motor sucking hot air from engine bay. Coolant rises the boling pointĬrack in the cylinder head or cylinder wall The unleaded fuel we use today causing engines running hotter then the old type of fuel.īad radiator cap, must hold pressure, preassure rises the boiling point.
heads and intake for the pre-heating system (EGR) One solution for that is to block the exhaust ports between cyl. If you running an aftermarket aluminum intake its less likely that this is the problem. Speciallly if you still running the stock intake manifold. One other factor that can cause overheating is the pre-heating system. WCCC (west coast classic cougars) have a replacement/modification restrictor plate which allow you to run the standard ford thermostat. If your restrictor plate is missing or you have trouble finding a correct thermostat,
Part nuber for the Robert Shaw thermostat: 180 333-180 Its a copy from an article by Ford Motorsport. This picture was uploaded by Todd Fuchs at Clevelands facebook page. He stores both the correct thermostat and the restrictor plate. Some have blocked this passage off completley. When using a standard ford thermostat to much of the coolant runs directly to the water pump instead of go through the radiator. The 351c have or should have a restrictor plate below the thermostat and together with the special 351c thermostat nearly closes the water passage through to the water pump witch forces the coolant to run through the radiator. But there is other thermostats with similar construction. Originaly the 351c had a Robert Shaw thermostat which is very hard to come by today. Over the years this knowledge has been forgotten and people replaced the thermostat with a standard ford thermostat. This is possibly the most common problem with many 351c overheating issues. Did you know that the 351c have a special thermostat? Many dont.
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