1) long rod 351w using 400/351m rods (6.5815") & custom pistons with a pin height of 1.17"

2) 400 windsor, using 400 crank, windsor rods, 5.0L pistons (provided it can/will clear). With this set up I end up being 0.018" over the top of the block...I could offset/undersize the mains.....but then I say hey I could stick the 400 heads on the windsor block (always wanted to do that)...and the little bit over the deck would help shrink the combustion chamber of the 400/M/C head.


Ive been reading the ford parts interchange book again lol

 

Answer to #1.......Why? No big advantage for the money spent.
#2..........No sense in spending the money to make a 400 crank fit, when there are so many aftermarket cranks out there. 351 Cleavland heads on the winsor is good for rpm, if that's your goal. But then, there are a lot of good aftermarket winsor heard to choose from.

 

no advantage of having longer rods? money spent? M block rods are cheap and easy to come by, all you have to do is buy some 302 pistons with a ~1.3" pin height and oversize the wrist pin diam. by 0.010". If youve got to rebuild the engine anyways and wanted/needed new pistons, this would be a good idea. I plan on doing it bored 0.050" over, for a 360W.

 

Just my opinion...........don't let me stop you..........go for it.

 

I wouldn't run the 400 (or 351C 2V) heads on a 400 let alone on a windsor, yeah I know going for the mock boss deal. but the open chambers are a bad deal for detonation issues, and the aftermarket heads available for the windsors that still use easy to come by intakes and exhaust makes doing that a bad idea. The intakes are expensive if you can even find one. you have to modify the heads to make it work, and things like the TFS heads have the canted valve advantage while still using off the shelf easy to come by parts. Also if you use a canted valve type head (like the 400) then you have to have custom pistons with the valve reliefs cut at an angle instead of straight like the wedge heads use, so no you couldn't just run 302 pistons in that application.

 

351C/M/400 heads on A windsor is really only good for bracket racing. B&A Ford Performance provides the gaskets and intake for making this work. Then again, I just found out they aren't in business anymore. But here's a link to more info http://www.darkhorseracing.net/clevor_head_mod.htm

 

theres a place called Price Motorsports that sells intake adapters for running C heads on a 302 and a 302 intake. For the life of me I can not figure out why you need an adapter to run a 5.0L intake on a 5.0L engine, other than the fact that the ports on the C heads might be higher up off the deck height than the stock 302 heads. Hopefully someone who knows will enlighten me.
Also you can run stock Cleveland pistons in the 302. The pin diams are the same, 0.912", the comp height on a C is 1.65", the 302 is 1.6". With a 0.040" thickness headgasket you have 0.005" clearance in the chamber, and run around 9:1 compression.

 

ok the C piston is 1.67" and will pop over the deck by 0.054". Unless one wanted to run a thick headgasket. Another option is a 289 crank, 302 rods, and C pistons, leaves me 0.010" below deck.
Im just tossing ideas around, I still like the 360w idea.

Does anyone know why you need an intake adapter or special intake to run c heads on a 5.0L? from every single picture on the net I can find to compare the two (intake gaskets, intake manifolds, cylinder heads etc) they all look like they have the same bolt patterns and port heights. For headers I could order flanges for a 351c out of one of those DIY header deals, and weld the flanges to some 302 headers...proving they will leave room for the spark plugs.

 

You can actually buy the pistons to run the C heads on a 302 from several manufactorers with the proper compression hieght.
As to why you can't run the 5.0 intake on a 5.0 with C heads the bolt patterns are different for one thing, second the ports don't match (cleveland heads are a lot bigger and different shape)

 

yeah I know you could buy the pistons, not sure on the cost however. If theyre more than a C piston then I dont see the point in ordering a special 302 piston when I can accomplish the same for less with a C piston.
The ports on a 5.0L EFI truck intake are huge also, and have room to get larger. The whole reason for this post was ghetto fab to the fullest. Im not that into high tech, high dollar forged piston, H/I beam forged con rods and billet steel crank stuff. Sure it would be nice, and better....but I can have fun on old used parts.
Are the C head ports oval-ish? because the E7s and truck lower are rectangular.
Thanks for the info

 

Ok maybe this will help first picture 351c heads (both 2 and 4V versions.) second picture 302 heads.



Notice the end bolts, they aren't the same pattern. And the ports are different shape you won't be able to get them to seal.

 

ahhh I see the light. Thanks