07 S197

i just got a engine out of a 02 f150 for free. My question is can i build this block and then put my 3v heads on it? Then just use the mount kit from MMR to bolt it in? Would everything fit and clear with this block?If it would work is there anything else it would need?

kcmarti

You might be able too, but I doubt it. The big show stopper though is the fact that the F150 engine block is cast iron while the Mustang uses an aluminum block. You will be taking a major weight penalty if you could make it work.

07 S197

so wouldnt it be the same weight as the 03-04 cobra block like some shops use when they sell short blocks for our cars?

MexGT

uhmmmm I doubt F150's uses romeo blocks, I could be wrong I know nothing about them.

But since you got it for free .... why not sell it and get an old lincoln nav engine ? (5.4 iron 4V heads) or an aluminum triton block...
I'd do that

hammeron

this would have been a great question
for the professor, during the Rebuild Talk
seminar.

i'm interested to hear, if this can be done or not....

kcmarti

Yes, the 4.6 L F150 for 02 did use a cast iron Romeo block.

07 S197

Are you 100% sure????? That would be awesome if it is a romeo block

kcmarti

Yes for the 4.6L '01 - '03 F150 - it is the cast iron Romeo engine (although some '01s came with the Windsor - look for a W engine code in the VIN). If your current "Aluminator" engine is good, why do you want to drop in a cast iron version that weighs 100-200 lbs more? What are you trying to achieve?

modaddict

^^^ ditto and yes, either the romeo or windsor could work with your heads. The question as asked is why? A brand new romeo block costs about $400 so where's the big savings by picking up a used one? You are not going to want to use the rotating assembly, compression, and balancing anyway and have to be redone for the proper set-up for your S197 so it would be a waste of time IMO.

Now if you are getting it for free and use as a platform for a rebuild, then sure, why not.

And before anyone asks, NO - it's not 'stronger'. Nobody has broken a 4.6 aluminum block yet with up to 1000 hp. In fact, some critics claim the aluminum 4.6 is actually stronger than the older iron blocks due to it's webbing, main bolts, and design...

07 S197

Ichecked and it does have the W for the vin code. I'm not really to worried about the extra weight. I talked to brenspeed and they said that they have a 03 cobra block in one of their shop cars, and it still drives and rides the same. Its just a engine i got for free and was looking to build it with no rush.Insted ofpulling my engine to have it built and be without a car.