Should I sell my 347 and go for 393 windsor?

[Streetwize]

IMO, the big block style torque combined with the lightness of an aluminum head small block is the best of both worlds...you just don't want or need to get "silly" with the combo, it doesn't need a huge cam or super high comprersssion to get it done. A 470-510 hp 408-427 can be built with a good set of heads that flow about ~275cfm on the intakes, 1 7/8" headers and a cam in the mid 230's @.050 in a solid 9.5-10.5:1 shortblock will idle at 850rpm, make massive torque and pull cleanly to about 6200, plenty for a dual purpose motor and you'll have rock solid reliability for a driver.

So you can easily match or exceed the power of an original Street 427 and still have a docile and reliable motor that weighs about the same as an original all-iron 289...Though I love the revs of a 7500 plus smaller cube motor, I love the Thrust of that low end grunt that 427 cubes gives you at any RPM even more; to get that massive "no effort" acceleration combined with the better-balanced handling and braking of a smallblock is really tough to beat IMO.

[Woodz428]

You asked about larger, but I'd say smaller with that combo. The 331engine that Clois mentioned has a better rod angle and has less thrust on the cylinder wall, which is pretty important in a stock block. The Boss block you mentioned is a good upgrade if you choose to stay at 347, however, in the crate engines that Ford will offer in that configuration they are only offering( at least initially)a 331 max size. It is supposed to be 500hp, if I recall. So while I do like the small block, I think durability will be less than with a 331.

[olddog]

Originally Posted by Streetwize

to get that massive "no effort" acceleration combined with the better-balanced handling and braking of a smallblock is really tough to beat IMO.

Not to hijack this thread, but I asked this very question a while back. No one really stepped up and claimed the lighter weight of a SB impoved handling enough that you could tell a differance. Most stated that the biggest factor is the driver, yea I get that, but what about the capability of the car? Would you care to elaborate? I am interested. I'll Start a new thread, so not to mess this one up any further.