Best Aftermarket Block?

89GTpwr · Jul 29, 2008

Hi,

I have the money and thought it would be a good idea to invest some of it in a good aftermarket block, as i am looking to build a motor which will hopefully last me a long time.

I am aware that there are three majour brands when it comes to ford blocks (ford racing(BOSS Block), The Dart Block, and World Products.) I am just curious before i make a big purchase what your opinions were on which one is a better aftermarket block as far as the price and quality go.

Also I am still unsure on what to build. I have it narrowed down to either a 347ci. Or a 393ci. any advise on which you would believe would be better is much apreciated. I would also probably be looking at putting a twin turbo set up on the engine i plan on building.

Thank you for any advice or comments.

kilog55 · Jul 29, 2008

so do you plan on being able to actually drive the car? TT and a stroker wouldnt be a great combo for a street car.

but i would go with pro formance and up it to a 418W stroker turn key for 8900

90lxcoupe · Jul 29, 2008

if your going to spend the cash on a dart block, build a 351 windsor stroker, its not gonna cost you much extra money, and its gonna make a ton more power. also my engine builder just used a new BOSS block for a road race car and he says that he will never use one unless he has to. I was told that ford used a shorter bore so that the blocks did not have to be notched for stroker kits, so companies can just slap the motors together with minimal machine work.

just build a 427 or a 460 CI small block! thatd be kick ass, make 500+ hp and you dont have to rev the motor to the moon to do it

i just got done with building my 345ci r-block it cost me a good chunk of change and if i could do it over again i would have built at LEAST a 408...

1991vert · Jul 29, 2008

90lxcoupe said:
if your going to spend the cash on a dart block, build a 351 windsor stroker, its not gonna cost you much extra money, and its gonna make a ton more power. also my engine builder just used a new BOSS block for a road race car and he says that he will never use one unless he has to. I was told that ford used a shorter bore so that the blocks did not have to be notched for stroker kits, so companies can just slap the motors together with minimal machine work.

just build a 427 or a 460 CI small block! thatd be kick ass, make 500+ hp and you dont have to rev the motor to the moon to do it

i just got done with building my 345ci r-block it cost me a good chunk of change and if i could do it over again i would have built at LEAST a 408...

i'll second that!

89GTpwr · Jul 31, 2008

Thanks for the input and advice, i have another question for you as well though i am just wondering what would be a better deck height to use, if i plan on going with forced induction in the future?

... And how much stronger would the cast iron Dart blocks be compared to there Alumminum blocks that they now offer?

Rick James · Jul 31, 2008

kilog55 said:
so do you plan on being able to actually drive the car? TT and a stroker wouldnt be a great combo for a street car.

but i would go with pro formance and up it to a 418W stroker turn key for 8900

Why cant you build a TT stroker thats streetable?I would really like to hear this one.OP i would build something off a 351 based block w/low compression pistons and some boost.It can TOTALLY be streetable and reliable if you use common sense.

1991vert · Jul 31, 2008

89GTpwr said:
Thanks for the input and advice, i have another question for you as well though i am just wondering what would be a better deck height to use, if i plan on going with forced induction in the future?

... And how much stronger would the cast iron Dart blocks be compared to there Alumminum blocks that they now offer?

i'd just stick with the cast iron stuff. they're rated to about 1200hp, i think. anything over that on a street car is just silly. 8.2" deck is a 302 based block, the taller deck is the 351 based block. either one would be fine with forced induction, as long as you plan that in. might want to go with some dished pistons if it's in the near future.

before you take on this plan, make sure you plant a few money trees. it gets expensive VERY fast.

5spd GT · Jul 31, 2008

A DART has many advantages over the BOSS.

- Thicker block
- Handles more stroke
- Better oiling
- 4.125" bore (no extra charge)
- Handles more power
- Etc.

89GTpwr · Aug 2, 2008

Thanks for all input guys, sounds to me like the Dart cast iron block is the one to go with. So i shall go from there thanks.

bentley429 · Aug 2, 2008

Look into the World Man-o-war blocks. Unless I get a killer deal on a iron eagle or something thats what Iam planning on getting. Yep TT strokers arent streetablle at all....

n8secstangg · Aug 2, 2008

blocks

the Dart blocks will handle as much power as you can throw at it...we make well over 2000 hp with ours, i have heard great things about the World Products ones but havent sold any yet so i cant tell you from experience...i would agree on getting as many cubic inches as you can while you are pretty much starting from scratch

chad

1991vert · Aug 3, 2008

n8secstangg said:
the Dart blocks will handle as much power as you can throw at it...we make well over 2000 hp with ours, i have heard great things about the World Products ones but havent sold any yet so i cant tell you from experience...i would agree on getting as many cubic inches as you can while you are pretty much starting from scratch

chad

you're probably using an iron eagle, not a dart sportsman. i see no need for him needing an iron eagle

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