Exactly!

 

10.9,

You're absolutely right, a 457 ci sb2.2 headed race car should make 1000+ hp NA with cubic dollars, 16.0+ compression and the right parts. But... as the other guys here have so kindly pointed out (I think they all know me pretty well now )..... this isn't a RACE car, it's a driver.

As a matter of fact I've taken a whole new direction with the car. The setup will be much more "Road Racer" than "Drag Racer" this go round. Just something different for me... not that I plan on being the next Silver State winner or anything but that doesn't mean I won't try it at least once before I die.

Frankly, like alot of you guys, I just like these 4th gens. Kinda like the Mako sharks of the car world. Don't see myself getting rid of this one any time soon.

-Mindgame

 

Thanks Mindgame. Just thought those HP #s were kinnda week for those flow #s and Cubic inches.. Im in the precess of building an sb2.2 Race Motor. It will be a 4.165 bore with a 4" crank ( 436ci) with 15.4 CR. Heads are NASCAR "Take Off Heads" that only flow 380 cfm @ .600

 

Yeah, in race trim the thing should fly.

Just to keep things in perspective here, the cam in the new beast is hardly beastly at all with just 256º @.050.

She'd sing a whole other octave with a bigger stick, but I'm content....... for now.

-Mindgame

 

MG, those are some killer numbers. Your combo will make a killer street package. I wish I could run mine on pump gas and make that much. Of course that's the difference 60+cfm makes.

10.90 streetcar:

To give you an idea, mine flow 380cfm also and are on a 396ci 4.030" bore motor with a 270/280 .710 lift sr with 13.5-1 and a very short restrictor plate style intake and it's made 740 at the crank so far.

 

Heres the Specs on my cam. 280/296 .740/.716 on a 112 LSA.
Why the very short restrictor plate style intake. Also I would think that small bore is also hurting you some as well.

 

We needed it for hood clearance and got a good deal on it. We didn't feel like shelling out money for a larger cowl hood that will get us tickets plus We've got some coin in custom paint and it's a nitrous motor so I just figured I'd put bigger pills in it

Your larger cam, bigger bore, higher compresion plus better intake should have you in the high 700's low 800's I would think. What do the rest of you guys think?

 

I would hope so!

Bret

 

So your saying that you shoved a 457ci smallblock in a 4th gen with a stock hood?!?

Got pics?

 

I would think my combo should make over 800

 

700-800 should be cake for a race motor!

I'd personally tear it apart and try again if it made less than 900. While I agree that the sb2.2 is a the best small block head out there, I also believe you need two carbs to really make big hp. When we start going to multiple carbs, my thoughts shift to a splayed valve head designed with that in mind. Of course a sheetmetal intake is a must.

-Mindgame

 

BTW Rob,

The engine is the same external dimensions as the LT1.


Well, it's a little beefier and has a .300 taller deck but everything fits just like "stock".

-MG

 

Too bad there are no awesome splayed valve GM heads... I hear that the ROX head is supposed to be double throw down though.

 

Bret,

The old 504 made 1000+ with the old GM splayed valvers. If you go to alcohol then you can run the Alan Johnson splayed head. Works ok for Rick Moroso.

-Mindgame

 

I've just had a few talented head porters not like those heads AT ALL... hell I couldn't tell you if they were the cats *** or not.... they just require a ton more work than something like a SB2.2, but then again when those didn't exsist the splayed valve was the top dog.

I still remember the sounds of those Intrepid GTP cars back in the day with 365 and 396 splayed valve aluminum small blocks.

Bret