Sounds tastey chef Krause.

I think that's a good choice. If we go back to that ol' $ per hp thing, the BBC looks even better. SBC just can't compete... at least not NA.

So you gonna building it piece by piece or start with a crate shortblock?

-Mindgame

 

Would the F1 be too small for use on a street big block? I've always liked the idea of a forced induction big block myself...

 

We were just talking on that very subject at the shop. Got differing opinions. I guess it depends on the ultimate goal. The production big blocks are pretty stout and a crate motor is a good value, so I am leaning that way. Crate iwth an ugraded valvetrain and some head porting???

Rich

 

Rich, we've done alot of engine swapping, LT1-BBC-SBC...

first and foremost, a tall deck big block will be a tight fit. Do-able, but not fun to work on AT_ALL.. Like spark plugs being worse than you can imagine..

For the street and occasional strip use, I would choose a short deck, big cube big block.. 10ish-1 compression, and throw the juice to if on the strip.

We had that 540" Shafiroff "Ultra Street" motor in my car, it made 728 HP on the brake, with an 1190 King Demon carb, but we converted it to EFI and it ran 138 mph @ 3500# in my car.. Pretty stout to say the least- and that was basically untuned- hell it didn't even have a MAP sensor, but that's another story..

We took that same 540 and put a single stage big shot plate system on it, (dry) and ran a 5.33 (600') at our local track on drag radials with a glide but the car still weighed 3380#.. It would go 5.50's in a true 1/8, and there's room for more nitrous..
And- this was done through a set of hooker 2455 headers which are almost a perfect bolt in with a tubular k-member

I went with a Dart Iron Eagle small block, short stroke, big bore, thumper turbo.. It doesn't make for much of a fun street car, but it's faster than the big block

Cliff notes: big bore 9.8 deck big block is a relatively easy fit and will make a super fun street car.. Nitrous to be low 9's at 4000#

good luck, and drop me an email if you have any specific questiojns.. We're putting a tall deck 572 in a '94Z now..

 

Brady: I really appreciate the offer to answer questions. Shall I post them here or do you prefer via email?

I was thinking of a short deck block, for sure. Thanks for the header tip.

What K-member do you recommend and what did you do for cooling?

Rich

 

Tough to beat the price on those crate motors from Shafiroff. Dart has you covered on cylinder heads with the Pro1. What you need is just gonna depend on what size motor you decide to build. If you want to go the route Bret suggested, there's only one head to consider IMO.... that's the Big Chief.

-Mindgame

 

Rich, I'll help where I can, when I can.

the radiator was picked up on ebay for nothing, it's a Nascar Fluidyne radiator.. You can kind of see it here..

http://teamprickracing.com/95z/xxx540/Dsc00894.jpg

We had to run the car for 10 minutes to get it warm enough to make a pass.. (1- 12" electric fan)

I really don't think you need to get exotic on the heads for a street car.. The 540 had Dart 345 Pro 1's as cast... and it was shifted @ 7500.. It never quit pulling, I just couldn't bring myself to rev it any higher.. LOL

I'd never argue the performance of the big chief heads, but they wouldn't be my first choice for a street car...

 

Brady,
A 572 in a '94Z..... now I'm getting jealous. Nitrous motor I assume?
Let me know how the tall deck works out. Not sure how long I can survive without one.

Rich,
If you decide on a gen 1, I have a friend with a 421 using a Dart block w/ 18deg heads & setup for a big fogger system. Never been started. If interested, I can get you in touch w/ him for more info/pricing.

 

Lonnie, the 572 is a nitrous motor...... May have to spray a 100 shot to get it started.. LOL.. It'll make on the long side of 1k HP on motor, and the dual stage dry fogger will make it completely unmanageable..

http://teamprickracing.com/95z/day5/DSC00876.JPG

http://teamprickracing.com/95z/day5/DSC00878.JPG

The intake will spray 1200.. (not realistic, obviously)

The guy who built the intake went 8.0 @ 3200# on one stage with a 509 BBC, so we're optimistic..

 

I say if you wanna tackle the BBC go for it. You might wanna looking into stout Dart or World Castings SBC, and a single T88 turbo system

 

I never had much luck with anything turbo. Great potential though! The heat and packaging problem of forced induction are something I am getting tired of dealing with. So I am currently leaning towards a BB with 650-750hp and nitrous for the track. I was looking at the short block here http://www.theengineshop.com/sbkits6.shtml with ~10:1 and a set of decent but not huge heads.

Thanks for all the ideas so far.

Rich

 

Let me know when you wanna slap on AFR bad boys on there

 

I was thinking more of Big Dukes MG.....

I would build it for overkill Rich, build it for 900hp and then you just have to get used to driving it. That's always my plan on stuff, if you want 450rwhp, shoot for 500rwhp then you will not have to rebuild it next year.

I still have a problem with only 10:1, that's why the 18 deg Big Dukes, you can get the chamber small enough with a flat top to make some power and still run street gas.

I was saying Big Dukes, and base them off of a CNC casting so you get a REALLY small port to start with. Then they don't have to be big to get what you need out of them, if I was going conventional I would stick with AFR's hands down.

Bret

 

And I was thinking 14º, even smaller 74cc chambers.

If you want to use a head that begins with "B", just use the one Sonny Leonard helped Brodix develop to compete with the Big C 14º head... the PB2005 (14.5º). Either way, you get an even smaller chamber and straighter shot for the air. Guys are winning with both heads so that's neither here or there. Each option is pricey and the NA power will be insane.

As for standard heads, I still have to go Dart. Based solely on their experience in developing heads for the BBC.

The milder 540 750-800hp combination with nitrous is enticing to say the least. Don't think anyone driving one around off the bottle would ever think to themselves.... "Man, I wish this wimp had a couple hundred more hp NA!".

-Mindgame

 

MG, Bret, others: The last paragraph says where my head is at right now wrt the new combo. "Mild" 540 with N2O for the track, unless some nice Gen I SBC parts come my way. I also like Dart heads. I was thinking of the "Pro I". Something with a 325-350cc intake port?

Rich