no it isn't cause he's SERIOUSLY asking the question.

some of you guys are sounding like ricers like nothing can beat the almighty lsx engine...

 

do you guys have any idea how utterly insane the amount of power and torque guys can get out of built BBC's?

yea its an unorthodox idea, but unorthodox ideas got us to the moon. Dont be so quick to stifle out ideas.

 

Geez, what a bunch of assclowns that come out of the wood work because they neither have the money or ***** to try new things. Get off the damn internet and see whats really out there in the world, believe me you'll find that there's actually other shops that do just this type of work all the time.

And all I can say is: "What morons" Who thinks a BBC can't make ANY LSx engine look like crap in the power and torque department. NRE builds a street friendly twin turbo BBC that on a low boost setting, PUMP GAS, 6 psi, 1,000 HP....on a high boost setting and race gas it makes 2,000 HP. Lets see any LSx engine that can do anything like that and run for more than one dyno pull.

Sapps.

 

Only problem with that is: Nowhere near enough power. At least for south Florida its not. There's dozens of cars down here way with over 1,000 RWHP, so it would be same ole'- same ole'.

I may not do a BBC, I was just asking the question "on a forum" where info is supposed to be available without all the negative bullshit. The engine I think is the best is the TT 454 sbc (1,850 FWHP), built for the street with a cam in the 230's, daily driver use, smooth idle. Tested and proven reliability.

Ain't NO LSx engine gonna touch that, let alone what a BBC can do with regards to power.


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YOU MUST BE IGNORANT!!!!!!!!

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So now its a gas mileage argument


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Probably not, thats why I asked if anyone had info. However, anything can be done.


You know, the traction thing always comes up when talking about roll racing. There's many cars that go from 50 rolls with way over 1,000 RWHP and they hook just fine. Now of course they have to roll into it but it works for everyone. They race every weekend in south Florida, its nothing new. Plus, I'll mini tubbing whatever car I use.


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The only people that are dumb are the people who think things can't be done. And you're pretty stupid for thinking a BBC can't out-do an LSx engine.

You let me know when top fuel dragsters start using the all-mighty LSx engine, ok bud

A 346ci that makes 500 RWHP is crap because its running on the ragged edge and it'll never make 20,000 miles, let alone make 500 RWTQ.

So you think someone would be stupid enough to run a stock suspension after building a badass BBC, what world are we in here, where do you come up with these stupid *** scenarios? Anything to help your argument I guess.


If I do it, or whatever I decide to do, will be done from tip to tail, and done right. Not half *** like you're suggesting.


Geezuz-Kee-Riced



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Here, tell these guys a BBC can't outperform a friggin built LSx engine. This VERY mild 598ci SC'ed BBC has a cheezy 6 psi from a small Procharger....ON 91 octane PUMP GAS.....1,000 HP. There's no LSx engine on earth that can do this, and this BBC will last for-******-ever. $26,000. And yes, they'll build any type of LSx engine too.

www.fasttimesmotorworks.com

I asked them what can be done if I want to make 500 more HP, they said just a head change and up the boost, STILL ON PUMP GAS. How much will a 1,500 HP LSx engine cost and how long will it last? Plus, you'll need race gas from 700 hp and beyond unless you want it to explode in 1 week.

The LSx engine is good, but it ain;t that good. If LSx engines had a pair of ***** hanging from it, I think most people here would be swinging from them all day.


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It would actually be so boring around here without some of the morons. Tell me after watching this video if a CHEEZY, by comparison, LSx engine of your choice can make the same power as a PROPERLY built "MILD" BBC with twin turbos. And this engine is not some one-off engine, NRE builds dozens and dozens of engines just like this every year, they have years and years of experience and research into the stuff they build. Unlike the sponsors building all the same **** with the same exact parts.

This engine CAN be put into a C6 if he felt like doing it.

2,000 HP STREET CAR. 7 sec 1/4 mile ET's.

Morons, I actually love'ya, you keep me laughing and I love to laugh. But I'll give ya one thing, in talking with Tom Nelson about this project for a roll race monster, he said a BBC would be insane, but he recommends his TT 454ci sbc (1,850 FWHP 230-ish cammed daily driver street car engine) just because the torque of a BBC would be too much for a roll racer. I just thought I'd ask if anyone has done the BBC in a C6 thing because it would be quite cool.

And before anyone says how unstreetabl;e it'll be abd race gas this and that. His 454 TT 1,850 FWHP engine is a pump gas engine to about 900 FWHP, then his 16 injector intake starts spraying race gas from a stand alone tank all the way to 1,850 FWHP...on the fly. Best of both worlds.

http://videos.streetfire.net/video/6...0a00f132ff.htm


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Yeah guys don't attack the guy (I wasn't trying to with my prior post sorry if it came off that way).

A BBC built for racing (not some POS pulled out of a wrecked 1970 truck) will be stronger more dependable than any LSX other than a C5R block and put out more power for a MUCH cheaper price.

Fact is though it won't fit on anything other than a classic muscle car.

LSX's are wide and BBC's are wide AND tall. Anything requiring the power of a BBC put to the max with 2k hp will destroy an IRS with slicks anyway.

I mean isn't the most insane 14k mile max practically unused LSX C5R block only in the 454-496 range bored to the point it is as thin as paper?

Just get a C5R to run 45 PSI!!! It would probably be cheaper and more customizeable than a 650 ci big block. GM built a freakin' stock Cobolt until it ran over 40 psi and had a top speed of over 200 mph.

 

A twin turbo C5R running 40 psi will cost between $35,000 and $100,000, depending on which fair quality shop you go to or a shop that prices their stuff so high it pays for 2-3 engines in case it breaks under warranty.

FTM has a crate 598ci BBC putting down 1,000 hp with just 6 psi. from a tiny Procharger for $26,000. On Pump gas 91 octane. No way a C5R can ever run on pump gas no matter what you do to it, if you're going for big power. And the reliability of the C5R will be out the window at those power levels. Also, the C5R was designed for 750 RWHP, thats it. It wouldn't last a month if you tried to go above 1,500 hp and be reliable and last.

If it won't fit, it won't fit. Oh well. TT sbc it'll have to be. Even the C5R won't hang with a built sbc, if it would we'd be seeing some badass TT set-ups using it, there's none that I know of.


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Anything'll fit in anything if you're willing and able to fab enough. But a guy that knows so much about ultra-high-hp applications already knows that, right?

IMO the C5/6 are not the optimal packages for this. The hood line is too low, the IRS has to go, and the transaxale arrangement is highly inconvenient. It seems to me that what's needed is a body with excellent aerodynamics that has a conventional transmission and solid-axle layout, and reasonable clearance for the BBC. To me the obvious choice would be the 3rd-gen Firebird. They've gone insane numbers at Bonneville, Gale Banks held the record for world's fastest passenger car for years, topping out at about 290, with one that wasn't all that far from streetable.

If I had the money, I would really enjoy those races. I love the big numbers, much moreso than 1/4-mile. Good luck with your project!

 

Quicken never once did i say a bbc couldnt beat a lsx, what im saying is that if you dont take what your given in a 40k car you gotta be crazy. the ls2 block is way capable of doing so much. and if you are going to do this build please keep me updated, im sure the guys at Hp Performance by me would love to see this build. I guess what im trying to get at is you never told us any goals or anything, if your building a vette docs type straight up race car thats fukin awesome. But to me i was trying to build a flat out drag race c5 and to me i sold the car just wasnt worth the $$ to go where i wanted to go. maybe one day when i make more money ill try again. Good luck man

 

I was being sarcastic about the 40 psi being cheap, sorry I didn't clarify it.

Imagine the cost of a 45 psi ecotech...

Imagine a BBC made for 40 psi.

Anyway why in the world would they bother making the C5R race engine if it won't hang with a SBC? Also can't you just put stock LS1 heads on the C5R to make it run pump gas?

 

Gayle Banks runs 35 psi through his sbc TT engines with great reliability quality. 800, 1200 and 1600 hp versions available, but you have to wait at least one year as he's mega busy with all of his truck stuff.

As far as the pump gas thing goes: It's not the heads that allows pump gas and big hp numbers, I wish I knew what ot was. It seems everyone here is pushing the limits with any type of LSx build and blowing up engines around the 800 RWHP range. They just don't last long. Forced induction engines I'm talking about. NRE is making 1300 HP in his TT sbc 427 engine running, in his words, "dead rich". (dyno video below) FTM also makes sick power on 91 pump gas, they only have 91 where they are. The LSx engines just for some reason can't do it, not a single one anywhere can come close to the sbc engines power on pump gas. Or, all the sponsors have no idea how to do what other shops like NRE and FTM are doing. Makes sense though, these guys have been building 1,000+ HP engines for drag boats for decades and the rules only allow 91 octane gas, so they have more experience and know how to do it, sbc and bbc engines.

Like this sick set-up. LSx engines on pump gas would explode, C5R included, and they wouldn't even get to 1,000 hp on pump qas:
https://ls1tech.com/forums/small-block-big-block-chevy-specific/536238-omg-1330-hp-pump-gas-tt-sbc-mild-cammed-street-engine.html


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You said this though:
if your talkin about a bbc swap your dumb. and for saying any bbc would waste a ls1 is dumb

Fabbing can be done for a BBC to fit in any car built, even a 3 cylinder Metropolitan. And imagine the car you like with an engine from HELL in it? Whats better than that? The only reason I bought the WS6 back in 1998 was the looks, I could care less about the LS1 powerplant. That can me modded or swapped out.

I don't see how any LSx type of engine could come anywhere close to performing like any BBC engine in the raw power and definitely the torque department. Like the 720 HP crate engine from GM, its perhaps the most pathetically "MILD" BBC engine made anywhere. The heads aren't very good in comparison to whats available and the cam is puny and its like 10:1 compression. 720 HP from a normally aspirated LSx engine takes the best, most expensive parts possible and radical everything. Futral did an all out race gas, 15:1 compression, sheet metal intake, big cube LSx engine and I think it made ~800 FWHP. Never could it be used on the street. That 720 HP BBC crate engine is a daily driver engine that would last for years and years on pump gas.

I am planning on a roll race monster, maybe it'll be a TT sbc as that does sound like a better choice, Fabrication-wise, and the torque of a BBC would be way too much. Probably roast the tires at 150mph if you stomp it.

Its also looking like the 1998-2002 WS6 Trans Am is the better choice of car. To make up, a little bit, for the aero issue, NRE takes cars to Charlotte, NC and uses the NASCAR wind tunnel for top speed builds that he does. The necassary body work modding is also done to make them stick to the ground and to help the aerodynamics.

Hopefully it starts before years end, thats the plan. Thats why all the research.




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BBC can def outperform an LSx engine, it would just be the massive amounts of modifications needed to fit that would make it more of a hassle than its worth IMO, but if your going for 1500+ rwhp and have the money and time to make it fit then def go for it as it would be a very interesting and cool swap, not to mention it will fly. I just have a couple of buddies with c6's and honestly I cant see a huge CI BBC fitting int here along with a pair of turbos, but anything is possible with enough money so if you go for it let us know and keep us updated!

 

roll racing is gay

 

I don't understand the reason for the original question. To make a c6 handle the kind of power being talked about will require so much custom work that fitting the engine will probably be minor on the mod list. I'm not knocking the idea, but when you're talking about a 100% custom job, anything will fit if you have enough money and time.