BBB Gains?

[Dubeckyj]

Do any of you old-timers recall what the actual outcome of Kirk's V8 BBB's were? The original post on V8sho is down, and any searches I do just come up with hearsay and yelling. Was it comparable to removing the guts of a stock LIM? Was there porting done on the rest of the intake?

Still looking to pull an extra pony or two out of this thing.

 

[My_Silver_SHO]

Do you have any other mods?

 

[jimtash]

What we should be looking at is a version of the dual runner intake system that was originally purposed for the engine. When the car has to run on 3 valves at the low end, the design of the system is flawed. Also that carbon build up jams the butterflies in the LIM because of how it functions is indicative of a rushed design as well. Look at the other Duratec engines. They all use the dual runners yet the V-8 got this thing that is a compromise on performance. What a failure on Ford's part when this car could've kicked ass. They are such good platforms that are being underutilized by the lack of performance.

I'm very surprised no one in the engineering side of things in this community hasn't come out with an intake. Shame these cars have so much potential but are ignored.

http://www.v8sho.com/SHO/PreProductionV8Intake.htm

 

[Sammy~D]

What we should be looking at is a version of the dual runner intake system that was originally purposed for the engine. When the car has to run on 3 valves at the low end, the design of the system is flawed. Also that carbon build up jams the butterflies in the LIM because of how it functions is indicative of a rushed design as well. Look at the other Duratec engines. They all use the dual runners yet the V-8 got this thing that is a compromise on performance. What a failure on Ford's part when this car could've kicked ass. They are such good platforms that are being underutilized by the lack of performance.

I'm very surprised no one in the engineering side of things in this community hasn't come out with an intake. Shame these cars have so much potential but are ignored.

http://www.v8sho.com/SHO/PreProductionV8Intake.htm

on the drawing board

 

[Dubeckyj]

Do you have any other mods?

Gutted secondaries
Cone filter (WAI; need to move the battery to feed 4" pipe into the fender for CAI. In progress)
Free-flow mufflers
3rd cat delete
Custom tune via SCT advantage software
Basic maintenance
Welded cams
3.98 gears

Down the line:
UDP
Phenolic spacers, if I can find some/get some made
Maybe half-shafting the throttle body and cleaning up the intake side to help venturi?
um... wearing shorts instead of jeans to help the power to weight ratio?

I'm nearing the end, so I'll slowly be chasing every half-horsepower I can. I haven't looked at that 80 degree bend after the TB. Maybe there's smoothing to be done there? Or just lots of cleaning.

Dyno time is expensive, so I don't want to go until I've done all that I can, and just finalize the spark and fuel maps.

So, anybody remember the actual numbers?

Or, what were the gains on long-tube headers? Doug, what do you want to retail one of those bad-boys for?

@ the others RE: dual-runners; let me know when you come up with something.

 

[My_Silver_SHO]

I would love long-tube headers, but $600 would be my limit.

 

[kevinspann]

Packing headers would be quite an issue I think...

 

[jimtash]

on the drawing board

Do tell. You have a couple of things to figure out here. One is the lower intake manifold that needs to go. I doubt they were a part of the original system. And you need to come up with something in its place where you can put the intake on plus the injectors. They sit on the lower intake and that design is so crappy, the fuel only sprays into one of the butterflies of each cylinder. The other is shielded from the fuel spray and why it has carbon build up issues.

 

[Dubeckyj]

I would love long-tube headers, but $600 would be my limit.

Half-decent SS headers for common engines run around $1200. If we had a dyno proven set for $1500, I'd be super happy.

Do tell. You have a couple of things to figure out here. One is the lower intake manifold that needs to go. I doubt they were a part of the original system. And you need to come up with something in its place where you can put the intake on plus the injectors. They sit on the lower intake and that design is so crappy, the fuel only sprays into one of the butterflies of each cylinder. The other is shielded from the fuel spray and why it has carbon build up issues.

Just source the original manifold and get it reproduced?

 

[SHOZ123]

 

[jimtash]

Nice. Fabricate a crossover pipe to rid the dual throttle bodies for easier install. It has a vacuum canister for the butterflies instead of the cable and the lower intake is similar to the production version. Easy install for the V-8's. Still have to modify the LIM to make sure all the butterflies get sprayed with fuel. Just to prevent carbon buildup if anything. Center them in the LIM instead of placing them in just one bore like the production. Have to find a way though to make it a full time four valve engine instead of 3.

Why is that thing on an engine stand and not in your car?

 

[stephen newberg]

Why is that thing on an engine stand and not in your car?

That was my first thought and concern also, Paul. What is up?

pax, smn

 

[SHOZ123]

Ha, all I have is pictures........

 

[jimtash]

Ha, all I have is pictures........

Where did they come from?

 

[SHOZ123]

 

[Dubeckyj]

I remember somebody here having one on their shelf.....

Also, I was under the impression you don't have your SHO anymore, Paul.

 

[jimtash]

I got some chocolate to trade.

 

[jimtash]

I remember somebody here having one on their shelf.....

Also, I was under the impression you don't have your SHO anymore, Paul.

FPS supposedly had something but don't know.

If anything Sgt Schultz would know what's up. Probably even knows the flow characteristics of it.

 

[dohcsho]

I already work on a dual-plenum intake crossram style manufacture two intake of sho, but never finished because lack of space underneath the hood ... lol, time and money. you must cut half of each runner pair fend for one another in front and at back then left to do the plenum and the crossover pipe with a butterfly in the crossover tube. think I can use a cobra IMRC has two wire to operate the intake and lower crossover buterflies.ce tube is not easy to make but for low rpm you will take advantage of the Helmholtz resonator as two-line 4 cylinder.

 

[jimtash]

One thing I notice is that only the outer cylinders of each bank get the long runners while the inner 4 are all short. What's up with that?