Can't find any info on how this kit runs. Cheap, looks nice, but does it perform nice too?

Chevy-SBC-350-Down-Draft-EFI-Stack-Intake-Manifold

 

It wins in the looks department, that's for sure

 

I saw a Nova site that gave that brand poor reviews, but have no personal experience with them. They do look great! This article might be of interest to you.

 

I'm sure induction noise is a win a WOT too.

 

Chinese made......needs lots of additional parts......what will you do for vacuum with an IR intake.....what injection system are you going to run it with.....no MAP sensor ability. Maybe you or BJ can try it with their aluminum SBC motor, I'm sure it will work excellent

 

There is a Throttle Position Sensor. Megasquirt would be fine for that.

Just opening the subject. Asking for everyone's opinions, or experience, but could not find any review.

 

Only 3 bolts on each side hold the intake to the heads. I would pass for that reason only. I have had many leaks at the intake gasket over the years with all the bolts and American made parts.

 

You obviously have no experience with AlphaN controlled EFI systems....but, what's a guy like me know. Be my guest....buy it and let's us know how it works out for you

 

It would take some work...OK - a lot of work...and trust me the initial $1K is just a drop in the bucket...

Megasuirt has a piece that will handle ITB's- a little over a grand ($1200 w/ harness). To do sequential injection your gonna need a crank AND cam sensor. Also need a IAT and a O2 sensor . Looks like the standard Bosch injectors would work. I am running a couple of knock sensors as well.

Don't know about their design- but might also need a idle control valve/ stepper motor to control idle.

From the MS3 PRO manual- "ITB setups do not have good vacuum at idle or low RPM, and slightly touching the throttle makes them lose all vacuum, but at higher RPM start to respond more like a traditional single throttle body engine. This mode allows the use of speed densityat low engine loads and switches to alpha-n at high loads, with an adjustable switchpoint curve over RPM."

I went to the trouble to incorporate a vacuum system on mine- for a MAP sensor and the Fuel Pressure Regulator- am able to see almost 10 At idle.

More than likely want to ditch the Distributor and do COP while you were at it.

I would just be interested to see how close the blades are- as far as adjustment to each other.

I used the Jenvey (company in the UK)- but am able to fine tune the blades.

Here's it running- initial start- open pipes-






An does do it as far as the looks department-

DSCN4590 by richardhayes454, on Flickr

 

Yeah, I read that. I don't think it is a good idea either.

Nice setup!

I am sure it would be more work. Lots of work.

I don't think it is quite the deal it looks like it is. Other ITB setups I found where way more money, so there has to be a reason. It probably runs like crap, so I doubt I'd buy it, but I'm fishing for opinions here, so who knows, maybe someone out there is running that setup, and they are quite happy with the results...

 

The cheapest out of the box efi systems are $2500-$3000. 8 stacks are $4k. If you buy one for $1000, you could end up spending much more and never get it to work properly.

I have the Inglese and it works great but it was expensive. There are nice 2 x 4 systems, (dual quad), out there and F&B makes a nice tri-power efi that is priced reasonably.

 

I bet I could get it running fine on some cheap ebay injectors and a microsquirt. Y'all worry too much

 

hope you don't mind me sidetracking this thread a little but

-would there be enough vac to run the headlight actuators? (assuming non vac brakes)
-how would a quality 8-stack setup compare to a 4 barrel efi setup or miniram for performace?
- what are the pros & cons between cross ram & downdraught systems?

 

To run the vacuum system off this manifold you would have to fabricate a vacuum takeoff at every intake port, run it to a common plenum box and hope after all your efforts you sourced enough vacuum to keep the Vette tank charged ( Solution...electric vacuum pump adds expense.) 8 Stack would probably have LESS bottom end torque based off the length of the stacks in the photo to put it in prespective, go look at a Sprint Car fuel injection system, stacks are 8-14" in length and are changed to alter the motors torque range....the longer the stack the better the bottom end torque.....these are super short stacks! Downdraft system will gather air at top of engine compartment, if you utilize this to make a fresh air intake with cooler temperatures, it will make more power than a cross ram intake that take air off the blazing hot ( at high RPMS due to valvespring tempratures ) valve cover/exhaust header area, unless you fabricate a bulky always in the way fresh air inlet into the cross ram set-up like on the C5/6/7? R GM racing Corvettes. There is a big " coolness " factor to the cross ram set-up. You want to drive and have fun? REGULAR 4bbl EFI unit/Mini-ram set-up. Want to look " cool " while parked at the show ( and probably the way your Vette will be most of the time...PARKED! ).....this set-up

 

Cool, I mean not cool .....