Belgian1979vette

Anyone any experience with these. Just a question, because I think these are way over my budget, but the seem to be trick stuff ;

http://www.araoengineering.com/pakag...%20High%20Port

http://www.redlineweber.com/html/Fue..._Contents1.htm

comp

have seen in pics,, look

gkull

I saw them at a car show more than 5 years ago. The real advantage is valve weight. Valve train failure is the real RPM limitation on any motor. Well with 4 valve heads You can turn your motor 8000 - 9000 - 10,000 rpm.

Those heads are not really that much when compared to 12 - 18 degree small block heads equipped with shaft rockers and the special pistons required to run altered valve heads. I just installed Special Wiseco pistons made for Brodix -12 heads cut for up to 2.200 intakes and clearance for .800 lift and they were something over $800.

I'm still using my Dart 227 CC heads with a little over .700 lift on my 434, but I just installed the pistons on the rebuild for future expansion in case I bought Brodix heads

kaiser

Can't help with the heads, never used them.


Re the intakes and computer control for FI:

Individual runner intakes are great to look at, but IMO don't make much sense for a street car.
Alpha-n control might be OK for a race engine, but there are better solutions for anything
that runs on the street.

For a regular driver, there are a variety of computer control designs - I favor GM hardware
for reliability, cost, and parts availability.

1. If you are interested in TBI type intakes, the people here have upgraded the GM 747
ECM to more extensive capability: http://www.dynamicefi.com/

2. For port injection intakes, I find the GM 727 has lots of capability built in already:
http://www.thirdgen.org/techboard/di...ve3-patch.html
http://www.thirdgen.org/techboard/di...uper-aujp.html

The above both run 8-bit software. If you want something more modern-

3. Some folks have converted over to later GM truck PCMs that can use a distributor and
are still capable of sequential injection:
http://www.thirdgen.org/techboard/di...ion-gen-i.html
http://www.thirdgen.org/techboard/di...-its-time.html

I haven't played with one of those yet, but I believe they are based on 16-bit CPUs.

And of course the current GM racing teams are able to use the stock GM C6 computers:
http://forums.corvetteforum.com/show....php?t=1048050

If you are going to use a blower, the Megasquirt might be the place to start- the software is
more straight forward than what GM wrote for their engines: http://www.megasquirt.info/index.html

There is a list of other suppliers here:
http://www.thirdgen.org/techboard/df...i-systems.html

It all depends on your project goals.

BrianCunningham

Why not just get an LT5?

Belgian1979vette

Well, I have looked over FI several times, but the cost factor always kept me from doing it. For an adequate high performance system, you will pay more than 3000

SHINOBI-X

I wonder if the cost per hp factor is good....Thats some real $$$ but they can flow 400cfm!