Induction and Exhaust

  • Muskratt2
    Aluminum or Cast Iron Intake?
    Muskratt2 30 Jul 2010 - 08:41

    I'm researching the build for my upcoming 460 MPG/Torque rebuild. Here's the question I'm asking. Should I go with the stock cast iron intake or should I go with an aluminum intake? I know about the weight...

    2 comment(s)
  • mpgmike
    Boring out throttle bodies
    mpgmike 11 Apr 2010 - 15:54

    Many of the newer throttle bodies have somewhat of a ridge.

    [img]http://i223.photobucket.com/albums/dd270/mpgchris/...

    9 comment(s)
  • ssheen
    50-75% increase in mileage!
    ssheen 10 Mar 2010 - 01:58

    They were a finalist at the Advanced Research Projects Agency (ARPA-E) Energy Innovation summit held in Washington, DC, at the start of March 2010.

    Story is here...

    3 comment(s)
  • fury fan
    electric heater under carb, EFE (Early Fuel Evaporation)
    fury fan 6 Jan 2010 - 17:41

    Stumbled across an interesting item on Rockauto.com. It's basically a carb gasket for between carb and intake, and it has 2 small electric heater elements underneath the throttle bores. They come in a...

    1 comment(s)
  • t120r
    Injector placement
    t120r 18 Nov 2009 - 06:48

    I was doing some thinking today and wondered where I should point my injectors for my 429. I'm putting them into an Edelbrock manifold. Should I point them at the valves or no? Any ideas?

    2 comment(s)
  • threepiston
    New type of carburetor
    threepiston 29 Oct 2009 - 00:31

    I have no experience with this, I just now learned about it 5 minutes ago.

    [url]http://www.prosystemsracing.com/svseries.html[/url...

    2 comment(s)
  • racprops
    Fuel Vapor
    racprops 4 Oct 2009 - 14:29

    Some bad news:

    The Truth About Vapor Fuel Like many others, we have heard stories of vapor systems that achieved incredible mileage. We have spent the last seven years, and a great deal of our...

    4 comment(s)
  • bobkrack
    Multiple "squirts" per rev?
    bobkrack 10 Jun 2009 - 11:52

    My 6 cylinder Ford F-150 (4.9 liter) has 6 port injectors. The wiring diagram shows all three of injector bank one injecting at the same time and all three of the second bank at the same time (as each...

    4 comment(s)
  • threepiston
    Throttle blade modification
    threepiston 2 May 2009 - 23:09

    I did this to my Saturn SL1 while I had the TB out for cleaning. All I did was to carefully grind the trailing edge of each side of the throttle blade, then to radius it with the wire wheel. I only did it...

    5 comment(s)
  • pstrbrc
    digital egr valve info
    pstrbrc 23 Mar 2009 - 12:00

    OK, I'm still 'bench-racing" my high-mpg project, and now I'm looking for info on the digital egr valves that GM has been using for the last 15 years or so. I'm MegaSquirting, and I'm checking into software...