cylinder head

  1. J

    All Small Six i6 250

    I'm having a hard time finding remanufactured heads for this model of engine. I know that the head is interchangeable with the 170 and 200, so maybe I'll go that route. I have a broken exhaust flange on the rear part of the engine. Doesn't affect the engine, but makes me wonder if the head is...
  2. Crustang to Mustang

    250ci Crossflow Head on a Pre-Crossflow 250ci HP Gain

    What is the performance gain of bolting a crossflow head on a pre-crossflow block?
  3. willstuff

    FOUND Aussie 250 Head or CI/VI head for my 200 block

    Hello friends. I know they're very hard to find but I'll just leave this here anyway: I'm looking to improve the performance of my 200ci and an aussie or aluminium head would be a great mod. If anyone is selling theirs, or knows somebody who is, I'd love to talk to them. Thank you.
    • willstuff
    • Thread
    • aussie cylinder head
    • Replies: 3
    • Forum: Wanted
  4. Small Six Cylinder Head Swaps

    Small Six Cylinder Head Swaps

    Original Source: https://ciarchive.fordsix.com/HeadSwap.html First, let start by saying that all 144, 170, 200, & 250ci heads are interchangeable.... and while the valve size, chamber size (cc's), and intake/port volumes (cc's) changed over the years, all of the small six cylinder heads will...
    • 1966Mustang
    • Article
    • 7 min read
    • 1101 swap 200cid aluminum head cylinder head falcon performance handbook small six
    • Category: Cylinder Heads
  5. Flow Testing the "Log" Cylinder Heads

    Flow Testing the "Log" Cylinder Heads

    This tech article is a "work in progress". Information will be added as it becomes available. Over the past few years we've flow tested several Australian 250-2V cylinder heads, as well as our own Aluminum cylinder heads. However we've always wondered how the cast iron "log heads" stacked up...
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