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Thread: 20 valve heads

  1. #11
    :lol: i think the paper gasket would blow first!..
    if you want to get a smaller gasket for the 3s head or a steel one, i can work the difference in compression 4 u np.
    ......in the bluecorner , fighting out of japan....

  2. #12
    even if compression ratios weren't a problem, nothing would line up (head bolts, oil/water galleries, combustion chambers). Also the port and valve sizing would probably be too small for getting decent power out of a 3sgte. Also the 20 valve thing is a bit overrated, some, if not all of the most powerful 4age's I've seen have been 16 valves

  3. #13
    That would make a cracking normally aspirated motor though at 13:1 compression - you'd have to run 100 octane or race fuel!

    Change the valve train to use solid lifters, cam it up with some really wild profiles and I bet it would shift well for a 2 litre na.
    http://www.target-earth.net (My cars & projects, video games, computers, etc)
    1993 Porsche 911 Turbo : almost standard ;)
    1974 Ford Escort mk1 : wide-arched + Vauxhall XE 16v on carbs
    ex-owner of UK mk1.5 conversion #3 : white & black Eurosport kit, rev1 3SGTE, ct26a, gone but not forgotten :cry:

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