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  1. General Discussions
    Hello. I know E85 here is a bit of a controversial subject but I haven't found the answer for this anywhere on the web. I'm building a 2.4L cih with some power in mind. The engine will be getting higher compression (around 11:1-12:1) and fuel injection with itb:s and a tunable standalone ECU...
  2. 6A - Engine Mechanical
    I see in a post from 2007: http://www.opelgt.com/forums/6a-engine-mechanical/8812-opel-springs-big-valve-head.html That RallyBob commented: FYI, stock spring installed heights on a 1973 1.9 engine are: Intake: 1.57" - 93 lbs Exhaust: 1.36" - 97 lbs Can anyone tell me what the installed spring...
  3. Fuel Injection Mods
    I'm in the process of figuring this all out. My plan is to retain the stock 2.4 EFI system and swap the 2.4 manifold for a cut down 3.0l with a larger throttle body. The engine arrived to me with the manifolds and all wires disconnected. I have the complete wiring harness and ECU. The engine is...
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