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Opel Addict Since 73
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358 Posts
Discussion Starter #1
Does anyone have experience improving performance of the 75 motor using the stock F/I? What would be the best piston/cam/cylinder head combination for the stock F/I? Has anyone played with the intake plenum, brain box or ignition timing in this motor? Any advice and/or experience would be appreciated.
 

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Super Moderator
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1,798 Posts
Another Opel site

Try:

opeltuners.com

They have some interesting articles on tuning and modifying Opel EFI systems. Good luck!
 
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