Re: Tunnel ram carbs
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Your cylinder pressure is lower than I would expect.
Can you contact the shop that put the engine together and find out about the CR and if the cam was actually dialed in or just installed? Theoretically, installing it "straight up" will put it +4* giving you 106 ICL, but it is not uncommon for the pin hole to be drilled wrong.
Did you notice any changes in how it drives after moving initial timing to 18*?
Let's try the changes mentioned above before making other changes, so we don't lose track of what may need to be backed out.
Cheers
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