RPM Airgap vs. non-Airgap?

Yeah the outside garage setup is nice. I got a good laugh out of your comment.

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or seek out the nearest race facility that sells race gas (look into places involved in Baja racing as they run higher compression engines and are refered to as off-road vehicles and they are allowed to use higher octane fuels not to mention costs a little less because you don't pay road tax for the fuel

We have a little dirt circle track at the fairgrounds in Ventura. I should ask some of those guys. Maybe they know. Plus there are a couple small airfields around too. May be a little impractical really but would be nice to have the extra pep.

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is that a true calculated 10.1 CR?

Was built as a "turn key" by Magnum Superchargers in Michigan which I picked up on Ebay for a steal. So, I'm not 100% sure if the 340 was zero-decked by the engine builder. Have heard they do good work with many 8-9 second cars. I should give them a call to see if that is standard practice for them. I guess if it is little bit off then my detonation problems could possibly be less with the proper timing like you say. FBO is helping me out with the proper timing issue too. Thank God for this good guy.

I'd love to see the diff between the M1 and RPM especially since most of the crate motors come with the M1 single plane. But, I may just say %^&* it and rip it with the RPM :headbang: