3933163 bbc
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From: I tend to be leery of any guy who doesn't own a chainsaw or a handgun.
I'm playing around with a similar (stock looking) configuration (milled divider and staggered jetting) this spring, and looking to see how the engine runs at the top end, and what additional jetting changes may be required. I've never run onto a decent write-up about the stagger jetting that explains the actual physics of what's happening in the ports/runners/plenum that requires this jetting bandaid. If anyone knows of a decent engineering write-up on this, I'd be grateful for the information. Thanks.
Le Mans Master
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From: melbourne florida
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I don't know about engineering write ups but stagger jetting was generally taking plug readings on each cylinder and pairing it to the individual intake runner. That's a simplistic view and there are likely more accurate ways of getting there.
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Le Mans Master
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The ragazines of the 70s said if you wanted more upper power with the duel planes to remove an inch as I recall from the center devider. The edelbrock tarantula I had on my 454 the carb was twisted on it.
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The stagger jetting also went along with the specific L-88 carb with the mixture tabs on a couple of boosters.
In general I think it was way over hyped at the time. It was just basic tuning trying to even out mixtures....nothing that doesn't happen on any intake if you were to put an 02 sensor in each header tube.
JIM
In general I think it was way over hyped at the time. It was just basic tuning trying to even out mixtures....nothing that doesn't happen on any intake if you were to put an 02 sensor in each header tube.
JIM
