Total Seal’s Keith Jones Offers Break-in Advice

EngineLabs: Self-tuning EFI systems are quite popular now, but is there a concern for breaking in a new engine with such a system?

Jones: Most important is that it not be overly rich during the break-in period. This is a very common issue with aftermarket EFI & carbs alike. It’s very important to get a proper air/fuel ratio as fast as possible. The newer systems do perform this fairly quick and are generally not a problem, but at the same time the end user needs to be sure it is correct. Overly rich fuel systems can “fuel wash” the cylinder, and the worst time for this is on a fresh engine. Read more

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From Junk To Champ: Rebuilding A Swap Meet Holley 850 For Cheap

With new products being slung left and right, if you’ve got deep pockets, by all means, have at it. If you desire the industry’s latest and greatest, you better have the greenbacks to back it up. On the other hand, if you’ve only got a cheeseburger allowance (like us) to play with, then scoring a swap-meet carburetor for less then what the average tire alignment costs — you’ve scored.
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Advanced Tech: Getting to Know MSD’s Power Grid Features

MSDbug2 Racers have long coveted a universal timing controller that would allow them to seamlessly merge various ignition controls and data logging functions with different racing applications. So it was no surprise a few years back when Autotronic Controls Corporation, better known as MSD Performance, came up with that very hardware. MSD’s versatile Power Grid system was originally conceived when turbo drag cars underwent a wholesale conversion from gasoline to alcohol in search of greater performance. Boost levels quickly escalated and engine builders began switching from Digital 7 ignition boxes to Digital 8s to ensure the spark energy required for richer fuel mixtures. To retain the full programmability found on the sevens, they had to merge the two boxes, prompting MSD to consider developing a programmable Digital 8 unit. Read more
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