Mailbag: Curing Unwanted Vibration in a 5.0L-Powered ’66 F-100 Pickup
Q: Help! I have a 1966 Ford F-100 pickup with a transplanted 5.0L from a 1991 Mustang and the following mods: Ford Performance cam (220° duration/.498″ lift), Airflow Research CNC-ported 185 cylinder heads, Edelbrock Performer intake manifold, Holley 600 cfm carb, B&M flexplate with a 50 oz. balance, TCI C-4 Street Fighter transmission, and a TCI
Mailbag: Diagnosing Engine Breakup at Highway Cruising Speeds (& Broken Dampers, Too)!
Q: I have a 1973 Ford Ranchero. It has a stock 302 engine with a two-barrel carburetor, a C-4 transmission, and an open-type rear axle with 3.08 gears (I think). The only modifications are headers and a dual exhaust. At about 50 miles-per-hour and above, the engine starts to break up. Acceleration up to 50 is
Mailbag: How to Read the Timing Marks on Small Block Ford Balancers
Q: I’ve purchased a new harmonic balancer for the small block in my 1965 Mustang. There are three separate sets of degree marks on the balancer. Which should I use to set my ignition timing? A: Ford used three different Top Dead Center (TDC) locations on its small block engines. So, some harmonic balancers have three sets
Video: An In-Depth Look at Summit Racing LS Harmonic Balancers
Watch this video and learn the ins and outs of Summit Racing Street & Strip® Bracket Racer SFI Harmonic Dampers for LS engine applications. These particular harmonic balancers were designed with bracket racers in mind. They are constructed from carbon steel, have been tested up to 12,500 rpm, and are 18.1 SFI-rated which will pass tech inspection at virtually
Balancing Act: A Guide to Harmonic Dampers and Balancers
There’s a lot of confusion about harmonic balancers. Heck, we can’t even agree on the proper name. Is it a balancer or a damper (we tend to lump them all together)? And furthermore, what does it even do? In this post, we’ve enlisted the help of Summit Racing, Fluidampr, and ATI Performance to provide a
Harmonics 101: Understanding Harmonic Dampers
[portfolio_slideshow id=27531] Some call it a harmonic balancer. Others refer to it as a harmonic damper. Whatever you call it, that big chunk of metal hanging off the crankshaft snout of your engine is essential to your powerplant’s wellbeing and performance. Its job is to absorb harmonics, so from here-on-out we’ll refer to it as a harmonic damper (its only true




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