4-21-08: Nesbitt Goes Undefeated at Rockingham-Wins Summit All-Stars Title & Spring Nationals in Quick Rod!!
4-20-08: APD Customers Dominate Summit All-Star Shootouts in Rockingham--Lynch wins T/S, Nesbitt wins Q/R, Hazelton wins H/R, Beard R/U's in Stock!!
4-13-08: Steve Furr Doubles Up at MIR with wins in Super Rod & Top Dragster!
4-13-08: Jimmy Lewis Makes two more finals at Dallas LODRS--takes Win in T/D, Runner-Up in S/G!
4-12-08: Luke Bogacki Dominates DRR Gator Cash Nationals in Gaineville--Earns Win & Runner-Up in Super Pro, plus two wins in Sportsman!
4-6-08: APD Nearly Sweeps Super Stock in San Antonio--Scotty Richardson over Michael Beard in Saturday Sports National. Richardson Runner-Up in Sunday National!
4-6-08: APD Sweeps Top Dragster in San Antonio--Luke Bogacki over Troy Williams, Jr. in Saturday Sports National. Gary Williams wins Sunday National!
3-30-08: Jimmy Lewis Continues Hot Streak with Super Gas Win at NHRA O'Reilly Spring Nationals!
3-30-08: Scotty Richardson makes second national event Super Stock final in '08; earns runner-up in Houston!
3-16-08: Jimmy Lewis mows thru the Super Rod field at San Antonio Pro-Am; picks up back-to-back victories in Sunset Corvette Roadster!
2-10-08: Scotty & Edmond Richardson Keep Top Dragster in the family at Immokalee: Edmond takes Day 1 Pro-Am, Scotty wins Day 2. Scotty gets victory over Edmond in Sports Nationals on Day 3!
2-8-08: APD Customers Dominate IHRA Opener: Carlton, Thompson, Richardson, Beard take wins; Bogacki earns Runner-Up!
12-7-07: Troy Williams, Jr. Continues Dominant run with $20,000 Triumph at Carolina Dragway!
11-30-07: APD Dominates Piedmont's Footbrake Nationals as Pennington & Davis score big wins!
11-25-07: Troy Williams, Jr. dominates Moroso 5-Day Championship with two event wins & points championship!
11-15-07: Jason Lynch earns Bradenton 5-Day Points Championship!
11-7-07: Sherman Adcock Wins NHRA Super Gas World Championship!
11-5-07: Luke Bogacki Clinches DragRaceResults.com/Goodyear Bracket Series National Championship in both Super Pro & Sportsman!
11-1-07: Damien Hazelton Wins IHRA Hot Rod World Championship!
10-20-07: Aaron McCaulla earns Tenn-Tuck Triple Crown "Co-Championship"
10-1-07: Gary Williams Wins 13th Annual Million Dollar Race!
10-1-07: Davis, Williams, and Brown Dominate Million Dollar Weekend with APD!
Article Title: APD Introduces New Diaphragm Bypass Regulator Article Date: 12/21/2005 Article: APD Introduces New Diaphragm Bypass Regulator
Article Title: APD Introduces New Diaphragm Bypass Regulator Article Date: 12/21/2005 Article:
The experts at Advanced Product Design are at it again. This time, the carburetor and fuel system magnate from Western Ohio has developed a new diaphragm bypass regulator for use on belt driven fuel systems in drag racing and circle track applications.
The Bypass Regulator isnt a new idea--were not reinventing the wheel here, just perfecting it, said APD representative Jerry Dooley. This unit was designed with the racer in mind, because thats what John and the guys at the shop are: racers.
Benefits to the new APD bypass regulator include: a smaller, lighter, more compact design than any other on the market. The APD bypass regulator features a user friendly jet passage, with a smaller cavity than that of competitors, which allows the user to easily install the idle jet (a standard Holley jet) with a screwdriver. Plus, designers put wrench flats at each outlet, making installation and plumbing less tedious.
More importantly, in-house and independent research and testing has found that the APD diaphragm bypass regulator develops an exceptionally flat, smooth fuel curve, effectively eliminating fuel pressure spikes.
The fuel curve on this thing is remarkable, said Dooley. We see so many racers depending on the old brass poppet setups. A data logger or dyno session shows the superiority of the bypass regulator. The old style can actually stick and move during a run, effectively raising and lowering float position at various points of a pass, which richens or leans the engine. The problem there is that its not a its broke, we need to fix it kind of problem. Rather, it sneaks up on racers, and rears its head intermittently, so its hard to diagnose. The bypass regulator is the remedy, and weve developed the most user-friendly piece on the market today.
The APD bypass regulator features a 3/8 N.P.T. inlet and a -8 O-ring return outlet, making it easily installed and compatible with most aftermarket fuel logs, and the regulator is totally rebuildable--a necessity for alcohol competitors. The APD diaphragm bypass can be mounted off a diverting valve inline, or off the fuel log near the carburetor (which APD recommends).
The Diaphragm Bypass Regulator (APD Part Number 6020) is machined in-house at APD, and is available through the company and its dealers at the retail price of just $89.99.
For more information on this product, or any of APDs products and services, please contact APD at 678-297-1222 or visit us online at www.apdracing.com.
