The Angle On Valve Seats
Valve seats seem to be a fairly simple engine component but they play a critical role in sealing compression and cooling the valves. When a seat becomes worn, it may leak compression and allow the valve to run hotter than normal. The same thing can happen if the seat is out-of-round or has lost its
Candidates Announced for SEMA Board of Directors 2024 Election
Voting will take place online beginning May 28 and is open to current SEMA-member companies.
Shop Solutions – February 2024
Submit your Shop Solution at [email protected].
Degreeing the Camshaft and Checking Valve-to-Piston Clearance
Jeff McCord of LinCo Diesel Performance walks you through degreeing a camshaft and checking valve-to-piston clearance.
The Importance of a Good Valve Job
The valve job ensures the mating surfaces of the valves and the seats properly control the air/fuel mixture.
Getting Better Cylinder Head Airflow
When it comes to improving horsepower and rpm, airflow has a lot to do with it, and it seems the job is one that’s never finished.
IRD Racing “Rated R” Blow Through Custom Carburetor
IRD custom carburetors are made with the finest billet pieces to handle extreme boost.
Single-Turbo 5.9L Cummins Engine
Aaron West has done a few smaller scale builds to date, but he recently finished up a “Frankenstein” truck that is pretty impressive. The body is a 1990 Dodge D150, while the chassis is from a shortened 2003 Dodge 2500 4WD, and the engine is a turbocharged 5.9L Cummins. It’s our Diesel of the Week!
Hot Shot’s Secret Adrenaline RTL Racing Top Lube Fuel Additive
Hot Shot’s Secret’s Adrenaline Racing Top Lube reduces wear and scuffing, lubricates upper cylinders and the entire fuel system.
SCCA Board of Directors Election Results
The Sports Car Club of America (SCCA) has released its 2023 Board of Directors election results for four of its 13 geographic areas. Lyn Hodges Watts of Silver Springs, FL, retained her seat as Area 3 director after running unopposed. Incumbent Dayle Frame of Dewitt, MI, also retained his seat as Area 4 director. David Vodden of Willows,
Manley “Extreme Duty” Inconel Exhaust Valves
Manley’s Extreme Duty valves are manufactured from unique XH-432 XtremeAlloy, which has been the mainstay of drag racing’s top pros for decades.
All About Those Valves
We recently sat down with Ryan Hamilton and Phil Data of SBI, as well as D&J Precision Machine owner Drew Pumphrey to talk about everything valves – problem areas, materials, sizes, angles, valve jobs, seats, and even springs. Check out this latest Intellectual Horsepower episode brought to you by SBI.
Rebuilt 4B Cummins Engine
R&R Engine and Machine is a quality engine rebuilding shop right in our backyard of Akron, OH! They work on all kinds of engine platforms, but Cummins is one of their specialities. They recently rebuilt this 4B Cummins that came out of a wood chipper.
Shop Solutions November 2023
Many times, the flange diameter of the rod nuts will contact the radius around the nut seat on some rods. Some jobs may not warrant the expense of spot facing the nut seat on the connecting rods. In that case, it can be quicker and more effective to just machine a chamfer on the ARP rod nuts.
Trick Flow Specialties DHC 200 Aluminum Cylinder Heads
Trick Flow Specialties DHC 200 Aluminum Cylinder Heads combine the classic looks of 1960s-era ‘camel hump’ cylinder heads with CNC-ported airflow capabilities to give a small block Chevy a big dose of horsepower. You can see the heads for yourself at the Trick Flow Specialties booth #23011 in the Race and Performance Section, Central Hall.
Twin-Turbocharged 12-Valve Cummins Engine
Life-sized Hot Wheels? Say less. Sean Smith and his wife built this rat rod from scratch and it was a contender in last year’s Hot Wheels Legends Tour. But it’s not only for show – thanks to a twin-turbo’d 12-valve Cummins under the hood, this ride makes quite a bit of power too!
Silver Seal Products’ Magnum 45 Valve Seat Wheels
An excellent wheel to use on diesel engine tractors and trucks.
427 cid Ford Windsor V8 Engine
This one-of-one Panozster we saw at the Cleveland Auto-Aviation Museum features a number of unique traits that make it a truly special roadster, including its 427 cubic inch Ford Windsor V8 engine! Check it out.
Speedmaster Assembled Cylinder Heads
Speedmaster Assembled Cylinder Heads come ready to run with stainless steel valves; valve springs; and valve seals, locks, and retainers. They are sold in pairs.
Compound-Turbo 6.0L Powerstroke Engine
Did we expect to see a 1962 Ford Country Squire at a huge diesel racing competition? No. Were we inevitably hyped up when we saw one at the 2023 Ultimate Callout Challenge? Hell yes. This one has a beefy 6.0L Powerstroke swapped under the hood making it a kickass combo worthy of our Diesel of the Week!
