Build, text and photos by Mike Mavrigian This final article installment covers the completion of the 408 LS build, along with the engine dyno results. Our radical-looking baby pulled a respectable 670.5 HP at 6500 rpm and 581/7 lb-ft of torque at 4900 rpm.
Tag: TOTALLY STAINLESS
Build, text and photos by Mike Mavrigian Part 3 of the 408 LS series continues the build, discussing areas including sensors, oil pump, cylinder heads, valvetrain, front cover, water pump and crank damper installations. In Part 4 of the series, we’ll conclude assembly and provide a peak at our dyno [...]
Build, text and photos by Mike Mavrigian BLOCK PLUGS Using all new GM plugs, I installed the four threaded water jacket and oil plugs on the outside of the block (three steel 16mm plugs and one brass 30mm plug). These plugs feature straight metric threads. No NPT threads exist on the OE block. [...]
Build, photos and text by Mike Mavrigian This build features a GM LS platform, bored and stroked to 408 CID, with a 4.0305” bore and 4.000” stroke. A few of the notable elements include adapting Gen 1 smallblock Chevy valve covers to LS heads and a conversion to carburetion, this time using a [...]
The flattie, adorned with chrome plated headers from Red’s Headers. These pipes fit like a dream. I thought I’d provide an update with regard to both the Ford flathead build (which has already appeared as a 5-part series on precisionenginetech.com and in the latest issue of Hot Rod & Restoration magazine), as well as [...]
Build, text and photos by Mike Mavrigian It’s time to talk about the fuel system on our little 8BA. I chose a triple-deuce setup, using three Barry Grant Demon 98 2-bbl carbs. The center-mounted carb serves as the primary carburetor (P/N 9801), and the front and rear carbs serve as secondaries (P/N 9802). The [...]
THE DYNO RUN Build, text and photos by Mike Mavrigian . Well, we finally ran this engine on dyno. The dyno location was Platinum Engine Designs in Norwich, Ohio, a clean-as-a-whistle top-notch race engine shop in southeast Ohio, equipped with a late-model SuperFlow engine dyno.
The final product is a bit more enhanced than the in-progress photo shown here. I’ll discuss our chrome water pump upgrade, the final custom alternator setup and the complete fuel system setup in the next article. ….. This installment of our Ford Flathead series discusses the timing cover/distributor housing, setup and installation of the MSD [...]
I’ve decided to have the water pumps and pulleys polished and chrome plated. This will provide additional visual appeal. Engine build, text and photos by Mike Mavrigian In this series installment, I’ll discuss final installation of the rods and pistons, the oil pump and pan, timing cover, water pumps and cylinder heads.
She’s done. In this article, we’ll cover crankshaft balancing, valvetrain and crankshaft assembly. How do you like the plug wire routing? I’ll cover this in a later article installment. I’m considering having the water pump pulleys polished and chrome plated. By the way, the water pump/alternator belt pulley alignment is perfect. If the belt looks [...]