Using their specially designed...
Using their specially designed carb jig, The Carb Shop can machine carb bodies with ease.
Running Results
We finally made it to the desert recently to test the new engine for a couple (just a couple) shake down miles. At around 100 mph the hood started to bend back despite the hood pin placement.
Knowing the hood flex issue, we "speed taped" the front of the hood for the latest SNORE race. What a difference horsepower makes! We took first place in class by 10 minutes. This was a night race, so we didn't get a chance to open it up, but we definately showed how strong this monster can pull. In fact, we set our top speed going uphill!
The side-hung float is adjusted...
The side-hung float is adjusted approximately 0.250 inches from the bottom of the bowl. Notice the plugged and epoxied fuel feed hole in the upper left.
Dyno Day
The guys at Dean Schlingmann Motorsports know that the true litmus test comes on "dyno day" so they sought the help of the team at Westech Performance Group. At Westech, Steve Brule assisted in mating the freshly tuned HP 750 to this 408 Windsor. The combination was topped off with an S&B Filters 14-inch round filter assembly to insure nothing but clean air entered this engine.
Initial dyno pulls by Brule helped break in the fresh piston rings and rotating assemblies. Additionally, oil pressure, coolant temps and air/fuel ratio were confirmed so that lean conditions could be avoided. Initial dyno pulls also discovered that the oil level calibration was incorrect, resulting in a loss of 10 hp due to one quart too much oil.
The carb primary and secondary jets were adjusted to 71 and 79, respectively. Additionally, the Power valve was adjusted to a 7.5. Confirming the A/F ratio at 12.5:1, Brule went for the finish line with a final dyno pull resulting in 556 hp and 521 lb-ft of torque.
The DSM crew was happy with the results of their labors. Now the Durability test remains. After a quick vehicle prep, it's off to the desert. Class 8 should be concerned.
 On the right, the Carb Shop...  On the right, the Carb Shop specially modified venturi. This modification is believed to help atomize fuel particles while enhancing air flow through the engine. |  Here, OJ checks the carb butterflies...  Here, OJ checks the carb butterflies at WOT settings before finishing reassembly. |  Steve Brule at Westech Performance...  Steve Brule at Westech Performance performs a final visual check of the engine before preparing for ignition. |
 In all her glory, this 408W...  In all her glory, this 408W runs hard on the dyno and impresses all with 556hp/521lb ft of torque. |  To top it off, an S&B Filters...  To top it off, an S&B Filters cotton/gauze intake filter will help keep any contaminants from reaching vital engine components. |  The proof...it can't be d...  The proof...it can't be denied! |