Combine an electrified turbocharger with a battery pack, you’ll scarcely believe the effect!

by App Studios | Jun 3, 2014 | Induction, Press Releases | 1 comment

By Freddie Heaney: If you reduce engine displacement by 50 percent, add an electrified turbocharger and connect it to an on-board battery pack what do you get? Amazingly…the same fast lap times while using 35 percent less fuel—and the elimination of turbo lag! We live...

First off-the-shelf asymmetrical pistons for LS high-performance engines:

by App Studios | Apr 1, 2014 | Pistons/Piston Pins, Press Releases, Tech How-To | 0 comments

By: Sam Logan Particularly effective on forced induction and longer stroke models JE, our largest indigenous racing piston maker, brought a fresh new presence to asymmetrical forged pistons when they began investigating their potential in race engines, particularly...

Six helpful tips on four-barrel carburetor tuning

by App Studios | Mar 30, 2014 | Carburetors, Tech How-To | 2 comments

1.) How do I select the right size of carburetor?  Carburetor performance is largely based on the air-speed traveling though its venturis. If they are too big the air speed will be reduced, too small and vice-versa. Probably the best instruction on carburetor choice...

Competition Connecting Rods – Only the Strong Survive.

by App Studios | Mar 24, 2014 | Connecting Rods, Tech How-To | 1 comment

By Sam Logan: Nothing undermines the legitimacy of a connecting rod maker more than a deficient batch of rods. He agonizes constantly about heat treatments, high revs, heavy pistons, heavy pins, the number of race laps between rebuilds, but probably most of all...

Competition cylinder heads: How would you know if air-fuel movement is good or bad?

by App Studios | Mar 14, 2014 | Induction, Racing Matters, Read More Tech, Tech How-To | 0 comments

By Ben Mozart: The race engine requires a precise mixture of air and fuel, approximately 13.0:1 by weight ratio.   But the power it makes depends upon how well the mixture is emulsified and atomized. How well it is delivered through the intake manifold runners and...

Restoring vintage engine blocks in five steps

by App Studios | Jan 24, 2014 | Engine Builds, News | 0 comments

By Freddie Heaney: Rare casting repairs: Five-step process in restoring vintage blocks to race-ready condition Each winter frozen coolant causes severe damage to hundreds of racing engine blocks in the northern hemisphere. Though troubling, its effects are usually...