LS swaps are popular for many reasons, but there are a lot of variations and details to sort through – more of them than you may expect – and many of them are associated with the intake manifold.
When it comes to trying out new methods and theories to improve upon performance, often times, we’re learning using the old-fashioned way through trial and error. After any type of modification, the butt dyno is only good to a certain point. You could usually feel a difference any time you made a change in tuning, such as a different accelerator pump cam or distributor advance weights, but you really didn’t know for sure – without a dyno or track time – what type of difference you made.
Whether you’re scouring junkyards, ordering cores, investigating factory options, looking at aftermarket cast iron or aluminum blocks, or spending big bucks on billet LS blocks, you’ve probably noticed it’s been harder to find exactly what you want for the foundation of your LS build than it historically has.
Closed-loop control can be programmed to either add or subtract up to a certain percentage of fuel in order for the engine to reach the target air/fuel ratio.
Despite not being a fancy, state-of-the-art set up, Mike and his team at H&H have a great thing going. The equipment does exactly what it needs to, his team is experienced and the shop has built thousands of vintage engines for customers everywhere!
This shop’s dedication to quality engine work, its growth, its machining capabilities and its impact in the diesel industry, all make Choate Engineering Performance well deserving of Engine Builder’s and Autolite’s 2022 America’s Best Diesel Engine Shop award.
The 4 Piston Racing facility in Danville, IN houses two buildings – one is 12,000 sq.-ft. and the other is 2,500 sq.-ft. The shop is very heavily focused on Honda cylinder heads and engine work to the tune of 300+ engines and 1,000 cylinder heads annually!
We recently spoke to Randy about his PERA presidency and what some of the biggest hurdles are facing the engine remanufacturing industry right now.
Mattie Graves competes in the Outlaw Diesel Super Series (ODSS) dragster class, and is the only female doing so in a class that already has very few competitors in general. Find out more about this up and coming diesel drag racing star.