When a crew chief on a race team in Ankeny calls us about swapping out an aging ALM lift before the season starts, the conversation almost always comes down to one practical question: symmetric or asymmetric arms for engine oil pan and gasket work under time pressure. We’re Auto Lift Services, and we install and service lifts for shops across Iowa that live and die by turnaround time on race weekends. This decision tree walks through budget, bay space, and how your team actually works under a car, so you land on the right configuration instead of guessing and living with it for the next decade.
Compare symmetric and asymmetric two-post lifts built for fast, repeatable oil pan, gasket, and undercar work in a race shop bay.
Start With Budget, Not Arm Style
Every decision tree for an ALM lift replacement should start with what you’re actually willing to spend, because arm configuration is only half the equation. A straightforward symmetric two-post unit is usually the lower-cost entry point, and for a lot of race shops that mainly do oil pan drops, gasket changes, and quick fluid work, that’s genuinely enough lift. Asymmetric arm designs generally carry a premium because the offset column placement and swing-arm geometry require more engineering to hit the same lift capacity and stability rating.
Once you know your ceiling, the second budget question is installation and bay prep. A crew chief running a tight garage in Ankeny with limited ceiling height or narrow bay spacing may find that the cost difference between symmetric and asymmetric options gets eaten up fast by concrete work or overhead clearance modifications. We always run a quick bay measurement before quoting an ALM lift replacement, because the wrong arm style in a tight bay creates door-swing and walk-around problems that cost you time on every single car for years afterward — exactly the kind of friction a race team can’t afford on a Friday before qualifying.
Symmetric Arms: Best for Straight-On Oil Pan Access
Symmetric two-post configurations position the arms evenly on both sides of the vehicle, which centers the car directly between the columns. For oil pan and gasket work specifically, that centered position gives your crew a clean, repeatable line of sight and tool access straight up the middle of the vehicle — no need to duck around an offset column to reach a pan bolt or oil filter housing. Teams that run the same car models race after race tend to like symmetric setups because the pickup points become second nature and every technician on the crew learns the same routine.
The tradeoff is door access. Symmetric arms typically don’t clear door swing as well as asymmetric designs, so if your crew needs to get in and out of the cabin repeatedly during a pit-style service simulation or between runs, you’ll be working around the arms more often. For a pure oil pan and gasket bay where the car goes up, gets serviced, and comes back down without much cabin access needed, this tradeoff rarely matters, which is exactly why we recommend symmetric arms to most Ankeny-based crews focused on quick fluid and gasket turnaround rather than full-service work.
Asymmetric Arms: Best When Cabin Access Matters Too
Asymmetric two-post lifts angle the front arms away from the vehicle doors and shift weight distribution to roughly 70/30 rear-to-front, which frees up the door swing and driver footwell area. If your race team’s shop doubles as a general prep bay — where technicians need to get in and out of the car for wiring, seat work, or dash access between the oil pan and gasket jobs — that clearance difference adds up fast over a season. It’s a small thing on any single lift cycle but a real time-saver across dozens of cars.
The offset column placement on an asymmetric ALM lift also changes how weight transfers through the arms during a lift cycle, which is why reputable manufacturers spec asymmetric units with slightly different load ratings and cycle testing than symmetric versions of similar capacity. When we install an asymmetric unit for a customer, we spend extra time during commissioning confirming arm restriction plates are set correctly for the vehicle types that shop actually runs, because a poorly configured asymmetric lift can create pickup point issues that a symmetric lift simply doesn’t have to worry about.
Bay Space and Ceiling Height Realities in Ankeny Shops
A lot of the race shops and prep garages we work with around Ankeny are in buildings that weren’t originally designed around a two-post lift, which means ceiling height and column spacing constraints often decide the arm question before personal preference even enters the conversation. Asymmetric designs generally need a bit more front clearance to fully realize their door-swing advantage, so in a genuinely tight bay, that benefit can get squeezed out anyway, making a symmetric ALM lift the more practical pick regardless of what you’d prefer on paper.
We always recommend a physical site visit or at minimum a detailed measurement exchange before finalizing an order, because bay drawings and as-built reality don’t always match, especially in older buildings that have been repurposed for race prep over the years. Getting the anchor bolt pattern, overhead clearance, and floor flatness confirmed up front saves everyone a painful reinstall conversation later, and it’s a five-minute check that costs nothing compared to a lift that doesn’t fit the way the crew chief imagined it would.
Duty Cycle: What Race-Team Use Does to a Lift Over a Season
Race prep work puts a different kind of wear on a lift than a typical repair shop, because the cycle count during a race weekend can spike dramatically compared to a steady five-day workweek. An ALM lift running multiple oil pan and gasket jobs back-to-back on a Friday and Saturday needs hydraulic components and cable systems rated for that kind of concentrated duty cycle, not just an average daily use figure pulled from a spec sheet. We ask every race team we quote about their actual event-weekend volume, not just their weekly average, because that number drives the real capacity and duty-cycle conversation.
Cables and hydraulic cylinders are usually the first components to show wear under heavy concentrated use, so we recommend race teams budget for more frequent inspection intervals than a standard commercial shop schedule, especially heading into a busy race season. A quick pre-season inspection of cable fraying, cylinder seal condition, and arm pin wear catches small problems before they turn into a lift going down mid-event — which, for a race team, is a far bigger cost than the inspection itself ever was.
Making the Final Call on Your ALM Lift Replacement
By the time you’ve worked through budget, bay space, cabin access needs, and duty cycle, most crew chiefs already know which way they’re leaning before we even quote the job — the decision tree does most of the work. If your team is purely focused on fast, repeatable oil pan and gasket turnaround in a dedicated bay with no cabin access needs, a symmetric configuration is usually the smarter spend. If your shop pulls double duty as a general prep garage, the asymmetric door-swing advantage is worth the added cost.
Whichever direction you land on, we’d rather walk through the measurements and duty-cycle numbers with you before the order goes in than help you troubleshoot a mismatched ALM lift installation after the fact. Our crews install and service lifts across Iowa race shops and daily-driver garages alike, and we’re glad to run the numbers on symmetric versus asymmetric for your specific bay before the season starts, not after the first busted qualifying weekend.

Our Clients Include: