This car can make a great profit when you buy it at one star and rebuild it. The Delray Custom is also a fairly easy car to rebuild. The fact that it has overhead valves does add 32 little parts to the engine, which take time to remove and replace. On the up side, even if the cost of the repairs runs quite high, you can still see an excellent profit margin.
Purchase Price: $9,675
Repair Cost: $12,476 (+/-)
Sale Price: $62,041
Profit: $39,890 (+/-)
As you can see, the Delray Custom is an excellent vehicle to rebuild in Car Mechanic Simulator 2015.
Rebuilding vehicles for profit in Car Mechanic Simulator 2015 is by far the most profitable activity in the game, assuming that you're picking the right vehicles. Of course a solid supply of spare parts helps too. Here are a few links to additional information that can help you get started in the Car Rebuilding side of the game. This will help you improve your overall game experience:
Rebuilding Guide with Cost vs Profit for all Vehicles in Car Mechanic Simulator 2015
The Auctions Center - The place you buy vehicles
Complete Series of Vehicle Rebuilds for Car Mechanic Simulator 2015
Tunerz Paradize - The place to get special parts to trick out your rides