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How do I increase my Horsepower for 2005 Cadillac Deville DHS?

December 27th, 2010 · No Comments

I have a 2005 Cadillac Deville DHS V8 North star Engine 275 Horsepower
I want to increase my overall horsepower for my car. I know there are many different methods I’m just curious as to which method is best for doing this. I have heard Performance chips can work but are often fakes or scams of some sort. I know I could supercharge or turbo it but I do not want to spend thousands of dollars. Ideas?

- A place to start is to shed weight. I know you’re looking for power, but if you get rid of 100kg you’ll go a lot faster. Secondly, get a small supercharger (the cheapest I can remember is about $400.
Or an alternative: sell that car, buy an older car and you’ll have the money you can use + the leftover money from the car you sold.
- What can you do in low budget : porting and polish intake manifold, balance flywheel, balance crankshaft, balance camshaft, balance connecting rod, balance piston, bigger valve size, higher cam dial, resurface cylinder head, cut the weight of flywheel, better spark of spark plug. Bigger diameter and lower resistance of spark plug wire, higher voltage of ignition coil, using electric fan and cut off the belt fan, grounding all parts, piggyback ECU, better fuel grade, better engine oil, free flow air filter and air line, free flow exhaust, balance propeller, better oil flow oil filter, fuel regulator. At least you have 30 percent extra power.
- Hypertech Power Programmer(. com) and K&N cold air intake,Granetelli Mass Air Flow Sensor are my choice ,pick none or one, or all, suit yourself or your pocketbook. i have all 3 on a 5.3 GMC,took the hp to about 345-350 (without dyno testing) and i love it.

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