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View Full Version : I want to increase the horsepower on my 1994 GMC Sonoma.?


Dookie
10-08-2009, 08:34 AM
What do I need to add more horsepower to my sonoma and make it go faster? It is a 4.3L Vortec V6. It is the SLE model. Thank you.
There are 65,000 miles onto it

Samboski
10-08-2009, 08:34 AM
It should be really easy to replace the 4.3 with a 5.7 or even larger small block V8. Why not do that?

labattconsumer
10-08-2009, 08:34 AM
How many miles is on this 94 4.3L?

It's probably not worth dumping the money into. You can start with the simple things. Pulleys, wires, plugs, ignition system, air filter and exhaust. Run 2" exhaust (duals) cuz you don't want to lose any torque by going to big.

If you want to dump the money into the thing, go for shaving the heads, replacing the cams and look into a supercharger (I like these since you get power from the get-go).