Intake/exhaust/programmer can give you-10hp-20hp. Anymore you need a cam /intake and or supercharger/turbo/nitrous.
Advertised Horsepower is 230 HP @ 3800 RPMs. With a 4-barrel carb.
There are 2 454 engines for that year. One is a HD / Heavy duty engine and Avertised Horsepower was: 240HP @ 3800 RPMS. The other one is not a HD engine and it had 245 HP @ 3800 That is right out of the book.
ADVERTISED HORSEPOWER IS: 245 HP @ 3800 RPMs.
203 The 3800 Series II engine is rated at 205 H.P. The 3800 Series II Supercharged engine is rated at 240 H.P.
Advertised Horsepower 1977 350 4-barrel is---165 HP @ 3800 RPMs. ......................................1986 350 4- barrel is---165 HP @ 3800 RPMs The other one for California is 155 @ 4000 RPMs.
Advertised horsepower is-- 165 HP @ 3800 RPMs. 4-barrel carb.
230 HP@3800 RPM
You have got to be fukking kidding... v6 3800 or the v8 Ls1
On the back side of the engine
advertised horsepower is...........165HP @ 3800 RPMs.
I have a 1999 with the 3800 engine. The owner's manual says the horsepower is 205 without the supercharger and 240 with the supercharger.
its between the fire wall and the engine. down about 12 inches