If you have a 400 ci, the horse power was down to 250 with a 4 barrel carb.
Depends on the engine that is turning 1,000 rpm's. A larger engine develops way more horsepower than a small engine at 1,000 rpm's.
In diesel engines, yes. In gasoline engines, not much.
3 to 8 maybey 10 but not likely
This isn't a very well phrased question as you could mean how much horsepower does adding a turbocharger produce, or you could mean how much horsepower do you get from replacing a factory wastegate on a turbocharger with an aftermarket one. However, neither of those questions can be answered concisely without specifics of the application.
depends on rpm, intake and exhaust, manufacturer,type of fuel etc..
From the factory it was rated at 400 horsepower.
1970 Pontiac catalina coupe and sedan had a standard 350 255 horsepower the 400 was optional rated at 265 horsepower
170 horsepower with 225 foot pounds of torque
305 horsepower.
200
275 with the V8
The 2006 Pontiac GTO has 400 horsepower available. You can increase this by doing modifications to the vehicle to make it even faster and more powerful.
140 BHP
about 175hp @4800rpm
There were several different options for engines in the '73 Le Mans...
The 1986 Pontiac Parisienne Brougham has a 4.3L V6 engine that is able to produce up to 130 horsepower. Its seating capacity is six.
185 horsepower , according to my Consumer Guide book