When it was introduced in 1968 the 307 was rated at 200 horsepower at 4,600 rpm and 300 foot pounds of torque at 2,400. However, the federal government's emissions regulations of 1972 saw the 307 de-rated to 115 horsepower. Click to see full answer. Herein, is a 307 a good motor?
How much horsepower does a Ford 307 have?
How much HP does a 307 have? Power. When it was introduced in 1968 the 307 was rated at 200 horsepower at 4,600 rpm and 300 foot pounds of torque at 2,400. However, the federal government's emissions regulations of 1972 saw the 307 de …
What are some interesting facts about the Chevy 307 V8?
After 1973 the 307 was chopped from the GM line engine lineup. One interesting fact regarding the Chevy 307 V8 was that it was also manufactured by GM for boat use and sold by the Outboard Marine Corporation as a high performance marine engine. The marine version of this engine produced between 235 and 245 horsepower and even used the same aluminum valve covers …
What kind of carburetor does a Chevy 307 have?
Power and Output. The horsepower and torque of the Chevy 307 engine varied slightly from 1968 to 1973. The 1968 to 1971 engines have a maximum brake horsepower of 200 at 5,800 revolutions per minute and a torque of 300 foot-pounds at 4,200 rpm.
What are the differences between a 1972&1973 Chevy 307 engine?
Power When it was introduced in 1968 the 307 was rated at 200 horsepower at 4,600 rpm and 300 foot pounds of torque at 2,400. However, the federal government's emissions regulations of 1972 saw the 307 de-rated to 115 horsepower.
How much HP can you get from a 307?
Combine these parts with a good 600 to 750 cfm Holley carburetor, an HEI distributor, and a set of long-tube headers and your 307 should make around 325 to 350 horsepower, perhaps even a bit more.Sep 4, 2020
Is a 307 a good motor?
For a stock-bore 307 with a mild 262/270 cam, aluminum 170cc heads, electronic ignition, and a strong 600-cfm carburetor, that's nothing to be ashamed of. For a lighter vehicle, this is a perfect engine to stick under the hood.Feb 12, 2007
How much power can you get out of a 307 Chevy engine?
Power. In 1968, the 307 was rated at 200 horsepower at $4,600 rpm while 300 foot lb of torque could be achieved at 2,400 lbs. of displacement. Despite this, the federal government reduced the horsepower rating to 115 in 1972 based on regulations regarding emissions.Feb 16, 2022
What's the difference between a 305 and a 307 Chevy?
307 uses a 3.25(same as 327). the 305 uses a 3.736" bore where as a 307 uses a 3.875 bore. a 305 is basically a destroked 350 and a 307 is basically a stroked 283. all the bolt on parts such as heads,intake, oil pan,water pump,cam,timing chain, etc, etc will interchange as it will with basically any other small block.Jul 2, 2010
Will 350 heads fit a 307?
It should work fine, but do not add bigger valves to the heads. With 1, I have run heads. The vortecs should be able to handle 94 intake valves on a 283, and the same bore should be found on a 307.Dec 3, 2021
Is a 307 a V8?
The Chevy 307 V-8 engine was introduced in 1968 to replace the Chevy 283 V-8. This engine was designed to function well in low-performance vehicles such as sedans and other family-friendly cars. This engine only lasted five years, with the last model being produced in 1973.
Can you stroke a 307 Chevy?
I phoned up Speedomotive and asked them if I could stroke the motor. The tech and I concluded that if I used the short rods from the 400 and stock 307 pistons that I would need 3.562" stroke. This is very doable. at 030 over you would have 341ci motor.Apr 17, 2006
How much can you bore a 307 Chevy?
60 over is as far as you can bore the 307 block.Oct 8, 2004
What is a Chevy 302?
The 302 cubic-inch engine was developed as the powerplant for the first-generation Z/28 Camaro (model years 1967 through 1969). It utilized the block from a 327 cubic-inch engine, and a crankshaft from a 283 cubic-inch engine, resulting in a 302.4 cubic-inch displacement.Oct 14, 2015
What is a 307 engine?
Chevrolet 307 V8 Engine The Chevy 307 V8 engine came along in 1968 to replace the Chevy 283 V8. The engine was used in lower performance oriented family type cars and was equipped with a 2 barrel carburetor. After 1973 the 307 was chopped from the GM line engine lineup.
How do you build a 307 Chevy?
2:131:05:48307 Chevy Build - YouTubeYouTubeStart of suggested clipEnd of suggested clipAvailable are cast flat top pistons that's pretty much it unless you order a custom set. Now iMoreAvailable are cast flat top pistons that's pretty much it unless you order a custom set. Now i wanted to run forged pistons. So i can make some real power with it.
Can a Chevy 305 be built up?
I completely agree that a 305 can be built to make 450 hp. That's not too difficult. The engine is limited to smaller heads with 1.94-inch valves because larger 2.02-inch valves won't clear the cylinder wall.Jan 1, 2011
What year was the Chevy 307?
1968 Chevy 307 Specs. Introduced in 1968, the 307 was a typically muscle-car-era response to squeezing more power out of a small displacement engine.
What size crankshaft did the 1968 307 use?
The 307 used a 283 block with casting numbers 3914635, 3932371, 3932373, 3956632 and 3970020. The block used 3.875-inch cylinder bores, 5.7-inch rods and a 327 crankshaft with 3.25-inch arms (casting numbers 39110011 and 31110001). The 307 crankshaft used the same main and rod journal diameters as the 1968 327 -- 2.45 inches and 2.10 inches, respectively. Compression varied between 8.2:1 for emissions-era motors, to 9:1 for earlier engines and upward of 10:1 for marine engines.
Who is Richard Rowe?
Richard Rowe has been writing professionally since 2007, specializing in automotive topics. He has worked as a tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a race-car driver and builder. Rowe studied engineering, philosophy and American literature at Central Florida Community College.
