What size motor is gm 3970010?

Details about GM 3970010 Small Block Chevy 350 Bare Block 4 Bolt 4.030 Bore I-20-6 Date.

Did Chevy make a 397?

NASCAR has used a 358ci V8 since 1974. The Chevrolet SB2, which replaced the original small-block Chevy, retired from Cup racing in 2007, but still remains active in multiple NASCAR divisions.

R07 Stroker Engine.
Displacement 397 cubic inches
Fuel 112 octane
Mar 17, 2021

How do you decode GM engine numbers?

How to Decode the GM Engine Block
  1. Locate the engine block code. …
  2. Wipe any grease or dirt off the code to make sure you read each digit correctly. …
  3. Look at the first digit, which will be a capital letter. …
  4. Read the next four digits in the code, which will be all numbers.

How much HP can a 350 handle?

a typical 350 Chevy can make upwards of 350 – 375 HP before you exceed the reliability of the components. For a big block with the same stock components it can make in the area of about 400 to 475 or so HP and handle upwards of about 500 HP before you exceed the reliability of the stock cast pistons.

What engine is used in NASCAR?

V8 engines
The cars are currently powered by EFI V8 engines, since 2012, after 62 years using carburetion as engine fuel feed with compacted graphite iron blocks and pushrod valvetrains actuating two-valves per cylinder, and are limited to a 358 cubic inch (5.9-liter) displacement.

What is a R07 engine?

The new Chevrolet R07 is its first ever purpose-built engine, designed and developed by GM Racing specifically for NASCAR Nextel Cup competition. The new R07 is to succeed the championship-winning SB2 (small block/2nd generation) engine that has been used by GM teams in NASCAR Cup racing since 1998.

How do you get 400 horsepower out of a 350?

How can I make my 350 small block faster?

No matter what application your Chevy 350 motor is in, a few simple steps can get you more better performance and higher horsepower.
  1. Modify your air intake. …
  2. Modify your exhaust. …
  3. Change your camshafts and valve train. …
  4. Purchase new cylinder heads, or have yours ported and polished. …
  5. Have your motor rebuilt and blueprinted.

How much horsepower does a 383 stroker have?

The 383 stroker engines have been reported to achieve 330 horsepower with 410 foot-pounds of Torque, 395 horsepower with 410 foot-pounds of Torque and 395 horsepower with 410 foot-pounds of Torque.

How much HP does a stock 350 small block have?

The Chevy 350 engine is a 350 cubic inch (5.7-liter) small block V8 with a 4.00 and 3.48 inch bore and stroke. Depending on the year, make and model of a car, horsepower ranges from approximately 145 to more than 370.

How much HP can a 400 small block handle?

With our low-compression, power-adder friendly 400-inch small-block easily exceeding 525 hp, it was time for some boost. And that’s where things start to get very interesting.

How much horsepower can you get out of a TBI 350?

It’s possible to make around 275 hp with a stock TBI unit, so rather than go nuts on a heavily modified TBI, I’d suggest you start by making sure the existing TBI unit and injectors are in good shape.

What is the biggest cam you can put in a stock 350 Chevy?

COMP Cams CL12-242-2 Xtreme Energy 224/230: Best for street riding. The final product on the list of best biggest for stock 350 is COMP Cams CL 12-242-2 Xtreme Energy. Cam Xtreme Energy is the best cam for street-riding engines with an operating range of 1600 – 5800 RPM and a lobe separation angle of 110 degrees.

What liter is a 350 small block?

5.7 L
The 350 cu in (5.7 L), with a 3.48 in (88.39 mm) stroke, first appeared as a high-performance L-48 option for the 1967 Camaro. The exact displacement is 349.85 cu in (5,733 cc). One year later it was made available in the Chevrolet Nova, and finally in 1969 the rest of the Chevrolet line could be ordered with a 350.

How do I identify a 350 Chevy?

How can you tell if a cam is a comp cam?

COMP Cams uses two-number designations for all its engine families. The LS engine is designated 54 and this number is generally the first two numbers that define the actual cam part number. Other examples include small block Chevys -12, big block Chevys -11, and 5.0L small block Fords -35.

What is a good mild cam for 350?

Reviews On 6 Top-Rated Performance Cam For 350 Chevy
  • Comp Cams 12-602-4 Hydraulic Flat Cam.
  • Comp Cams Xtreme Energy 242/248 Hydraulic Roller Cam.
  • SB Chevy Hi-Perf RV Cam And Lifter Kit.
  • Lunati Bare Bones Hydraulic Flat Cam.
  • Lunati Voodoo Hydraulic Flat Cam.
  • Melling Hydraulic Flat Camshaft.

What is an aggressive cam?

What is an Aggressive Cam? “The ideal cam profile would raise the valves to full lift instantly, hold them open for a specified duration and then close them instantly.

What is considered a mild cam?

An RV or towing camshaft, which is considered a mild performance or an economy cam, will often have a narrower LSA, between 112 and 114 degrees. Hot street camshafts usually have 110- to 112-degree LSA, while high performance and racing camshafts will often run between 105 and 108 degrees.

How do you ID a camshaft?

Locate the ID number on the camshaft. It is typically located in the center of the cam between the lobes. The ID number will consist of either eight or nine digits; the last four numbers identify the cam and its specific application.

How do I know what size my cam is?

What makes a cam sound choppy?

LSA (lobe separation angle) determines the choppiness, it has to do with the overlap of when both valves are open, as in when the exhaust valve is closing and the intake valve is opening to pull fresh fuel in on the intake stroke after pushing out the burnt fuel. Most GM cams come on a 112, 114 or 116 LSA.

What does a Stage 3 cam do?

The Stage 3 cam is designed to work with some larger valves, port work, and upgraded carburetor or EFI system. This cam starts moving the power band a little higher in the RPM range (2500-6000). This is the biggest cam we recommend for a street application. It is used commonly in the race and hot street applications.

What is a good camshaft duration?

A 280-degree-duration cam holds the valves open longer than a 260-degree-duration cam. Holding the valves open longer allows more air and fuel into the engine and also allows more to get out through the exhaust. Longer duration (higher number) improves top-end power but almost always sacrifices low-end torque.