Subjects>Auto>American Cars

What was the compression ratio of a 71 nova with a 307?

Anonymous

∙ 13y ago

Updated: 12/13/2022

The early 71s had 9 to 1 with a 74 cc head and a 1.72 inch valve. they changed the pistons to 8.5. So if your rebuilding an early 307 and its got flat tops in it, its got 9 to 1. If you got dishes or little bowls in the pistons its got 8.5 to 1.

Wiki User

∙ 13y ago

What else can I help you with?

What is mean compression ratio of 71?

It means that before the compression, the volume is 71 times larger than after the compression.

If an engine has a compression ratio of 71?

Depends on the make of engine, but that sounds about normal .

What pistons do you need to use with a 6-71?

There are many possibilities, but the compression ratio would need to be under 9:1

Can you convert manual steering to power steering on a 1970 nova?

Yes get donor parts from 70 71 72 Monte Carlo will fit,,,,,brackets hoses gear box,,,changed mine to a 73 Nova works perfect ,,have a 307 small block

Did the 71 Chevy custom 100 with a 307 have points or HEI?

PointsPoints

Did chevy produce a ss nova in 71?

Yes they did.

What is the average temperature in Halifax Nova Scotia in September?

What is .071 as a ratio?

71/1000

How do you remove the dash out of a 71 nova?

first lower or remove the stering wheel.

What is 639 in the ratio 5 to 4?

It is (5*71) = 355 and (4*71) = 284

The width of a rectangle is 61 cm and its length is 71 cm Write the ratio of its width to its length as a fraction?

61:71 1:71/61

What other differential can you use on Chevy Nova 74?

71, up until they downsized it in the 80's.