Are Olds 403 a good motor?

Overall, the Olds 403 is a good motor. It’s reliable when maintained, and has a surprising amount of torque for a stock smog small block.

How many liters is a 403 engine?

Displacement Conversion Chart For Popular Engine Sizes

Liters	Cubic Inches	Inches
1.7	105	381
1.8	110	390
1.9	118	400
2	121	403

What was oldsmobiles fastest car?

The 442 was Oldsmobile’s fastest offering, darting from 0-60 mph in just 5.8 seconds. This muscle car can give as much as 390 hp, making it one of the leading in the industry during its time.

Is the 403 a good engine?

The 403 is a mediocre all out performance engine. The main bearing webs are the weak link and the engines can usually accept only a .040 overbore. They are thin.

Is there a high-winding motor for a 403?

The basic geometry of the 403 is very similar to the Ford or Chevy 302’s, which are capable of being high-winding motors, so whatever you do to them should work on the 403. The big problem would be finding a solid-main block, without which this buildup would simply be a kamikazee run (i.e. you’d see 8000rpm with this motor… once).

When did the Ford 403 come out?

The 403 was introduced in 1977 for larger cars to actually move themselves during an era of strict emission laws and fuel consumption standards. The 403 should have won the hearts of many since most of the 1977 Trans Ams from Smokey and the Bandit employed them.

What kind of car is a Buick 403?

The 403 was made from 1977 to 1979 and used across the Buick, Olds, Pontiac and Cadillac vehicle lines. It was also used in other applications like motor homes, boats and some industrial applications. It was sort of meant