Question: Can I Put Vortec Heads On A 305?

How much boost can a stock 305 handle?

You could run 5-6 psi boost for a long time with no problems…as long as your tune was safe.

At this level, you wouldn’t even need an intercooler.

300-325 hp would be easy and safe.

Later on, the T70 would work great with your future 350 engine as well..

How much does it cost to rebuild a 305 engine?

With the quotes so far for rebuilds of the 305, range anywhere from $1100 to $4000, from basic rebuild to upgrading pistons, rods, cam and so on..

Can you make a 305 fast?

EG: the Monte Carlo SS 305 motor came with a special 3000 stall lockup converter and 3.73’s. To start with pull off one valve cover and get the cylinder head csting number off your heads. Yes you can make your 305 fast.

What can a 305 be bored out to?

A 305 Chevy has a stock bore of 3.736 so even at . 060 over you only at 3.796 so NO.

How can I get more horsepower out of my 305?

Bolt-on UpgradesReplace the exhaust manifold. The stock exhaust manifold of the 305 engine restricts air flow from the engine increasing back pressure. … Replace the intake manifold and carburetor. … Add cold air induction. … Replace the computer chip.

Are all Chevy 305 blocks the same?

Re: Are the 305 and 350 blocks the same? They ARE the same block, the bore is different and the pistons are different.

Can you put 350 heads on a 305?

Virtually any 350 heads will work on a 305. The high compression 350 heads are similiar in combustion chamber size & intake valve size to the 305 heads & will give a 305 the same performance as if using 305 heads.

Is a Chevy 305 a good motor?

Despite sharing the same designation as the ever-popular 5.0L from the Ford camp, the 305 Chevy is viewed as a second-class citizen in the Chevy hobby. … In reality, 305 Chevys (including our carbureted LG4 version) make great street engines and can be the basis for impressive performance machines.

How much horsepower does a Chevy 305 engine have?

The Chevrolet 305 engines were produced from 1976 until 1992. The 305 Chevy is a small block engine with a small bore of 3.736 inches and a stroke of 3.48 inches. In the early 1980s the 305 engines’ fuel delivery was a cross-fire FI. The engine had 165 hp at 4,200 rpm.

Can you stroke a Chevy 305?

The 305 uses a tiny 3.736-inch bore and the same 3.48-inch stroke as the 350ci motor. While it’s relatively easy to drop a 3.75-inch stroke crank in a 305 block to create a 0.030-over stroker that displaces 334 inches, it’s just not a great performance decision for several reasons.

What’s the difference between a 350 and a 350 Vortec?

Vortec heads instantly added 55 or more horsepower to a regular 350 head with the same displacement. Automotive enthusiasts are quick to note that the 350 and the 5.7 Vortec are essentially the same engine with the same displacement. The 350 designation is the cubic inch measurement that also translates to 5.7 liters.

Are 305 and 350 parts interchangeable?

Every part on a 350 and 305 are interchangeable except the pistons, yes that includes the rods an crankshaft, although heads with 2.02 valves will have shrouding issues.

How do you tell if you have Vortec heads?

The easiest way to identify a Vortec head is by the sawtooth pattern cast into the front. Look for casting number 12558062, but avoid casting number 10239906, which has a modified exhaust seat and loses 20 percent of its flow at 0.120-inch lift.

How many quarts of oil does a 305 take?

5 qtsThis engine requires 5 qts. of synthetic 0W-20 or 5W-20 motor oil. The cooling system requires 13.8 qts.

What are the best 305 heads?

Imho, the best 305 head is the -601! They have 1.84″/1.50″ valves; hardened seats; a compression chamber that will run from 53 to 58 cc’s SO you HAVE to cc them!! 160 and + cc intake ports and best of all, chambers that are like the old -461 “fuelie” head that are double-quenched!!

Are 305 and 350 Vortec heads the same?

Different, basically the L31, 350 Vortec head is a new design with different ports and chambers. The LO3, 305 is the same old 305 head with a new name.

How much horsepower can you get out of a 305?

Produced from 1976 to 1998, the much-maligned 305 was never intended to be a performance engine like some other small-blocks. Regardless, it was pushed into that role with the third-generation Camaro, where its output would top out at 210 horsepower with a Tuned Port Injection system.