Are 193 heads any good?
No. 193 is typical of most TBI ’87’95 iron heads, with half the intake valve-bowl approach blocked off—not good for serious performance. With any decent cam, most castings in this series of heads will give up at 3,500-4,000 rpm. Knight says the main exceptions are the ’87-’91 Camaro/Firebird 350-TPI head (casting No.
Are 194 heads good?
depends on your hp goals, the 194 will be good stock till about 3-350hp. the 202 heads will be slightly better but if you just look at the valve size change by itself it’s worth like 5hp maybe.
Are SBC 441 heads good?
The 441 has a reputation as a good-flowing head among the production 76cc chamber heads. In this particular case, it lost out to the 882 head, but overall it’s a decent head that responds well to pocket port work and larger 2.02/1.94 valves. Its small 155cc port volume creates great torque and excellent driveability.
Will 350 heads fit on a 307?
as long as they are not vortec heads, they should bolt up. vortec heads have a different angle on the intake side, so therefore your old intake manifold wouldn’t fit quite right.
Can I put Vortec heads on a 350 TBI?
The heads will bolt to the block fine but you will need a specific intake manifold. Either the gm TBI/vortec intake or a vortec intake for carbs and use an adapter for the tbi. If you use the carb intake you will loose the EGR. You can keep it with the gm intake.
Will TBI heads fit older block?
Will TBI heads fit older block? They will ALL bolt to any SBC block. The sticker is the later model heads have TWO manifold bolts that (the TWO INNERMOST ones) that are NOT drilled at the same angle as the older heads. The heads ARE the same physically other than this nuance.
What are 202 Chevy heads?
“202” refers to the intake valve diameter of 2.02″. Fords and Chevys usually don’t have an intake problem… they usually have an exhaust problem.
Are 461 Chevy heads good?
The 461 heads were THE heads to have in the days prior to the aftermarket heads. They are good if you want to run a class where stock heads are required. With the advancements in casting and air flow research these heads have been eclipsed in today’s world. This aside, they are decent heads and still do a good job.
Are 041 heads good?
Registered. These heads have a triangle casting mark (not the double hump). They are not the best flowing (not bad though), but can be pocket ported at home very easily. These heads are a replacement for the 186 castings.
Is a 307 a good motor?
As everyone has said, 307`s are a really great engine, but just never got the “rock star” status of the 327. I had a 307 in my very first vehicle – a 64 Chevy pickup with a 3 on the tree and 3.73 gears.
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-rated to 115 horsepower.
What is the difference between TBI and Vortec?
The differences between them are that the TBI had the injectors right in front of the throttle plate, where the Vortec placed the injectors behind the throttle plate; and the TBI was a speed density system, whereas the Vortec used a mass airflow system to manage the fuel-injection system.
